Group Of Flavonoids Research Articles

Antidepressant, Antidiarrheal, Thrombolytic and Phytochemical Profiling of Ethanol Extract of Amomum aromaticum Leaves: In vivo and In vitro Approaches

The study evaluated several pharmacological effects including antidepressant, antidiarrheal and thrombolytic activities of ethanol extract of Amomum aromaticum leaves (EEAA). Upon the assessment for qualitative phytochemical groups in the extract, several doses of EEAA (1000 - 4000 mg/kg) were studied to find acute oral toxicity in mouse for safe dose selection. Then EEAA was tested whether it demonstrates antidepressant activity in tail suspension test (TST) and forced swim test (FST). Antidiarrheal and clot lysis activities of EEAA were evaluated in castor oil-induced diarrhoea in mouse and In vitro clot lysis method, respectively. Oral administration of EEAA (1000 - 4000 mg/kg) showed no morality after 10 days, and no sign of acute toxicity observed within 24 hrs post-treatment. The qualitative phytochemical screening showed the presence of carbohydrate, alkaloid, flavonoid, tannin, saponin, and polyphenol groups in EEAA. The TST and FST resulted with significant improvement in mobility in mice treated with EEAA (400 mg/kg), where fluoxetine (20 mg/kg) was used as standard in both tests. EEAA treatment also showed a moderate dose-dependent anti-diarrheal effect. The 400 mg/kg oral dosing for 14 days decreased the rate of defecation by 52.8% compared to the control group. This study also demonstrated that EEAA possesses clot lysis activity. Hence, further intense investigations are suggested to identify specific potential active phytochemicals. Bangladesh Pharmaceutical Journal 27(1): 51-58, 2024 (January)

Utilization of Suji Leaves Extract (Pleomele Angustifolia N.E Brown) in Inhibiting Carrageenan-Induced Inflammation on Rats

Suji leaf (Pleomele angustifolia N.E. Brown) has long been used as an ingredient for traditional medicines. This study seeks to evaluate the anti-inflammatory activity of suji leaf extract in terms of its ability to reduce oedema in the hind paws of rats. Six groups were treated: negative control, positive control given diclofenac sodium as anti-inflammatory medication, two groups of suji leaf extract powder (SEP) with doses of 300 and 800 mg/kg, acetone extract of suji leaf (AES), and a group of acetone extract of SEP (EA-SEP) at a dose of 500 mg/kg with oral administration. Injections of 1% carrageenan suspension into the right hind paw of rats induced inflammation. The results demonstrated that SEP administered at a dose of 800 mg/kg has an inflammatory capacity (80.56%), AES (56.94%), and AE-SEP (75.7%). Chlorophyll, total phenol, and antioxidant capacity in SEP (9.0809 mg /g sample; 3.7354 mg GAE/g sample; 3.04 mg AAE/g sample), AES (4.6471 mg /g sample; 0.9994 mg GAE/g sample; 3.26 mg AAE/g sample), and AE-SEP (6.4912 mg /g sample; 2.1703 mg GAE/g sample; 2.55 mg AAE/g sample). According to qualitative test results, Suji extract contains bioactive compounds of the flavonoid group, saponins, steroids, and triterpenoids. It is believed that phenolic compounds function as anti-inflammatory agents.

Moringa oleifera (drumstick tree)-nutraceutical, cosmetological and medicinal importance: a review.

Moringa oleifera Lam. (Moringaceae) is a species of tree with an increasing utility, occurring naturally mainly in Pakistan and northern India. M. oleifera is currently cultivated in Africa, South America, Asia and the Middle East. The usage of its leaves, seed oil, bark, fruits, flowers and roots has positive opinions of FDA (American Food and Drug Administration), EFSA (European Food Safety Authority) and CosIng (Cosmetic Ingredients database). The chemical composition of M. oleifera is dominated by: proteins (consisting mainly of amino acids such as arginine or serine), fatty acids (omega-3 and omega-6), vitamins (vitamin A, B and C and tocopherols), mineral salts (including several bioelements, such as calcium, magnesium, sodium, and potassium), valuable polyphenolic compounds from the group of phenolic acids (e.g., gallic acid, ferulic acid) and flavonoids (e.g., myricetin, rutoside, and kaempferol). The raw materials show antioxidant, hepatoprotective, anti-inflammatory and antimicrobial properties. Dietary supplements and alimentary products containing M. oleifera are recommended as health-promoting and "novel food" preparations. The main purpose of this work was a review of the latest scientific literature on M. oleifera, with particular emphasis on the studies focusing on its chemical composition, biological activity and safety. Moreover, the review tends to discuss the results of biotechnological studies using this material and the agronomical significance.

Classification of Makasar Fruit Extract (Brucea javanica L. Merr.) Based on The Level of Ripeness Using a Combination of FTIR and UV-Vis Spectroscopy with Chemometrics

Makasar fruit (Brucea javanica L. Merr) is a medicinal plant frequently utilized in Indonesia for its anti-malarial, anti-diabetic, antioxidant, and antibacterial properties. This research aims to classify extracts from B. javanica fruits based on their ripeness levels using a combination of FTIR and UV-Vis spectroscopy with chemometrics. Makasar fruits were extracted using methanol assisted by ultrasonic technology, resulting in a higher yield of extract from ripe fruit (black in color) than unripe fruit (green in color). The FTIR spectrum was measured at wavenumbers ranging from 4000 to 600 cm-1, while the UV-Vis spectrum was measured at wavelengths ranging from 200 to 800 nm. Notably, the UV-Vis spectrum revealed absorption peaks at 206 nm, attributed to the quassinoid group, and 265 nm, associated with the flavonoid group. Simultaneously, the FTIR spectrum showed various functional groups, including O-H, C-H, δ-lactone, C=C aromatic stretching vibrations, and C-O-C bending vibrations. Before conducting chemometric analysis, the FTIR and UV-Vis spectra were pre-processed as baseline and SNV. The research findings demonstrate that by employing UV-Vis and FTIR spectra in combination with chemometrics, it has been possible to distinguish Makasar fruit according to its ripeness level. Ripe and unripe fruit extracts were grouped with PC values of 88% for UV-Vis and 90% for FTIR, indicating distinct profiles between ripe and unripe fruit extracts of Brucea javanica.

Synthesis and Characterization of Proteolytic Enzyme Loaded on Silver Nanoparticles

Bromelain is a proteolytic enzyme rich in cysteine proteases, extracted from the stem and fruit of pineapple (Ananas comosus). There are several therapeutic applications of the bromelain enzyme, where it has anti-inflammatory, anti-cancer, and antimicrobial activity, reduces joint pain, and accelerates wound healing. In the current study, bromelain enzyme was loaded on silver nanoparticles (Br-AgNPs) prepared using the citrate-reduction Turkevich method. Different characterization analyses were performed, including UV-Vis spectrophotometers, FTIR, SEM, and XRD analyses. Moreover, the antioxidant activity of prepared Br-AgNPs was evaluated by DPPH assay. The results of UV-Vis showed a peak at 434 nm, which referred to the AgNPs formation, and FTIR results revealed groups of (C=O, C=C) at 1519.91 and 1539.20, respectively, and the amine group at 1384.89 and the flavonoids group at 1357.89. SEM results exhibit that the synthesized Br-AgNPs were spherical in shape, with average sizes of about 84.73 nm. Also, the AgNPs were crystalline in nature with face-centered cubic symmetry. The synthesized BR-AgNPs showed strong in vitro antioxidant activity in a dose-dependent manner. In conclusion, successfully synthesized silver nanoparticles and bromelain had a potent antioxidant effect and may be a possible therapeutic agent for many diseases in the future.

Teratogenic Test of Brotowali Stem Extract (Tinospora Crispa) And Temulawak Rhizome Extract (Curcuma Xanthorrhiza) On Fetus Mencit Putih (Mus musculus)

The stem of Brotowali and the rhizome of Temulawak are among the ingredients used in the production of traditional herbal medicine, specifically Brotowali and Temulawak herbal concoctions. These herbal mixtures are also consumed by pregnant women. The extracts from Brotowali stem and Temulawak rhizome contain bioactive antioxidants of the flavonoid group. Flavonoid compounds can inhibit the activities of phosphodiesterase enzymes that hydrolyze cAMP, and an elevated concentration of cAMP can impede growth acceleration. The aim of this research is to determine the teratogenic effects on white mouse fetuses after the administration of Brotowali stem and Temulawak rhizome extracts. The study involved 49 white mice (Mus musculus) divided into 5 groups. The first test group was given 0.5% Na CMC and used as the negative control, the second test group was injected with intravenous Cyclophosphamide at 50 mg/kg BW for the positive control. The groups included EB Dose 1120, ET Dose 1120, Dose 1 EBT 2:1, Dose 2 EBT 1:2, and Dose 3 EBT 1:1. Brotowali stem and Temulawak rhizome extracts were administered during the organogenesis period, and on the 18th day, the mice were subjected to laparotomy to collect the fetuses. Biometric, gross morphological, and skeletal abnormality observations were conducted to assess the effects of Brotowali stem and Temulawak rhizome extract administration. The research results indicate that Brotowali stem and Temulawak rhizome extracts have the potential to cause teratogenic effects, particularly at Dose 3 EBT 1:1.

Effect of Microencapsulation on the Antidiabetic and Antioxidant activities of Elaeocarpus tectorius (Lour.) Poir. Leaf extracts- An In vitro study

Microencapsulation is a novel, cost-effective technique that helps in protecting the bioactivity of plant extracts. The current study is aimed to prepare chitosan-coated sodium alginate microcapsules containing Elaeocarpus tectorius leaf extracts and to study its antioxidant and antidiabetic properties using in vitro assays. The ethanolic extract of E. tectorius was subjected to UV-VIS and FTIR analysis. The extracts were then subjected to microencapsulation using chitosan and sodium alginate. The synthesized chitosan-sodium alginate microcapsules were characterized using FESEM analysis. Further, the antioxidant and antidiabetic activities of the prepared microcapsules and crude extracts were assessed using in vitro assays. The UV-VIS and FTIR analysis of the leaf extracts revealed the presence of functional groups of phenolics, flavonoids and proteins. The microcapsules exhibited good antidiabetic potential through the inhibition of α- amylase and α- glucosidase enzymes. The antioxidant assays revealed that the microcapsules exhibited significantly higher antioxidant potential compared with the crude extracts. The chitosan-sodium alginate microcapsules containing Elaeocarpus tectorius leaf extracts could be used as an alternative to synthetic antidiabetic drugs and as a rich source of antioxidants.

Potential Antioxidant Activity Methods DPPH, ABTS, FRAP, Total Phenol and Total Flavonoid Levels of Macaranga hypoleuca (Reichb. f. & Zoll.) Leaves Extract and Fractions

The Macaranga species (Euphorbiaceae), also known locally as "mahang", has been used in traditional medicine due to its potential health benefits. Around 12 species of the Macaranga have been found to contain more than 50 flavonoid compounds, which are the primary secondary metabolites in this genus. Free radicals can lead to organ damage, resulting in various chronic and degenerative disorders. Active antioxidant compounds can help inhibit the oxidation process caused by free radicals, and phenolic compounds, mainly from the flavonoid group, are thought to be present in Macaranga hypoleuca as a source of natural antioxidants. This study aimed to identify the antioxidant potential of methanol extract and its fractions of M. hypoleuca using the DPPH, ABTS and FRAP methods using a UV-Vis spectrometer method, as well as to determine total phenol and total flavonoid levels. The highest antioxidant activity of the DPPH and ABTS methods was found in the ethyl acetate fraction with IC50 values of 14.31 and 2.10 mg/L respectively. Meanwhile, the highest antioxidant activity of the FRAP method was found in the butanol fraction with an IC50 value of 0.48 mg/L. The highest total phenol and flavonoid content was found in the butanol fraction at 27.51 mg GAE/g and 88.42 mg QE/g respectively.

Review on Cassia alata Bioactive Compounds: In silico, in vitro, and in vivo Studies.

Cassia alata Linn is a popular herbal remedy in many countries, and its activities have been studied through many studies, starting from in silico, in vitro, and in vivo. This narrative review will focus more on secondary metabolites that are responsible for certain pharmacological activities that have undergone in vivo, in vitro, and in silico testing to determine the underlying mechanism. Twenty pharmacological activities have been identified, with the flavonoid group (emodin, kaempferol, quercetin) as the most prevalent secondary metabolite found in Cassia alata. There have been numerous studies looking at the role of flavonoids about specific diseases, and flavonoid testing is quite thorough because it covers three different study types. However, there has not been significant progress accomplished in terms of the evaluation of the dosage form so that test results for promising activities like antidiabetic, antifungal, and antiviral can be carried out into further research. Additionally, several disorders lack comprehensive investigation, particularly in silico studies, therefore further study is required to fill any gaps in the knowledge.

Water Extract Have Superior Cytotoxic Effect Than Ethanolic Extract of Clinacanthus Nutans Leaves in Breast Cancer Stem Cells.

The rapid development of medical technology in managing breast cancer patients still cannot solve the problem of recurrence and resistance. One of the causes of recurrence and molecular resistance is the presence of breast cancer stem cells (BCSCs). Clinacanthus nutans (C.nutans) is a plant found in Medan, North Sumatra, Indonesia. This plant is believed to have anticancer activity in community. Our study aimed to assess phytochemical of C.nutans leaves, isolate breast cancer stem cells and determine the cytotoxic effects of the ethanolic extract and water extract of C.nutans leaves on breast cancer stem cells at 24, 48, and 72 h of observation. We underwent the cytotoxic test by using MTT assay and isolated breast cancer stem cells by using MACS and validated them by mammosphere test. We found alkaloids, flavonoids, glycosides and tannins in simplicia and all extracts. BCSCs was valid with the diameter of the mammosphere BCSCs was > 60 μm. The IC50 values of 100%, 60%, 40%, 20% EE, and WE of C.nutans leaves were 227.30; 46.05; 31.12; 98.54, and 16.16 μg/ml respectively in the first 24 hours. In administering WE of C.nutans leaves, BCSCs viability was decreased at 24,48 and 72 hours of observation, namely 69.29±26%; 75.82 ± 21.02% and 38.94±9.34 % (p < 0.0001). The WE of C.nutans leaves had more substantial cytotoxic potential against BCSCs than the EE. The capability of WE C.nutans leaves to suppress BCSC's viability was time-dependent. The anticancer activity were believed originate from alkaloid and flavonoid group.

Andaliman (Zanthoxylum acanthopodium DC.) fruit ethanolic extract exerts attenuative effect on hyperglycemia, sensory and motoric function's disorders in alloxan-induced diabetic mice.

Andaliman (Zanthoxylum acanthopodium) is a potent medicinal plant in Asia. This present study aimed to reveal the effectivity of Andaliman fruit extract in alleviating hyperglycemia, sensory and motoric balance disorders, histopathology of the cerebellum, and tissue oxidative stress in diabetic mice induced by alloxan. Diabetes induction was performed by intraperitoneally injecting alloxan monohydrate [200 mg/kg body weight (BW)]. Subsequently, the mice were treated daily with an ethanolic extract of Andaliman fruit (0, 150, 300, 450 mg/kg BW per oral) for 28 days, followed by measurements of blood glucose, paw sensitivity, motoric balance, histopathology of the cerebellum, and malondialdehyde (MDA) levels. Moreover, the phytochemical constituents of the extract were elucidated by liquid chromatography. Higher doses of Andaliman fruit extract could significantly attenuate the elevation of random and fasting blood glucose (p < 0.05) and improve paw sensitivity responses (p < 0.05) and motoric balances (p < 0.05) in diabetic mice. Moreover, Andaliman fruit extract could significantly attenuate the degeneration of cerebellar Purkinje cells (p < 0.05) and suppress MDA levels in the blood (p < 0.05) while blunting the MDA in the brain tissue (p < 0.05). Phytochemical screening revealed 39 compounds in the Andaliman extract belonging to the groups of alkaloids (26 compounds), flavonoids (12 compounds), and terpenoids (1 compound). The ethanolic extract of Andaliman fruit is capable of ameliorating diabetic neuropathy, motor balance disorders, and Purkinje cell degeneration while also reducing oxidative stress in the peripheral system. Hence, Andaliman extract is a promising candidate for formulation as an herbal remedy against the detrimental outcomes of diabetes mellitus.

Natural Products on Inflammatory Bowel Disease: Role of Gut Microbes.

Inflammatory bowel disease (IBD) refers to long-term medical conditions that involve inflammation of the digestive tract, and the global incidence and prevalence of IBD are on the rise. Gut microbes play an important role in maintaining the intestinal health of the host, and the occurrence, development, and therapeutic effects of IBD are closely related to the structural and functional changes of gut microbes. Published studies have shown that the natural products from traditional Chinese medicine have direct or indirect regulatory impacts on the composition and metabolism of the gut microbes. In this review, we summarize the research progress of several groups of natural products, i.e., flavonoids, alkaloids, saponins, polysaccharides, polyphenols, and terpenoids, for the therapeutic activities in relieving IBD symptoms. The role of gut microbes and their intestinal metabolites in managing the IBD is presented, with focusing on the mechanism of action of those natural products. Traditional Chinese medicine alleviated IBD symptoms by regulating gut microbes, providing important theoretical and practical basis for the treatment of variable inflammatory intestinal diseases.

Untargeted metabolomic in basil cell cultures - a case study of Ocimum basilicum L. var. minimum Alef.

Due to the lack of experimental databases, together with the chemical complexity and the dynamic nature of plants' metabolome, most of the metabolites in complex biological materials (like plant in vitro tissue cultures) are not-annotated, unidentified metabolites. In this study, a method for further metabolite characterization and classification based on the UPLC-HESI-HRMS/MS approach for small-leaved basil (Ocimum basilicum L. var. minimum Alef.) callus and cell suspension culture is presented. A total of 2168 metabolic features were detected, out of which the database for exact mass metabolic profiling for 1949 metabolites is presented here since there is no available database dedicated to O. basilicum. We further focused on secondary metabolites (particularly phenolic compounds). The presence of 60 different phenolic compounds belonging mainly to the groups of flavonoids, glycosides, terpenoids, and phenolic acids is confirmed. By comparing relative abundances of phenolic compounds from callus culture and cell suspension culture, both grown on two types of media, via svd-PCА, univariate analysis, post-hoc tests, and heatmapping of metabolites, we provided a practical example of how resources presented here can be further applied in tissue culture-based basil metabolomics studies. This study represents the first approach toward routine targeted investigation of secondary metabolites in basil in vitro cultures and provides various opportunities for new-generation analyses.

Influence and Mechanism of Traditional Chinese Medicine Intervention on Cognitive Dysfunction in Patients with Schizophrenia

This study investigates the impact and mechanisms of traditional Chinese medicine (TCM) intervention in patients with schizophrenia. In animal experiments, a total of 48 rats were randomly divided into four groups: control group (CG), model group (MG), Albizia flower flavonoid group (AFFG), and clozapine group (CLG). Each group consisted of 12 rats. After treatment, MK-801 was administered to the MG, AFFG, and CLG to establish schizophrenia rat models, while the CG received physiological saline. Cognitive abilities, hippocampal pathology, and protein expression were evaluated, and the expression levels of c-fos, cleaved Caspase-3, Bcl-2, and Bax were determined. In clinical trials, the study included 82 patients with schizophrenia treated at our hospital from February 2022 to February 2023. They were divided into the observation group (OG) and the experimental group (EG), with 41 cases in each group. The EG received aripiprazole and self-formulated TCM decoction, while the OG received aripiprazole. The PANSS scores and quality of life levels were compared. The results revealed impaired cognition, altered protein expression, and increased pathology in the MG compared to the CG. The AFFG and CLG exhibited enhanced cognition, improved protein expression, and reduced pathology when compared to the MG. Clinical findings demonstrated significantly lower PANSS scores and improved quality of life in the EG compared to the OG. In conclusion, Albizia flower flavonoids effectively modulated protein expression, ameliorated cognitive dysfunction, and reduced pathology. Additionally, the decoction decoction enhanced cognition and quality of life in patients with schizophrenia, suggesting promising clinical applications.

Potential of White Jack Bean (Canavalia ensiformis L. DC) Kefir as a Microencapsulated Antioxidant.

Oxidative stress plays a major role in the pathogenesis and progression of noncommunicable diseases. Kefir is a fermented food that has been reported to repress oxidative stress. This study aimed to assess the antioxidant activity, bioactive composition, and encapsulation efficiency of white jack bean (WJB) kefir. The following procedures were conducted: WJB was prepared and converted into juice using water solvent. The sterilized WJB juice was then fermented with kefir grain (10%) for 24∼72 h. Every 24 h, the kefir was evaluated for antioxidant activity, and the dominant bioactive component suspected to be the source of the antioxidant activity was identified. The final stage was the encapsulation process. WJB kefir showed high antioxidant activity, inhibiting DPPH radicals by 90.51±4.73% and ABTS radicals by 86.63±2.34% after 72 h of fermentation. WJB kefir contained 0.35±0.01 mg GAE/g total phenolics and 0.08 mg/g total flavonoids. The LC/MS identification suggested that the bioactive antioxidant components of the WJB kefir were from the alkaloid, saponin, phenolic, and flavonoid groups. The encapsulation with maltodextrin using freeze drying resulted in microencapsulation of WJB kefir with a particle size of 6.42±0.13 μm. The encapsulation efficiency was 79.61%, and the IC50 value was 32.62 ppm. The encapsulation method was able to maintain the antioxidant stability of the kefir and extend its shelf life. WJB kefir, a nondairy, lactose-free kefir, can be used as an antioxidant functional food.

The Potential of the Flavonoid Content of Ipomoea batatas L. as an Alternative Analog GLP-1 for Diabetes Type 2 Treatment-Systematic Review.

Ipomoea batatas L. (IBL) has gained significant popularity as a complementary therapy or herbal medicine in the treatment of anti-diabetes. This review seeks to explore the mechanism by which flavonoid compounds derived from IBL exert their anti-diabetic effects through the activation of GLP-1. The review article refers to the PRISMA guidelines. In order to carry out the literature search, electronic databases such as Science Direct, Crossref, Scopus, and Pubmed were utilized. The search query was based on specific keywords, including Ipomoea batatas OR sweet potato AND anti-diabetic OR hypoglycemic. After searching the databases, we found 1055 articles, but only 32 met the criteria for further review. IBL contains various compounds, including phenolic acid, flavonols, flavanols, flavones, and anthocyanins, which exhibit activity against anti-diabetes. Flavonols, flavanols, and flavones belong to a group of flavonoids that possess the ability to form complexes with AlCl3 and Ca2+. The intracellular L cells effectively retain Ca2+, leading to the subsequent release of GLP-1. Flavonols, flavones, and flavone groups have been found to strongly interact with DPP-IV, which inhibits the degradation of GLP-1. The anti-diabetic activity of IBL is attributed to the mechanism that effectively increases the duration of GLP-1 in the systemic system, thereby prolonging its half-life.

ISOLASI DAN UJI AKTIVITAS ANTIBAKTERI SENYAWA METABOLIT SEKUNDER DARI EKSTRAK METANOL DAUN MARPUYAN (Rhodamnia cinerea Jack.)

A study on isolation and antibacterial activity of secondary metabolites from the methanol extract of Marpuyan (Rhodamnia cinerea Jack.) Leaves on Escherichia coli has been carried out. Isolation was carried out by column chromatography methods. Whereas the antibacterial activity test was carried out using agar diffusion method. The results of the isolation produced 17.9 mg of RC-F13 isolate compound in the form of light yellow crystals, with a melting point of 170-172oC and soluble in methanol. The results of identification of RC- F13 isolate compounds through testing with AlCl3 reagents, positive including the flavonoid group, were strengthened by the results of the UV spectrum and FT-IR spectrum. Based on the results of the UV spectrum, it was seen that the RC- F13 isolate compound showed λ max 353.60, 257.00 and 209.20 nm. The FT-IR spectrum shows the presence of several functional groups such as OH, C aliphatic C-H, C = O carbonyl, C = C aromatic and C-O. testing the antibacterial activity of methanol extract with a concentration of 20%; 10%; 1%; 0.1% and 0.01%, fraction 13 at 1% concentration; 0.1% and 0.01% and RC- F13 isolate compound concentration of 0.1%, against Escherichia coli bacteria did not show any antibacterial activity which was marked by the absence of clear areas around the disc.

EFEKTIVITAS EKSTRAK ETANOL KULIT TERONG UNGU (Solanum melongena L.) SEBAGAI ANTIMALARIA TERHADAP JUMLAH BASOFIL DARAH MENCIT (Mus musculus) YANG DIINDUKSI Plasmodium berghei

Malaria is one of the disease which spreads through the bite of female Anopheles mosquito caused by Plasmodium parasite. Malaria can be treated with antimalarial drugs such as chloroquine and artemisin, but in some malaria-endemic areas, parasitic resistance to chloroquine has been reported so that malaria eradication becomes increasingly difficult. The occurrence of such resistance causes the need for new antimalarial findings. Eggplant (Solanum melongena L.) has many secondary metabolites, such as alkaloids, terpenoids, and flavonoids which have antiplasmodial activity. The aim of this research is to determine the effectivity of the ethanol extract of eggplant peels as an antimalarial to basophil in mice induced by Plasmodium berghei. Eggplant peel was extracted by maceration method using 70% ethanol. The analysis of secondary metabolites from the ethanol extract of eggplant peels used tube test and thin layer chromatography. The level of parasitemia and the number of basophil were calculated from blood smear of mice (Mus musculus) which were treated with extracts at a dose of 0.075 mg/20 g of body weight; 0.15 mg/20 of body weight; and 0.3 mg/20 g of body weight. 3.744 mg/20 g of body weight DHP was used as positive control and aquades was used as negative control. Research result show that ethanol extract of the eggplant peels contains groups of alkaloids, flavonoids, terpenoids, steroids, phenolic and saponins. 0.075 mg/20 g body weight of ethanol extract of the eggplant peels effectively reduces parasitemia. Ethanol extract of the eggplant peels in all dose groups did not have an effect on basophils. The conclusion of this research is ethanol extract of the eggplant peels has antimalarial activity and does not increase the number of basophils.

Identification of Tannin, Triterpenoid, and Flavonoid Function Groups of Jamblang Plants (Syzygium cumini): A Systematic Literature Review

Identification of the functional groups of tannins, triterpenoids, and flavonoids in jamblang is important to determine the type and content of bioactive compounds found in jamblang. By knowing the type and content of these bioactive compounds, the potential of jamblang as a traditional medicine can be further optimized. This study aims to explore the identification of tannin, triterpenoid, and flavonoid functional groups in jamblang. The literature search process was carried out on various databases (PubMed, Web of Sciences, EMBASE, Cochrane Libraries, and Google Scholar) regarding the identification of tannin, triterpenoid, and flavonoid functional groups in jamblang (Syzygium cumini). This study follows the preferred reporting items for systematic reviews and meta-analysis (PRISMA) recommendations. Jamblang contains various types of tannins, including catechins, gallotanins, and proanthocyanidins. Jamblang contains various types of triterpenoids, including phytosterols, triterpenoid saponins, and other triterpenoids. Jamblang contains various types of flavonoids, including flavonols, flavanones, and anthocyanins.

Post-Chromatographic Derivatization Coupled with Mass Spectrometry as a Method of Profiling and Identification of Antioxidants; Ligustrum vulgare Phytocomplex as an Example.

High-performance liquid chromatography (HPLC) and high-performance thin-layer chromatography (HPTLC) coupled with radical scavenging assays, such as 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) can be both used for the detection of the antioxidants in plant extracts. In this study, the ethanolic (70% v/v) extracts from different morphological parts of Ligustrum vulgare collected at different stages of maturity were used as the source of antioxidants. The final identification of antioxidants was performed using high-resolution mass spectroscopy (HRMS). As a result, 19 compounds with antioxidant properties detected with HPLC-ABTS assay and 10 compounds detected with HPTLC-DPPH/ABTS assay were identified, mostly from the group of iridoids, phenylethanoids, and flavonoids. When comparing different L. vulgare samples, it was found that the extracts obtained from leaves contained the greatest number of antioxidants. The results of this study suggest that HPTLC-DPPH/ABTS as well as HPLC-ABTS derivatization coupled with the HRMS can be successfully used for profiling and identification of antioxidants from natural sources. Planar chromatography is more suitable for screening multiple samples because of its simplicity, whereas more challenging liquid chromatography provides more detailed information and is therefore better for a selected set of samples.