Tannin Compounds Research Articles

Standarisasi Ekstrak Etanol Daun Saga (Abrus precatorius L.) Sebagai Minuman Tradisional

Saga has the species name Abrus precatorius L, which belongs to the Fabaceae family. The leaves of this plant are widely used by people as traditional medicine to reduce fever and cough. The aim of this research is to examine the use of saga leaf extract as a traditional drink that meets quality standards, so that the standardization process for this extract is carried out by determining specific parameters and non-specific parameters. The method used is maceration extraction using 70% ethanol. Specific parameters carried out include extract identity, organoleptic and phytochemical tests. Non-specific parameters used include ash content, acid soluble ash content, acid insoluble ash content, water content and drying shrinkage. The results obtained were a yield of 16.15% thick saga leaf extract, thick texture, greenish black in color, with a distinctive aroma. The extract contains saponin, alkaloid, tannin and flavonoid compounds. The results of non-specific parameter tests showed that the ash content was 2.17%, the acid soluble ash content was 2.17%, the acid insoluble ash content was <0.02%, the water content was 12.30% and the drying loss was 12.30%. The conclusion is that the research results meet extract quality standards. The data is expected to provide additional information regarding ethanol extract of saga leaves as a traditional medicine.

PENGARUH ANTIBAKTERI SEDIAAN SABUN WAJAH CAIR EKSTRAK ETANOL DAUN BELIMBING WULUH (Averrhoa bilimbi L) TERHADAP Staphylococcus aureus METODE DIFUSI

Facial soap used to clean the face from exposure to dust, pollution, dirt, reduce sebum on the face and eradicate bacteria that can cause acne. Star fruit leaves are efficacious in healing several diseases, such as purulent skin inflammation, boils and medicine for gout. Phytochemical of star fruit leaves contain alkaloid, flavonoid, saponin, tannin and steroid compounds that can inhibit bacterial growth. This study aims to determine the effect of liquid facial soap containing of star fruit leaf extract (Averrhoa bilimbi L) on the growth of Staphylococcus aureus bacteria by diffusion method.This study used a Quasi Experiment research design. The population in this study were wuluh star fruit leaves. The sample used is star fruit leaf extract which is made into liquid facial soap preparations with concentrations of 5%, 10%, 15% and 20%. This antibacterial testing method uses the Kirby-Bauer diffusion method. The results of antibacterial research obtained the average diameter of the inhibition zone at 5% concentration of 10.60 mm, 10% concentration of 11.20 mm, 15% concentration of 12.10 mm, and 20% concentration of 13.23 mm. Based on the diameter of the inhibition zone formed at concentration of 5% is categorized as a moderate response and at concentration of 10%, 15% and 20% is categorized as a strong response.The results of simple linear regression statistical analysis obtained p value = 0.000 < α 0.05 which means Ha is accepted, which means that there is a significant effect on the preparation liquid facial soap ethanol extract of star fruit leaves (Averrhoa bilimbi L) against the growth of Staphylococcus aureus diffusion method.

Perubahan Berat Badan Mencit (Mus musculus) Model Diabetes Melitus Tipe 1 yang Diterapi Ekstrak Alga Coklat Sargassum sp

In type 1 diabetes, when the body does not produce enough insulin or none at all. This causes blood glucose levels to remain high while the body's cells are starved for energy. As a result, the body turns to alternative energy sources, namely fat and muscle, leading to weight loss. Sargassum sp contains steroid, alkaloid, phenol, flavonoid, saponin and tannin compounds that can be antioxidant and antidiabetic. This study aims to determine changes in body weight of mice (Mus musculus) type 1 diabetes mellitus models treated with Sargassum sp. This study is an experimental study. Mice were divided into 6 groups, namely KN, K-, K+, P1, P2 and P3. Body weight was weighed on day 0, day 14 (post STZ induction) and day 28 (post drug administration). The data were analysed by ANOVA using SPSS program. The results showed that Sargassum sp extract can increase the body weight of DM mice.

Novel use of the electrocatalytic oxidation process with Fe-DSA dual anode configuration for leachate treatment: Significance of in situ ferrate generation

The leachate produced by waste transfer stations (WTSs) contains substantial amounts of refractory organic matter and ammonia, necessitating on-site treatment. In this study, a novel electrocatalytic oxidation (ECO) process with Fe-DSA dual anode configuration was established for leachate pretreatment. In this configuration, chloride in the leachate was converted to active chlorine by the DSA anode, while ferric hydroxide (Fe(OH)3) was produced from Fe anode. As a result, Fe (VI) was in situ formed through the reactions between active chlorine and Fe(OH)3. Simultaneous and efficient removal of COD and NH4+-N in the ECO process with Fe-DSA dual anode configuration was achieved, significantly improving leachate biodegradability compared with the Fe–Fe and DSA-DSA dual anode configurations. The transformation characteristics of organic compounds in the ECO process were investigated through the electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI FT-ICR MS) analysis. The ECO process with Fe-DSA dual anode configuration promoted the removal and transformation of lignins/carboxylic rich alicyclic molecules (CRAM)-like and tannins compounds with biologically refractory properties, as well as S-containing compounds with biological toxicity. Further X-ray photoelectron spectroscopy (XPS) analysis revealed that iron oxides, amorphous Fe-(oxy) hydroxide, and amorphous Fe(OH)3 produced by Fe (VI) decomposition in the ECO process with Fe-DSA dual anode configuration enhanced removal performance through coagulation. In addition, the contribution of different active species to organic matter removal in the ECO process was quantified by quenching experiments. High-valent iron oxidation dominated the ECO process with Fe-DSA dual anode configuration, while active chlorine oxidation, •OH oxidation and coagulation synergistically contributed to organic matter removal.

Evaluation of liquid smoke of cocoa bean shell against Escherichia coli and Candida utilis

Cocoa bean shells are one of the by-products produced from chocolate processing. The cocoa bean shells contain polyphenols approximately 5.8%. The study aimed to evaluate the effectivity of liquid smoke produced from cocoa bean shells against Escherichia coli and Candida utilis It is expected that liquid smoke from cocoa bean shells will have the opportunity to replace AGPs. Total phenol, saponin, and tannin compounds were analyzed and were made in three replications. To determine the inhibition of liquid smoke of cocoa bean shells (LSCBS) on E. coli and C. utilis, the diameter of the clear area on the media was measured using a ruler. The antibacterial and antifungal activity test was carried out by well diffusion methods. Ten treatments, i.e. different concentrations of the LSCBS (0, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 100%/non-diluted), each with four replications were performed, and the growth of the E. coli and C. utilis was observed. Statistical analysis was conducted using a completely randomized design. The results showed total phenol content was 0.17 g/100mL, saponin 0.46 g/100mL, and tannin 0.047 g/100mL in LSCBS. The antibacterial activity with a 10-100% concentration of LSCBS did not show zona inhibition (clear zone) against E. coli. Likewise, antifungal activity with a 10-100% concentration of LSCBS did not show zona inhibition against C. utilis. Not all liquid smoke from plant by-products inhibits bacterial growth. This research showed that the liquid smoke from the cocoa bean shells did not affect the growth of Escherichia coli and Candida utilis in vitro, the possible cause was the very low content of total phenols, saponins, and tannins It means liquid smoke from cocoa bean shells could not replace AGPs.

Food preference of the Calliteara cerigoides Walker on several species of Shorea sp. leaves

Shorea sp. (meranti) is a wood-producing tree from Indonesia that has many benefits in world trade. Meranti cultivation is carried out to rehabilitate and develop plantation forests. However, meranti cultivation is susceptible to various pest attacks, including Calliteara cerigoides. This study aimed to determine the food preferences of C. cerigoides and to analyze the phytochemical compounds in meranti leaves. Pest food preferences were tested by testing three meranti leaf species on C. cerigoides larvae. Three species of meranti were Shorea selanica, S. pinanga, and Shorea sp. Phytochemical tests were carried out by identifying seven secondary metabolic compounds in meranti leaves. The results showed that C. cerigoides larvae preferred S. selanica leaves and survived until the seventh instar. The content of tannin and hydroquinone phenolic compounds in the leaves of S. pinanga is thought to be an obstacle in the pest’s food preference, causing the larvae to die in the third instar. The content of alkaloid and flavonoid compounds in the leaves of Shorea sp. was suspected to be the cause of the larvae not surviving until the instar phase and only until the fourth instar. Morphological factors and the content of chemical compounds in meranti leaves affect the eating preferences of larvae.

Utilization of Acacia auriculiformis tannins as a biomordant material for fabrics in the natural dyeing process using the ecoprint technique

The ecoprint coloring techniques has the disadvantage that they fade easily. so a mordant is needed which functions as a color binder between the media and natural dyes so that they do not fade easily. Research was conducted to analyze the effect of acacia tannin compounds on color fastness. Tracing the chemical content in acacia bark powder was carried out by phytochemical screening methods. The stages of making ecoprint include mordanting. pattern and color printing and fixation. The results of phytochemical screening showed that acacia bark powder contains flavonoids. tannins. alkaloids. glycosides and triterpenoids. The yield of acacia tannins obtained from the extraction results was 22.47% with a tannin content of 19.61%. The ΔE value obtained in the color fading test against fabric washing produces a small (ΔE = 1-3). medium (ΔE = 3-6) and large (ΔE > 6) effects. Color coloring tests on fabric ironing produced little effect (ΔE=1-3). Based on the tests carried out. acacia tannins can be used as mordant materials.

Extraction of tannin, colour and aroma compounds in pinot noir wines as affected by clone selection and whole bunch addition

Our previous study revealed stem inclusion fermentation reduced anthocyanin, and increased tannin and aroma compounds responsible for green notes. This study further investigated the effect of clone selection and whole bunch fermentation on Pinot noir wine composition, with focus on tannin composition. Three treatments were conducted using two clones (AM10/5 and UCD5) in 2021 and 2022: 100% destemmed (DS), 30% whole bunch (WB30), and 60% whole bunch (WB60). WB60 increased stem and skin derived tannins but reduced seed derived tannin proportion in wines. Clone selection had an impact on tannin composition and an even greater impact on tannin concentration, colour, and aroma compounds. AM10/5 produced wines with higher tannin, polymeric pigments and darker colour. AM10/5 wines also had higher concentration of phenylethyl alcohol, but lower concentrations of 3-isobutyl-2-methoxypyrazine and ethyl esters, indicating more floral but less fruity and green notes.

Evaluation of the content of polyphenols, flavonoids and tannins, the antioxidant capacity, and the antimicrobial activity of different organic and aqueous fractions of stems of Retama monosperma

Retama monosperma is an endemic plant of the Mediterranean region that has been traditionally used in folk medicine to treat various ailments. It contains a variety of bioactive phytochemicals and exhibited several biological activities. This study aimed to assess the phytochemical screening, total phenolic, total flavonoid, and total tannin compounds, as well as the antioxidant capacity and antimicrobial activity. The phytochemical screening involved color reactions, characteristic reagents, and precipitation methods. Total phenolic, flavonoid, and tannin compounds were quantified using colorimetric methods across four fractions. Antioxidant capacity was assessed using 2,2-Diphenyl-1-picrylhydrazyl radical scavenging, ferric reducing antioxidant power, 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging, and phosphomolebdenum assay. The antimicrobial activity was evaluated through disc diffusion method and the microdilution assay. Qualitative phytochemical tests revealed the presence of flavonoids, tannins, terpenoids, alkaloids, and sterols. Quantification of total phenolic, flavonoid, and tannin compounds confirmed the richness of polyphenolic compounds in all fractions. The antioxidant capacity measurements revealed that the ethanol fractions exhibited the highest antioxidant capacity in 2,2-Diphenyl-1-picrylhydrazyl, ferric reducing antioxidant power assays, and phosphomolebdenum assay. Conversely, the aqueous fraction showed highest activity in the 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) assay. Regarding antimicrobial activity, the ethyl acetate fraction demonstrated superior efficacy against Staphylococcus aureus, and Bacillus cereus. These findings suggest that R. monosperma could serve as a valuable source of antioxidant and anti-infective phytocompounds.

Microscopical, phytochemical, and LC/MS analysis of Ginkgo biloba leaves

Every medicinal practitioner knows Ginkgo as the plant source of an extract that is good for memory improvement. Ginkgo biloba extract is classified as one of the medicines in the treatment of dementia and social exclusion brought by vascular or neurodegenerative disorders. In such disorders, the extract was reported to be successful in improving symptoms such as depression, attention, memory disturbances, vertigo, tinnitus, and anxiety. The aerial part of Ginkgo bioloba was obtained from China, Utilizing fresh leaves allows for a microscopic inspection, the concentrated extracts by soxhlet were screened by standard methods for the qualitative investigation of secondary metabolites present in the plant, and a small quantity of extract was analyzed by LC/MS instrument. Microscopical examination shows diacytic stomata, helical vessels, fiber, and unicellular unbranched trichomes. Qualitative analysis is positive for tannin, glycoside, flavonoid, terpene, and phenolic compounds detected while saponin, coumarin, and alkaloid gave a negative result. While LC/MS shows important compounds that have important biological activities such as phenolic acids, flavonoids, and flavonoid glycosides which are reported for their different pharmacological activity, the Ginkgo plant is a promising drug that can help in the treatment of different diseases and required further studies.

Antimicrobial Activity and Phytochemical Characterization of Baccharis concava Pers., a Native Plant of the Central Chilean Coast.

Few sclerophyllous plants from the central coast of Chile have been systematically studied. This work describes the phytochemical composition and antimicrobial properties of Baccharis concava Pers. (sin. B. macraei), a shrub found in the first line and near the Pacific coast. B. concava has been traditionally used by indigenous inhabitants of today's central Chile for its medicinal properties. Few reports exist regarding the phytochemistry characterization and biological activities of B. concava. A hydroalcoholic extract of B. concava was prepared from leaves and small branches. Qualitative phytochemical characterization indicated the presence of alkaloids, steroids, terpenoids, flavonoids, phenolic, and tannin compounds. The antimicrobial activity of this extract was assessed in a panel of microorganisms including Gram-positive bacteria, Gram-negative bacteria, and pathogenic yeasts. The extract displayed an important antimicrobial effect against Gram-positive bacteria, Candida albicans, and Cryptococcus neoformans but not against Gram-negatives, for which an intact Lipopolysaccharide is apparently the determinant of resistance to B. concava extracts. The hydroalcoholic extract was then fractionated through a Sephadex LH-20/methanol-ethyl acetate column. Afterward, the fractions were pooled according to a similar pattern visualized by TLC/UV analysis. Fractions obtained by this criterion were assessed for their antimicrobial activity against Staphylococcus aureus. The fraction presenting the most antimicrobial activity was HPLC-ESI-MS/MS, obtaining molecules related to caffeoylquinic acid, dicaffeoylquinic acid, and quercetin, among others. In conclusion, the extracts of B. concava showed strong antimicrobial activity, probably due to the presence of metabolites derived from phenolic acids, such as caffeoylquinic acid, and flavonoids, such as quercetin, which in turn could be responsible for helping with wound healing. In addition, the development of antimicrobial therapies based on the molecules found in B. concava could help to combat infection caused by pathogenic yeasts and Gram-positive bacteria, without affecting the Gram-negative microbiota.

Antibacterial Activity of Ethanol Extract of Sirih Cina Leaves (Peperomia pellucida) Using TLC-Bioautography and Agar Diffusion Methods

Sirih cina leaf (Peperomia pellucida) is a plant that contains active compounds of alkaloids, terpenoids, tannins, saponins, flavonoids and phenols that have potential antibacterial activity. This research aimed to determine the antibacterial activity of ethanol extract of sirih cina leaves (Peperomia pellucida) using the TLC-Bioautography and Agar Diffusion methods. Sirih cina leaf (Peperomia pellucida) was extracted by maceration and evaporated to obtain a thick extract. Screening test result showed that the extract was active at a concentration of 0.1% against the bacteria Propionibacterium acnes, Staphylococcus aureus and Pseudomonas aeruginosa. The results of antibacterial activity testing using the TLC-Bioautography method using the eluent methanol: chloroform (1:4) showed results with Rf values = 0.94, 0.80, 0.65, 0.54, 0.40, 0.30, 0.21, 0.10 against the bacteria Propionibacterium acnes, Staphylococcus aureus, and Pseudomonas aeruginosa. In determining the MIC, the value obtained was the same for the three test bacteria at a concentration of 0.5%, while the KBM value was at a concentration of 2% for Propionibacterium acnes bacteria, a concentration of 0.5% for Staphylococcus aureus bacteria, and a concentration of 1% for Pseudomonas aeruginosa bacteria. The results of antibacterial activity testing using the Agar Diffusion method obtained the largest inhibitory zone diameter at a concentration of 16% against Propionibacterium acnes bacteria with an inhibitory zone diameter of 23.20 mm, Staphylococcus aureus bacteria with an inhibitory zone diameter of 23.63 mm, and Pseudomonas aeruginosa bacteria with an inhibitory zone diameter. 24.48mm

Phytochemical Screening and Anti-Inflammatory and Anti-Oxidant Activities of Spermacoce Hispida Ethanolic Extract.

Spermacoce hispida, a medicinal plant from the Rubiaceae family, has garnered attention for its traditional use and reported therapeutic properties. This study aimed to investigate the phytochemical composition and assess the anti-inflammatory and anti-oxidant activities of the ethanolic extract derived from Spermacoce hispida. Phytochemical screening of the ethanolic extract involved qualitative analysis to identify major phytoconstituents such as tannins, phenols, and acids. The anti-inflammatory activity was evaluated through in vitro assays, and anti-oxidant potential was assessed using established methods to measure scavenging activity against free radicals and reactive oxygen species. Phytochemical screening revealed the presence of various bioactive constituents in the Spermacoce hispida ethanolic extract, including acid, tannin, protein, and phenolic compounds. Furthermore, the extract exhibited potent anti-oxidant activity, as evidenced by its ability to scavenge free radicals and attenuate ROS-induced oxidative stress. The findings of this study underscore the potential of Spermacoce hispida ethanolic extract as a source of bioactive compounds with anti-inflammatory and anti-oxidant properties. The presence of phytochemicals and the observed bioactivity support its traditional use and suggest potential therapeutic applications. These results contribute to the growing body of knowledge on natural products with health-promoting effects and provide a basis for further research aimed at developing pharmaceutical and medicinal interventions harnessing the benefits of Spermacoce hispida.

Changing the polyphenol composition and enhancing the enzyme activity of sorghum grain by solid-state fermentation with different microbial strains.

Solid-state fermentation (SSF) has been widely used in the processing of sorghum grain (SG) because it can produce products with improved sensory characteristics. To clarify the influence of different microbial strains on the SSF of SG, especially on the polyphenols content and composition, Lactiplantibacillus plantarum, Saccharomyces cerevisiae, Rhizopus oryzae, Aspergillus oryzae, and Neurospora sitophila were used separately and together for SSF of SG. Furthermore, the relationship between the dynamic changes in polyphenols and enzyme activity closely related to the metabolism of polyphenols has also been measured and analyzed. Microstructural changes observed after SSF provide a visual representation of the SSF on the SG. After SSF, tannin content (TC) and free phenolic content (FPC) were decreased by 56.36% and 23.48%, respectively. Polyphenol oxidase, β-glucosidase and cellulase activities were increased 5.25, 3.27, and 45.57 times, respectively. TC and FPC were negatively correlated with cellulase activity. A positive correlation between FPC and xylanase activity after 30 h SSF became negative after 48 h SSF. The SG surface was fragmented and porous, reducing the blocking effect of cortex. Cellulase played a crucial role in promoting the degradation of tannin (antinutrient) and phenolic compounds. Xylanase continued to release flavonoids while microbial metabolism consumed them with the extension of SSF time. SSF is an effective way to improve the bioactivity and processing characteristics of SG. © 2024 Society of Chemical Industry.

Effect of provenance on leaf morphological traits and secondary metabolite levels in leaf extracts of Myrtle (Myrtus communis L.) in Morocco

Myrtus communis L. is widely used as an aromatic and medicinal plant. In this work, we investigate the influence of provenance on leaf morphological traits and secondary metabolite levels in leaf extracts of Myrtle. Samples of myrtle from different geographically distinct areas were measured and analysed for polyphenols, flavonoids, condensed tannins, and antioxidant activity using the DPPH test. The analysis of result reveals the significant variance among populations in terms of morphological traits and levels of secondary compounds, particularly in terms of polyphenols, flavonoids, condensed tannins, and reducing power. Correlations between certain studied traits and environmental conditions were recorded. Leaf size and methanolic leaf extract yields from Moroccan myrtle showed as good criteria for natural population selection. Precipitation, temperature, and altitude were determinants of variation in leaf morphological traits, extract yield, and their polyphenolic, tannin, and flavonoid compounds. Based on the studied traits, three major groups were identified with few clear geographical affiliations. The IZA population from the Western Rif and GHA from the Pre-Rif formed a separate group from the other populations, characterized by the highest extract yields. The BRA population from the central plateau formed a distinct isolated group from the others. This population, collected from a location with low annual rainfall values was the richest in tannins with relatively high levels of polyphenols and flavonoids compared to other populations. This means that drought affects the amount of polyphenols and flavonoids. The geographical structure of the third group is mixed, including the IKA and AGH (Pre-Rif) populations, BS and RAB from the Central Plateau, and BT from the Western Rif.

Phytochemical Screening of Coconut Pistil Extract (Pistillum Cocos nucifera) as Traditional Medicine

The coconut plant is a plant that has many benefits for human life. Every part of the coconut plant has great benefits for life, such as the trunk, roots, fruit, even the fruit or pistil of the coconut also provides many health benefits. Villagers use coconut pistil as a traditional medicine in the treatment of diarrhea. Traditional medicine can be obtained from plants that contain secondary metabolite compounds. Secondary metabolite compounds are active compounds found in plants to defend themselves from harmful environmental attacks. The purpose of this study is to identify secondary metabolite compounds present in coconut pistils. Identification of secondary metabolite compounds is carried out qualitatively, namely conducting phytochemical tests (phytochemical screening) in the laboratory. Phytochemical Screening is a simple and effective method. The results of this study indicate that coconut pistil (pistillum Cocos Nucifera) positively contains secondary metabolite compounds of flavonoids, saponins, tannins, terpenoids and phenolics. So that coconut pistil can be used as one of the traditional medicinal ingredients

Phytochemical Screening and Antioxidant Activity of Phenolic Compound From Anacardium Occidentale Leaf Extract

Indonesia is known for its high biodiversity, particularly in herbal medicine, with cashew trees being one of the most used plants. Cashew leaves contain proteins, fats, carbohydrates, calcium, and vitamins B1 and B2. They are used as herbal medicine in various parts of Indonesia, including kidney disease treatment, mouthwash, and kanker disease drugs. The ethanol extract from cashew leaves contains secondary metabolite compounds such as phenolic, flavonoids, and tannins. The bioactivity of cashews includes antiviral, antifungal, antibacterial, and anti-inflammation properties. The cardanol compound from cashew leaves has the highest antioxidant activity compared to cardol and anacardic acid, with IC50 values of 3,22±0.07 ?g/ml and 0,06±0.01 ?g/mL, respectively. This research aims to isolate phenolic compounds from cashew leaves, identify their structure, and measure antioxidant activity. The study analyzed the phytochemical screening of A. occidentale leaf extracts, revealing variations in their components. Hexane extracts were positive for tannin and terpenoid compounds, while dichloromethane extracts were positive for all compounds except saponin and cardiac glycoside. Ethyl acetate extracts were positive for terpenoids and flavonoids. Methanol extracts were positive in nearly all assays except for anthraquinone. The isolated compound from A. occidentale leaf yielded a yellow powder with a melting point of 247-248?C. The crude extract had an IC50 value of 59.19 ± 2.38 ?g/mL, while the phenolic separated element had a value of 191.815 ± 1.07 ?g/mL. Flavonoids are a group of antioxidants that act as chelators and scavengers of free radicals, targeting hydroxyl and peroxyl radicals, superoxide anions, and peroxynitrites. The Anacardiaceae family species contain numerous phenolic compounds with potent antioxidant properties, which can help manage elevated free radical generation conditions. Further research is needed to determine the specific phenolic chemicals responsible for the antioxidant activity of the species and evaluate their contribution to this activity. Anacardium occidentalale L. leaves, seeds, and stem bark extracts have been found to have antioxidant and antimicrobial properties. The traditional herbal medicine of Indonesia, Jamu, is a valuable source of antioxidants and prooxidants

QUANTITATIVE PHYTOCHEMICAL ANALYSIS OF MAULI BANANA STEM AND BASIL LEAVES EXTRACT MIXTURE

Background: Mauli banana stem extract and basil leaves extract are ingredients that has been involved in in vitro and in vivo researches for their pharmacognosy and therapeutic applications. Preliminary phytochemical test of both individual extract revealed the presence of triterpenoid, tannin, phenolic, saponin, steroid, alkaloid, and flavonoid compound. A combination of mauli banana stem and basil leaves extract is believed to work synergistically and may have a more beneficial effect than in single herbal extract. Purpose: To analyze the results of quantitative phytochemical of mauli banana stem and basil leaves extract mixture. Method: Non-experimental research with quantitative laboratory examination to determine sample content. Results: The result showed that mauli banana stem and basil leaves extract mixture contain triterpenoid (30%), saponin (24,75%), flavonoid (15%), alkaloid (22%), phenolic (8%), steroid (4,62%), and tannin (0,03%). Conclusion: Mauli banana stem and basil leaves extract mixture correlated with an increase in majority of the bioactive compound compared to the single extract and would serve as a promising source for phytomedicine. The bioactive compound with the highest content was triterpenoid with 30%, while the lowest was tannin with 0,03%. Keywords: Basil leave extract, Mauli banana stem extract, Quantitative phytochemical test

Tannin Extraction from Bark of Cinnamomum burmannii and Its Application for use as Natural Dye and as Antioxidant

Cinnamon bark (Cinnamomum burmannii) contains tannins which have the potential to act as natural dyes. This research to synthesis natural dye from cinnamon bark extract (Cinnamomum burmannii). The research was carried out by making cinnamon bark extract with comparing the amount of solvent by maceration using 96% ethanol, calculating the yield, tannin analysis, FTIR analysis, and stability test color. The comparison of the amount of cinnamon bark extraction solvent affected the resulting yield. Testing the tannin compound with 1% gelatin reagent in 10% NaCl showed a white precipitate and 1% FeCl3 reagent produced a greenish-brown color so the extract was positive for tannin, analysis FTIR ratio 1:10 for the presence of O-H, C-H, C=C, C-O groups, ratio 1:15 for the presence of O-H, C-H, C=C, C-O group. The color stability test of cinnamon bark extract is more stable than Rhodamine-B. Based on the extraction results, it was concluded that cinnamon bark extract can be used as an alternative to natural dye in cosmetic products

Pharmacokinetics of four tannin compounds from Sanguisorba officinalis L. before and after processing by ultra-high-performance liquid chromatography-tandem mass spectrometry.

Sanguisorba officinalis L. possesses detoxifying, analgesic, and hemostatic properties. After charred processing, S. officinalis exhibits significantly enhanced medicinal effects. Currently, most pharmacokinetic studies focus on the chemical constituents of unprocessed S. officinalis. There is limited research on the comparison of chemical constituents before and after processing. This study established a pharmacokinetic method using ultra-high-performance liquid chromatography-tandem mass spectroscopy (UHPLC-MS/MS) to simultaneously determine the levels of four tannin compounds in rat plasma. In negative ion mode, MS/MS detection was performed using an electrospray ionization source. Chromatographic separation was performed using WATERS ACQUITY HSS T3 column (2.1 × 100mm, 1.8µm) with a gradient elution of water and acetonitrile as the mobile phase. The pharmacokinetic results indicate that all four compounds reached peak concentrations within 2h, demonstrating rapid absorption into the bloodstream within the gastrointestinal tract. Notably, the absorption was generally faster in the charred compound of S. officinalis after processing. These four compounds exhibited slower elimination in rat plasma, while in S. officinalis charcoal, the compounds were eliminated more rapidly. The pharmacokinetic results have revealed the pharmacokinetic characteristics of the four analytes in rat plasma which provides valuable reference information for further investigating the in vivo absorption process of S. officinalis after processing.