Medicinal Shrub Research Articles

Annona squamosa Linn.: A Review of Its Ethnobotany, Pharmacology, Phytochemistry, Toxicity, and Conservation Needs

Nature exhibits a unique beauty that is both recognized and integrated into human practices globally. Annona squamosa Linn., commonly known as “sweet sugar,” is a small medicinal shrub cultivated for its fruits. This species is widely distributed across Asia, Africa, North and South America, and Brazil. Traditionally, it has been used for its antidiabetic, antihypertensive, insecticidal, and antimicrobial properties. This article is based on the literature review collected from various sources such as Scopus, Sci-Hub, PubMed, Google Scholar, Science Direct, and SciFinder. The literature review reveals that A. squamosa possesses numerous promising pharmacological activities due to its rich array of active phytoconstituents. This review provides essential knowledge for future research, guiding investigators in exploring the plant’s pharmacological activities, isolating bioactive fractions, and implementing these findings in the management of various diseases.

Efficient in-vitro regeneration protocol for large-scale propagation of Aloe vera (L.) Burm.f.

Aloe vera a medicinal shrub, is used in pharmaceuticals and cosmetics due to its therapeutic properties, but its male sterility and self-incompatibility make seed-based reproduction challenging. The current investigation provides a detailed account of a refined in-vitro regeneration process, discussing direct and indirect organogenesis techniques. Shoot multiplication, callus formation, organogenesis in callus culture, and rooting were all evaluated in the Murashige and Skoog (MS) medium employing several plant growth regulators (PGRs). BAP (N6-benzyl amino purine) alone at 3.5 mg/l was the most effective treatment for rapid shoot multiplication and the healthiest shoot quality in direct shoot proliferation. It was shown that a combination of 2.0 mg/l Kn (Kinetin) and 1.0 mg/l NAA (1-naphthalene acetic acid) was most responsive for regeneration in callus culture, whereas 2.5 mg/l 2,4-D (2,4-dichloro phenoxy acetic acid) produced the most profuse regenerative callusing. In addition, plantlets treated with 1.5 mg/l IBA (indole-3-butyric acid) in-vitro produced the highest and longest roots, contributing to a 94 % survival rate during the subsequent acclimatization process. Moreover, regeneration efficiency via direct and indirect channels is also briefly discussed. This research has the potential to enhance the efficiency, precise application of appropriate PGRs needed for the mass production of Aloe vera at various stages of in-vitro culture.

Comprehensive Phytochemical Profile of Leaves, Stems and Fruits from Orthopterygium huaucui (A. Gray) Hemsl. and their Antioxidant Activities.

Orthopterygium huaucui, commonly known as "Pate", is a medicinal shrub belonging to the Anacardiaceae family used locally to treat burns and stomach pains. Endemic to Peru, chemical studies on O. huaucui are limited. In this study, Ultra-High Performance Liquid Chromatography Quadrupole/Orbitrap Electrospray Ionization Tandem Mass Spectrometry (UHPLC Q/Orbitrap/ESI/MS/MS) was used to identify secondary metabolites in leaves, stems and fruits, and the antioxidant capacities of the different parts were compared. In addition, several compounds such as methyl gallate, gallic acid, kaempferol, quercetin, and quercetin 3-O-β-glucuronide were successfully isolated from the methanolic extract of the leaves of this species for the first time. Untargeted UHPLC Q/Orbitrap/ESI/MS/MS analysis tentatively identified seventy-six compounds in the different parts of the plant, showing that this species as an interesting source of flavonoids, procyanidins and tannins. The phenolic content in leaves and stems was 334.31±4.34 and 295.18±6.38 gallic acid equivalents/100 g dry plant, respectively, while that of fruits was lower (99.92±5.45 mg/100 g). Leaves had twice the flavonoid content than fruits (210.38±3.85 versus 87.42±3.85 quercetin equivalents/100 g). 2,2-Diphenyl-1-picrylhydrazyl (DPPH) results indicated high antioxidant activity in all parts, with stems and leaves showing IC50 of 12.8 μg/mL, and fruits showing less activity (IC50=38.6 μg/mL). The Oxygen Radical Absorbance Capacity (ORAC) test showed higher antioxidant values in the stems (467.82±21.17 μmol Trolox equivalents/100 g). This study provides valuable information on the chemistry of O. huaucui and highlights its antioxidant potential, especially in leaves and stems.

Qualitative Phytochemical Screening and Antioxidant Properties of the Leaves of Miconia crenata (Vahl) Michelang. (Melastomataceae) from Ayer Hitam Utara Forest Reserve, Johor, Malaysia

Medicinal plants have long been recognised as valuable resources for traditional medicine and modern pharmaceutical research due to their rich reservoirs of bioactive compounds. This study aims to provide baseline data on the phytochemical content and antioxidant activity of a tropical medicinal shrub, Miconia crenata, from Ayer Hitam Utara Forest Reserve (AHUFR), Muar, Johor. Total flavonoid content was determined by using the chloride colorimetric method, while antioxidant activity was validated by the DPPH radical scavenging assay. Phytochemical screening of the methanol extract from the leaves of M. crenata revealed the presence of secondary metabolites, including phenols and flavonoids. The total flavonoid content was measured at 508.84 ± 154.42 mg/mg at a concentration of 0.02 mg/mL, while the extract demonstrated high antioxidant potential, with an IC50 value of 40.54 μg/mL. Further investigation into the phytochemical content of M. crenata may unlock valuable insights into its potential therapeutic uses and contribute to the development of novel pharmaceuticals and natural health products.

A Network Pharmacology-based Approach to Explore Potential Targets and Mechanism of Berberis aristata Focusing on its Implications for Diabetes Mellitus

Berberis aristata, a revered medicinal shrub in traditional systems like Ayurveda, holds promise in managing diabetes mellitus, a burgeoning global health concern. Through a comprehensive analysis of its bioactive compounds and their interactions with potential targets, this study elucidates the molecular mechanisms underlying its anti-diabetic effects. Screening through databases yielded 17 bioactive compounds, including rutin, quercetin, and berberine. Protein-protein interaction analysis identified 44 potential targets, with 36 genes overlapping with disease-related genes, indicating pivotal pathways in diabetes mellitus treatment. Further, pathway analysis highlighted G-protein coupled receptor signaling, calcium signaling, and neurotransmitter receptor activity as significant, with adjusted p-values. Network analysis revealed key hub genes like DRD1 and MMP2, emphasizing their central role in Berberis aristata’s therapeutic action. The findings underscore Berberis aristata’s potential as a source of novel anti-diabetic agents and offer groundwork for potential research in this field.

Phytocenological study of L. chinense Mill. and L. barbarum L. in the Tashkent Botanical Garden

In the context of increasing aridization of lands in Central Asia, caused by global climate change, it is necessary to actively select plants that are resistant to water deficiency. One such species is the Goji medicinal shrub (L. chinense Mill. and L. barbarum L.). Goji exhibits high adaptability to various climatic conditions, especially dry ones. Its ability to grow in low-moisture conditions makes it a valuable resource in regions with limited access to water. This research plays a key role in creating sustainable and efficient approaches to agriculture in the face of a changing climate and a deteriorating environment.

Soil Bacterial Community of Medicinal Plant Rhizosphere in a Mediterranean System

Several attempts have been made to evaluate the abundance and distribution of the bacterial community in the rhizosphere of medicinal plants. Many describe information based on an estimation of the community structure and the effects of plant cover in determining microbial community composition. The ability of plants to specifically shape their microbial community in general and medicinal plants in particular is largely unknown. With the arrival of molecular biology, understanding the microbial community’s composition, diversity, and function became possible. We hypothesized that microbial communities associated with medicinal shrubs would differ from each other. To test this hypothesis, we characterized the soil microbial composition under each of five Mediterranean medicinal plants, differentiated by their medicinal use and ecophysiological adaptation, namely, Salvia fruticosa, Pistacia lentiscus, Myrtus communis, Origanum syriacum, and Teucrium capitatum, and an open-space bare soil between the plants, inhabiting natural ecosystems characterized by similar climatic conditions typical of a Mediterranean environment. The results demonstrated the importance of plant ecophysiological adaptations, which play an important role in determining microbial community composition and functional diversity. The intensity of a plant’s response to its surroundings can have either positive or negative effects that will determine the microbial community composition and interactions among the belowground parts. A total of 11 phyla, 21 orders, and 409 genera were found in the soil rhizosphere in the vicinity of the four plants and open space samples. The distinguishing attributes of each shrub trigger and stimulate the microbial community’s rhizosphere. This results in distinct patterns of bacterial diversity and functionality between the different shrubs and the control. The rhizosphere bacterial community composition differed between the plants in a PERMANOVA test, but there was little difference in terms of phyla and order relative abundances. This study shows how five medicinal plants, coexisting in a common habitat, impact the bacterial community. The noticeable shift in bacterial composition further supports our discovery that root exudates effectively govern the makeup of soil bacterial communities.

Pharmaceutical Properties and Phytochemical Profile of Extract Derived from Purple Leaf Graptophyllum pictum (L.) Griff.

Graptophyllum pictum (L.) Griff is a medicinal shrub belonging to the Acanthaceae family and is traditionally used to treat various diseases. Therefore, this study aimed to evaluate the pharmaceutical properties and phytochemical profiles of the methanolic extract of G. pictum. G. pictum leaves was extracted using methanol. Antioxidant, cytotoxic on Michigan Cancer Foundation-7 (MCF-7) and HepG2, antidiabetic, and antibacterial properties were evaluated in vitro. Chemical profile of the extract was identified through qualitative (for phytochemicals), quantitative (for phenolic and flavonoid content), and gas chromatography-mass spectrometry (GC-MS) analysis. The results showed that the extract had potent antioxidant activity against 2,2-azino-bis (3-ethylbenzothiazoline-6-sulphonic acid) and 2,2-diphenyl-1-picrylhydrazyl radicals with IC50 values of 49.00 ± 3.20 µg/mL and 70.18 ± 3.27 µg/mL, respectively. It also exhibited cytotoxic effects on human breast (MCF-7) and liver (HepG2) carcinoma cells with growth inhibition percentages of 74.29 ± 1.53% and 64.90 ± 1.94%, respectively. The antidiabetic assay showed that the extract had inhibitory effects on α-glucosidase activity with IC50 value 194.59 ± 15.59 µg/mL, indicating its potential to be developed as an antidiabetic agent. Furthermore, it had antibacterial properties against four test strains, and the highest activity was found against Bacillus subtilis American Type Culture Collection 19659, with minimum inhibitory concentration and minimum bactericidal concentration values of 625 µg/mL and 1250 µg/mL, respectively. Phytochemical tests indicated the presence of alkaloids, flavonoid and terpenoids in the extract, with total phenolic content and total flavonoid content of 41.17 ± 2.38 mg gallic acid equivalents/g and 26.52 ± 0.61 mg quercetin equivalent/g, respectively. GC-MS analysis revealed that it contained several active compounds, including eicosane, 2,4-Di-tert-butylphenol, hentriacontane, tetracosane, octacosane, sulfurous acid, 2-methylhexacosane, docosane, heneicosane, 1-propene-1,2,3-tricarboxylic acid, tributyl ester, and pentacosane. The extract derived from G. pictum leaves was a potential source of therapeutic compounds, particularly for antioxidant, antidiabetic, anticancer, and antibacterial agents.

Effect of cadmium and lead on the morphology and protein profile of Calligonum comosum seeds

BackgroundSoils contaminated with heavy metals (HMs) pose a risk to human health via the food chain, as many edible plants absorb these metals. In turn, some of these plants could be used as phytoremediators for such soils. Calligonum comosum is an indigenous medicinal shrub that grows naturally in wide swaths of sandy soil in Saudi Arabia and has many advantages that render it a promising candidate for the treatment of HM-contaminated areas. But the impact of HM on this plant remains unknown, especially in the early stages of its development.ObjectiveThis investigation aimed to study the effects of lead (Pb) and cadmium (Cd) on the germination of C. comosum seeds under laboratory conditions, and assess the seeds’ response to these metals.MethodsThe C. comosum seed germination was monitored in Petri dishes containing Pb and Cd at increasing concentrations (25, 50, 75, and 100 µM) for up to 3 weeks. SDS-PAGE was used to examine the protein profile of germinated seeds and the western blot was used to assess the influence of HMs on the activities of the catalase enzyme and the beta subunit of ATP synthase (AtpB).ResultsThe germination rate and speed of C. comosum seeds were delayed by increasing concentrations of either Pb or Cd, but this effect was dose-dependent. SDS-PAGE analysis results revealed that exposure to both metals led to altered protein profiles as indicated by the resulting band intensities and disappearance of some proteins compared with the untreated controls. Further, the western blot analysis detected greater activity of catalase enzyme as well as AtpB in the Cd- and Pb-treated seeds.ConclusionC. comosum seeds treated with Cd or Pb enhance protein degradation and denaturation beside oxidative stress, leading to reduced seed viability. These results suggest oxidoreduction proteins and those involved in ATP synthesis are enhanced in C. comosum seeds in response to Cd and Pb stressors, which is a probable mechanism by which seeds may tolerate heavy metal stress.

The medicinal plant Berberis aristata and its endophytes for pharmacological applications: Current research and future challenges

Exploring medicinal plants for their natural products to benefit humanity has been a practice since ancient times. Berberis aristata, also known as tree turmeric or Indian barberry, has a dominant spot in conventional medicine for 2500 plus years. In the latter years, this particular species has gained prime attention in pharmaceutical zone due to its scarcity. The plant and its formulations are used to treat numerous human health threats including cancer, diabetes, diarrhea, wound relieving, infections of eyes and ears, gynecological disorders, and HIV-AIDS. The bioactive compounds present in B. aristata are found to contain anti-inflammatory, antioxidant, and anti-microbial properties. The plant is critically jeopardized species of Indian Himalaya due to the collection of its roots at a large scale for obtaining berberine alkaloid and its conservation is of great concern. At present, isolation of endophytic entities from remedial plants revolutionized the path of discovering drugs from medicinal plants. Endophytes can produce the same bioactive as their host plant as well as another bioactive to address a variety of human health issues. The review examines the bioprospecting of B. aristata, a medicinal shrub from the family Berberidaceae, and its associated endophytes for the production of bioactive compounds with application to human health. Finally, the review provides a comprehensive outlook on the current status and future prospects of bioprospecting B. aristata and its endophytes to combat future human health threats is an exciting area of research that should be further explored.

Pharmacological and biotechnological overview of Sauropus androgynus L. Merr.: an underexploited perennial shrub

Sauropus androgynus L. Merr is an unexploited medicinal shrub under the family Phyllanthaceae known as a green multivitamin plant and used as a leafy vegetable. Many phytochemicals from the leaf extracts of S. androgynous act as antioxidant, anti-microbial, wound-healing, anti-inflammatory, anti-diabetic, and anti-obesity agents and can potentially enhance breast milk production. The leaf extracts of this shrub contain ascorbic acid, eugenol, gallic acid, caffeic acid, syringic acid, p-coumaric acid, sinapic acid, ferulic acid, and different types of flavonoids. These phytochemicals have oxidative scavenging, glucosidase inhibitory, and superoxide dismutase activities. The plant has several nutrients to help metabolic activity and increase longevity. Herbal industries depend on natural resources. Identifying plant species is also essential before using them as herbal ingredients. DNA barcoding tags are used to determine the authenticity of plant species and herbal drugs. Seven barcoding markers have been tested for the identification of S. androgynus. Markers rbcl, rpoC1, and trnH-psbA showed the fragment size at 580, 500, and 520 bp, respectively. However, rpoC1I and adh reflect at 380 and 300 bp and the ycf5 show at 450 bp. These markers may be used to authenticate the plant and prepare herbal medicine. This review highlighted the basic biology, phytochemical, pharmacological, and biotechnological overview of S. androgynus for sustainable human health.

Green Synthesis of Copper Nanoparticles Using Leaves and Flowers Extract of Cassia auriculata L. and Study of It’s Antimicrobial Activity.

Abstract: Evolution of biologically inspired experimental processes for the synthesis of nanoparticles is developed into an important branch of nanotechnology. The leaf and flower extract of Cassia auriculata L. ( Caesalpiniacece) in the synthesis of copper nanoparticles was investigated employing UV/Ultra visible spectrophotometer, SEM/scanning electron microscopy and PXRD/Powder X-ray diffraction. Uv shows the sharp band of copper Nanoparticles is around 375nm of Cassia auriculata (fresh and dry leaf and flower) , SEM image has shown the morphological shape of the copper nanoparticles C.auriculata fresh leaf copper nanoparticles average size is 12.43nm, dry leaf is 40nm and fresh flower copper nanoparticles size is 57.87nm, dry flower is 7.14nm, X-ray diffraction patterns of synthesized fresh leaves mean size of copper nanoparticles calculated using the DebyeScherrer’s equation was found to be 12.43nm,mean size of dry leaves is 40nm,mean size of fresh flower is 57.87nm and mean size of dry flower is 7.14nm respectively.The results of antimicrobial activity of the C. auriculata green synthesized CuNPs against the Gram- negative bacterial strains (E. coli and S.typhi) and the Gram-positive bacterial strains (S.aureus and B.subtilis), Fungi (Aspergillus niger, Fusarium oxysporum, Penicillium atramentosum, Aspergillus flavus) under the well diffusion method had a considerable antimicrobial activities increased with higher concentration. The fresh leaves CuNPs shows more effective against S.aureus, dry leaves CuNPs against E. coli, fresh flowers CuNPs against S. aureus and dry flowers CuNPs shows more effective against B. subtilis. In case of fungi both fresh and dry leaves and flowers CuNPs shows more effective against F.oxysporum. C. auriculata is a medicinal shrub or tree which is native to the India, Myanmar and Sri Lanka. This plant reported for its uses in the Ayurvedic and siddha system of medicine for treating various diseases mainly both the diabetes types. The antimicrobial potential of the leaf and flower extract was tested. The anti-bacterial and anti-fungal property were found to be better for the aqueous leaf and flower extract and the extract containing the metal particles.

A comprehensive review on traditional applications, phytochemistry, pharmacology, and toxicology of Thymus serpyllum.

Thymus serpyllum L. from the Lamiaceae family is an underexplored perennial medicinal shrub with traditional usage in treating respiratory and gastrointestinal issues in the upper foothills of India. This review aims to provide a comprehensive assessment of current knowledge concerning the traditional uses, phytochemistry, and pharmacology of T. serpyllum. The primary objective is to collect updated information on this plant and encourage further in vivo and in vitro research to validate local claims. Notably, the essential oil derived from T. serpyllum has gained significant attention as a plant-derived product due to its diverse pharmacological properties, including antioxidative, antimicrobial, anti-inflammatory, and anticancer activities. Ethnomedicinal research revealed a vast scope of T. serpyllum in developing new drugs to address numerous health sector challenges. While T. serpyllum has been used widely, pharmacological studies are not enough. Most studies are either in vivo or in vitro. More studies are required to assess these medicinal claims through well-planned pharmacological experiments. This review will provide the groundwork for future research. While T. serpyllum has been put to considerable conventional use, pharmacological studies are insufficient; most studies are either in vivo or in vitro. More compound isolation, comprehensive pharmacological analysis, and exploration of food applications are vital areas to investigate.

A novel antibacterial and anti-biofilm material: Biosynthetic silver nanoparticles mediated by extract from Oplopanax elatus adventitious roots

The search for plant resources involved in the biosynthesis of silver nanoparticles (AgNPs) is crucial for the diversity of AgNP materials. Oplopanax elatus is a valuable medicinal shrub and its adventitious root (AR) culture is a modern method for producing the raw material. To explore an efficient biosynthetic AgNPs, this study synthesized AgNPs using O. elatus AR extract (OE-AgNPs) and the characterization of OE-AgNPs was performed. Finally, the antibacterial and anti-biofilm effects of OE-AgNPs were investigated. The result showed that OE-AgNPs had an obvious absorption peak of nanosilver with a spherical shape and a silver-like face-centered cubic structure, which the OE-AgNPs were capped by compounds with aliphatic amine, amide, carbonyl, and hydroxyl groups of O. elatus AR extract, indicating a successful synthesis of OE-AgNPs. The 10–40 nm particles were the most abundant in the OE-AgNPs, accounting for 70%. OE-AgNPs had the strongest antibacterial activity against Escherichia coli and Pseudomonas aeruginosa among six bacterial species tested, with a minimum inhibitory concentration (MIC) of 0.75 μg/mL, and the cell contents of E. coli and P. aeruginosa leaked out by OE-AgNP treatment, and bacterial respiration was inhibited. After OE-AgNP treatment, biofilms of E. coli and P. aeruginosa were efficiently scavenged with a scavenging rate of more than 60%; the extracellular polysaccharide concentrations in biofilms were also ruduced. The findings of this study suggested that OE-AgNPs could be used as a potential antibacterial and antibiofilm substance to apply in the product production and indicated the feasibility of expanding the application of O. elatus ARs.

Melatonin-induced development of adventitious roots, biosynthesis of secondary cell products and greener synthesis of silver nanoparticles for biological activities using Indigofera heterantha

Indigofera heterantha is a medicinal shrub of the family Fabaceae that naturally produces pharmaceutically important polyphenolics and at the verge of extinction due to ruthless exploitation. The adventitious roots provide bases for the conservation of endangered plants by decreasing pressure on their wild populations and help in the large-scale production of pharmacologically important secondary metabolites. The main objective of the current study was to establish a feasible protocol for adventitious roots and to investigate the effect of melatonin on the biosynthesis of biomass, secondary cell products, and greener synthesis of silver nanoparticles (AgNPs) for various biological activities. Melatonin is an important growth promoter and plays a key role in plant defense that can be used as elicitors for large-scale production of secondary metabolites. Different concentrations of melatonin revealed that 1.5 mg l−1 melatonin was effective for the biosynthesis of maximum biomass during log phases of growth kinetics. The same melatonin concentration enhanced total phenolics content (TPC; 68.28 mg/g-DW), total flavonoids content (TFC; 24.34 mg/g-DW), total phenolics production (TPP; 153.63 g l−1), total flavonoids production (TFP; 54.80 g l−1), antioxidant activity and total secondary metabolites in adventitious roots. The melatonin-treated roots (300 mM) were able to produce maximum biogenic AgNPs, characterized by UV–vis spectroscopy (UV), scanning electron microscope (SEM), Fourier transform infrared (FTIR), and X-ray diffraction (XRD) and were used for various biological activities. These NPs displayed maximum antimicrobial activities and further revealed that AgNPs and aqueous root extract displayed higher cytotoxic activities. The protocol developed here provides an alternative strategy for germplasm conservation and melatonin proved to be one of the best elicitors for different activities and has the potential of scaling up by various pharmaceutical industrial applications.

The Natural Alternatives: The Impact of Plant Extracts on Snowbush (Breynia disticha Forst.) Cuttings’ Morpho-Physiological and Biochemical Characteristics

The utilization of cuttings remains a prevalent method for vegetative propagation in various plant species. Synthetic rooting hormones have conventionally been employed to enhance the rooting process; however, their high cost and potential environmental risks have necessitated the exploration of natural alternative compounds. In this study, the efficacy of natural plant extracts (pure honey, aloe extract, willow extract, moringa extract, and cinnamon powder) and synthetic auxin derivatives (indole-3-butyric acid and α-naphthaleneacetic acid) at a concentration of 2000 ppm was compared for their influence on rooting and vegetative growth of snowbush (Breynia disticha) cuttings, a significant ornamental and medicinal shrub. Results demonstrated that while the synthetic hormones produced the highest survival percentages and root number, the roots were consistently short, thick, friable, and largely void of secondary roots. Conversely, the alternative natural plant extracts, particularly aloe extract, exhibited promising outcomes, showcasing good rooting percentage and root number, significantly increased root length, and fresh and dry root weight. Furthermore, aloe extract demonstrated the potential to enhance shoot length and alter the chemical constituents of the cuttings. The highest values of total phenols and nitrogen percentage were recorded with cuttings treated with indole-3-butyric acid, followed by cuttings treated with aloe extract. While using aloe extract, we recorded the highest values of total carbohydrates, phosphorus, and potassium percentages. Notably, the highest endogenous levels of indole acetic acid and gibberellic acid, along with the lowest abscisic acid concentration in cutting tissues, were associated with the highest rooting percentage observed with indole-3-butyric acid, followed by the use of aloe extract. We hypothesized that natural plant extracts, specifically aloe extract, have potential as a viable alternative for synthetic auxins in promoting successful rooting and vegetative growth in snowbush cuttings. Further research is warranted to explore the underlying mechanisms and optimize the application of these natural compounds in vegetative propagation techniques.

Evaluation of the anti-inflammatory and antioxidant properties and isolation and characterization of a new bioactive compound, 3,4,9-trimethyl-7-propyldecanoic acid from Vitex negundo

Ethnopharmacological relevanceHerbal medicines derived from plant extraction are affordable, more therapeutically effective, and have fewer side effects than contemporary medications. Vitex negundo L. (V. negundo). is a medicinal shrub, which contains numerous phytoconstituents. In ancient medicinal practices, V. negundo was primarily prescribed as an analgesic and anti-inflammatory drug.Aim of the study: This study aims to evaluate the anti-inflammatory and antioxidant characteristics of crude extracts from V. negundo leaves, including those derived from petroleum ether (P), methanol (M), and aqueous (A) solvents. Additionally, the research seeks to identify the specific bioactive compounds responsible for these observed properties. Materials and methodsThe nitric oxide scavenging study was performed to evaluate the V. negundo crude extract's ability to function as a nitric oxide scavenger. Protein denaturation and proteinase inhibition experiments were employed to study the ability of extracts to suppress proteolysis and inhibit the enzymes that cause tissue injury. The membrane-stabilizing potency of plant extracts were examined through the process of heat-induced hemolysis. The ability of the extracts to neutralize free radicals showed a dose-dependent response, and the aqueous extract exhibited substantially higher activity in both FRAP and DPPH. The GC-MS analysis of V. negundo extracts revealed a vast array of pharmacologically active metabolites. Based on this Bioassay-guided fractionation approach, the optimal extract was selected for the potent molecule isolation and characterization. ResultsThe findings demonstrated that the aqueous extract of V. negundo exhibited markedly superior radical scavenging and anti-inflammatory capabilities compared to the other two extracts. Furthermore, a new molecule, 3,4,9-trimethyl-7-propyldecanoic acid was isolated from this extract, and its chemical structure was successfully determined. ConclusionThis study revealed that the aqueous extract of V. negundo demonstrated notably stronger in vitro anti-inflammatory and antioxidant properties in comparison to the methanol and petroleum ether extracts. The identified active compound, 3,4,9-trimethyl-7-propyldecanoic acid is likely responsible for the extract's free radical scavenging and anti-inflammatory effects. Furthermore, conducting both in vitro and in vivo studies is crucial to substantiate the potential of this active constituent for the development of an anti-inflammatory drug derived from V. negundo.

Chemical profiling of maceration and decoction of Tamarix gallica L. organs and in vitro biological properties

ABSTRACT Tamarix gallica L. is a halophytic medicinal shrub traditionally used in the treatment of liver disorders. Leaf and flower infusions are widely used for anti-diarrheic and anti-inflammatory preparations. In this work, we have explored the combined effect of method (Maceration and Decoction) and solvent extraction (70% Methanol, 70% Ethanol, 70% Acetone, and Water) on phenolic composition and biological activities (antioxidant and anti-inflammatory) of different T. gallica organ extracts (Leaves, Flowers, Stems, and Fruits). Obtained results showed that Tamarix leaves reveal more potent antioxidant activity. Methanol (70%) was the best maceration solvent for the extraction of leaves and flowers with high total antioxidant and anti-radical capacities. HPLC analysis showed that catechin, isorhamnetin-3-O-glucoside, isoquercetin were the major phenolics in 70% methanolic extract. Furthermore, this extract showed considerable anti-inflammatory activity. This prospect could be of great importance in the valuation of this halophyte as a source of natural antioxidants and anti-inflammatory drugs.

An Efficient Micropropagation Protocol for the Endangered European Shrub February Daphne (Daphne mezereum L.) and Identification of Bacteria in Culture

Daphne mezereum of the Thymelaeaceae family is a medicinal shrub occurring naturally in Europe and under legal protection in Poland. In the present study, a protocol developed for mass propagation of February daphne from nodal explants is presented. Micropropagation is one of the in vitro techniques that allow the preservation of rare and valuable plants by developing efficient methods for their propagation. In the proliferation stage, explants were cultured in the Woody Plant Medium (WPM) with different cytokinins, and in the rooting stage on the semi-solid WPM medium with perlite, indole-3-butyric acid (IBA) in various concentrations was used. The maximum proliferation rate (five shoots per explant) was observed on the medium containing 4.14 μM of meta-Topolin (mT). When the regenerated shoots were rooted in vitro in the presence of IBA in various concentrations, that of 19.68 μM induced the highest number of roots per shoot (6.63) and the maximal root length (2.15 cm). It is also worth remembering that plants are often colonized by different groups of microorganisms, which also affect the diversity of the ecosystem. The endophytic bacteria inhabiting the D. mezereum shoots are Mycobacterium.

Woodfordia fruticosa (L.) Kurz: in vitro biotechnological interventions and perspectives.

Woodfordia fruticosa (L.) Kurz is a woody medicinal shrub (Lythraceae) commonly known as the "fire flame bush." W. fruticosa plant parts either alone or whole plant have a long history of recommended use in the Indian medicine systems of Ayurveda, Unani, and Siddha (AUS). This plant is prominently known for its pharmacological properties, viz., antimicrobial, anti-inflammatory, anti-peptic ulcer, hepatoprotective, immunomodulatory, antitumor, cardioprotective, analgesic, and wound healing activities. Its important phyto-constituents, woodfordin C, woodfordin I, oenothein B, and isoschimacoalin-A, exhibit in vitro or in vivo physiological activities beneficial to human health. As the plant is a rich storehouse of phyto-constituents, it is indiscriminately used in its wild habitats. Moreover, due to very poor seed viability and difficult-to-root qualities, it is placed under IUCN list of endangered plant species. For W. fruticosa, biomass production or to its conservation by in vitro regeneration is the best feasible alternative. Till date, only few important in vitro regeneration methods are reported in W. fruticosa. ISSR molecular markers based clonal fidelity and Agrobacterium-mediated transformation has been demonstrated, indicating that W. fruticosa is amenable to genetic manipulation and genome editing studies. This review presents concise summary of updated reports on W. fruticosa phyto-constituents and their biological activities, while a critical appraisal of biotechnological interventions, shortcomings, and factors influencing such potential areas success was presented. The unexplored gaps addressed here are relevant for W. fruticosa scientific innovations yet to come. In this paper, for the first time, we have presented a simple and reproducible protocol for synthetic seed production in W. fruticosa. KEY POINTS: • Critical and updated records on W. fruticosa phytochemistry and its activities • In vitro propagation and elicitation of secondary metabolites in W. fruticosa • Key bottlenecks, in vitro flowering, value addition, and outlook in W. fruticosa.