flavone glycosides
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Author(s):  
S. Lekshmipriya ◽  
M. R. Pandya ◽  
Bijal Prajapati

Introduction: Guduchi is a highly potential drug which is mentioned in Ayurveda classics. The clinical utility of this drug is widely known. The Tinospora species are wrapped under the broad spectrum Guduchiin the Ayurveda classics. Tinospora is one of the important genera of the family, consisting of about 15 species. Some medicinally important species includes T. cordifolia, T. malabarica, T. tomentosa, T. crispa, T. uliginosa, T. crispaetc. In the current article the drug Tinospora crispa is considered in detail.Tinospora crispa is used irrationally by the society owing to its various therapeutic benefits. Tinospora crispa (L.) Hook. f. & Thomson (Menispermaceae), found in the rainforests or mixed deciduous forests in Asia and Africa, is used in traditional medicines to treat numerous health conditions. Materials & Methods: A detailed review of the drug has been carried out through the available literature. After considering the review the analytical profiling of the drug has been done.The phytochemical analyses review of T. crispa revealed the presence of alkaloids, flavonoids, and flavone glycosides, triterpenes, diterpenes and diterpene glycosides, cis clerodane-type furanoditerpenoids, lactones, sterols, lignans, and nucleosides. The literary review showed that the crude extracts and isolated compounds of T. crispa possessed a broad range of pharmacological activities such as anti-inflammatory, antioxidant, immunomodulatory, cytotoxic, antimalarial, cardioprotective, and anti-diabetic activities.So, in the current research study a sincere attempt has been made to study regarding the drug Tinospora crispa through its analytical profile. Results: Through this research article able to make out the available literature and the analytical profile of the drug Tinospora crispa. Discussion: The current analytical profile reveals the presence of alkaloids, tannins, flavonoids, saponins etc which directly connects to the various activities like Anti-pyretic, Anti- inflammatory, Antioxidant etc of the drug Tinospora crispa. Conclusion: The current research study points towards the review of the drug and the analytical profile which is beneficial to carry out the next phase of research studies in connection with this drug Tinospora crispa.


Foods ◽  
2021 ◽  
Vol 10 (10) ◽  
pp. 2345
Author(s):  
Nektaria Tsivelika ◽  
Maria Irakli ◽  
Athanasios Mavromatis ◽  
Paschalina Chatzopoulou ◽  
Anastasia Karioti

The phenolic profile of Greek chamomile populations was investigated by HPLC-PDA-MS. For comparison, three commercial varieties (Banatska, Lutea and Goral) cultivated under the same conditions were included in the study. All samples exhibited similar qualitative patterns but differed in their quantitative characteristics. Overall, 29 constituents were detected, belonging to phenolic acids, flavonol glycosides, flavone glycosides (mainly apigenin derivatives) and acylated polyamines. Quantitative results showed that both Greek populations had a high content in apigenin derivatives (0.39 and 0.31 %w/w) and caffeoylquinic acids (0.96 and 0.81 %w/w), whereas they had the highest amount of flavonol glycosides among the tested samples. Greek populations were comparable to the Banatska variety, while they were superior to the Lutea and Goral varieties cultivated under the same conditions. Results demonstrate that Greek chamomile populations studied here, are an excellent source of a wide range of phenolics which contribute to the medicinal and antioxidant properties of this herbal remedy. Antioxidant tests showed that chamomile extracts from the studied materials, especially from the Greek populations possess antioxidant activity, corresponding to their polyphenol content. This is the first report on the phenolic constituents of Matricaria recutita growing in Greece and well-established chamomile varieties.


Molecules ◽  
2021 ◽  
Vol 26 (18) ◽  
pp. 5631
Author(s):  
Katarzyna Jakimiuk ◽  
Jakub W. Strawa ◽  
Sebastian Granica ◽  
Michał Tomczyk

Three new flavone glycosides, one known flavone glycoside, and the phenolic derivative apiopaenonside were isolated and identified from the ethyl acetate fraction of the aerial parts of Scleranthus perennis. The planar structures were elucidated through extensive analysis of UV-Vis, IR, and 1H NMR and 13C NMR spectral data, including the 2D techniques COSY, HSQC, and HMBC, as well as ESI mass spectrometry. The isolated compounds were established as 5,7,3′-trihydroxy-4′-acetoxyflavone-8-C-β-d-xylopyranoside-2′′-O-glucoside (1), 5,7,3′-trihydroxy-4′-methoxyflavone-8-C-β-d-xylopyranoside-2′′-O-glucoside (2), 5,7-dihydroxy-3′-methoxy-4′-acetoxyflavone-8-C-β-d-xylopyranoside-2′′-O-glucoside (3), 5,7-dihydroxy-3′-methoxy-4′-acetoxyflavone-8-C-β-d-xylopyranoside-2′′-O-(4′′′-acetoxy)-glucoside (4), and apiopaenonside (5). Moreover, all isolated compounds were evaluated for anti-collagenase activity. All compounds exhibited moderate inhibitory activity with IC50 values ranging from 36.06 to 70.24 µM.


2021 ◽  
Vol 12 ◽  
Author(s):  
Guruprasad C. Nille ◽  
Shardendu Kumar Mishra ◽  
Anand Kumar Chaudhary ◽  
K. R. C. Reddy

Avartaki (Senna auriculata (L.) Roxb. syn. Cassia auriculata L.; Family- Fabaceae ) is a traditional medicinal plant, widely used for the treatment of various ailments in Ayurveda and Siddha system of medicine in India. Almost all the parts of the plant, such as flowers, leaves, seeds, barks, and roots have been reported for their medicinal uses. Traditionally, it has been used in the treatment of diabetes, asthma, rheumatism, dysentery, skin disease, and metabolic disorders. The principle phytochemicals in Senna auriculata (L.) Roxb. are alkaloids, anthraquinone, flavone glycosides, sugar, saponins, phenols, terpenoids, flavonoids, tannins, steroids, palmitic acid, linoleic acid, benzoic acid 2-hydroxyl methyl ester, 1-methyl butyl ester, resorcinol, α-tocopherol-β-D-mannosidase, epicatechin, ferulic acid, quercetin-3-O-rutinoside, quercetin, proanthocyanidin B1. The extracts from its different parts and their isolated compounds possess a wide range of pharmacological activities such as antidiabetic, antioxidant, anti-inflammatory, antihyperlipidemic, hepatoprotective, nephroprotective, cardioprotective, anti-atherosclerotic, anticancer, antimutagenic, antimicrobial, antiulcer, antipyretic, anthelmintic, immunomodulatory, antifertility, anti-venom, and anti-melanogenesis. The toxicological findings from preclinical studies ensured the safety of the plant, but comprehensive clinical studies are required for the safety and efficacy of the plant in humans. The current review article aimed to provide up-to-date information about Senna auriculata (L.) Roxb. covering its ethnomedicinal, phytochemical, pharmacological, and toxicological aspects with special emphasis on its clinical implications in diabetes.


2021 ◽  
Vol 44 ◽  
pp. 169-172
Author(s):  
Pham The Chinh ◽  
Pham Thi Tham ◽  
Pham Thi Thu Giang ◽  
Nguyen Ha Thanh ◽  
Luu The Anh ◽  
...  

2021 ◽  
Vol 63 (2) ◽  
pp. 3-6
Author(s):  
Tran Duc Dai ◽  
◽  
Dao Duc Thien ◽  
Nguyen Thanh Tam ◽  
◽  
...  

Four flavone glycosides including apigenin 7-O-β-glucoside (1), chrysoeriol 7-O-β-glucoside (2), rhoifolin (3), and 3′-methoxyapiin(4) were isolated from the n-butanol extract of the whole plant Uraria crinita collected in the phu Tho province, Vietnam. Their structures were elucidated by 1D- and 2D-NMR spectra and compared with those reported in the literature. Compounds 1-3 were obtained from the genus Uraria for the first time.


Foods ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 1070
Author(s):  
Mengwan Li ◽  
Ying Shen ◽  
Tiejun Ling ◽  
Chi-Tang Ho ◽  
Daxiang Li ◽  
...  

Zijuan tea (Camellia sinensis var. assamica cv. Zijuan) is a unique purple tea. Recently, purple tea has drawn much attention for its special flavor and health benefits. However, the characteristic compounds of purple tea compared with green tea have not been reported yet. The present study employed a non-targeted metabolomics approach based on ultra-high performance liquid chromatography (UHPLC)-Orbitrap-tandem mass spectrometry (MS/MS) for comprehensive analysis of characteristic metabolites between Zijuan purple tea (ZJT) and Yunkang green tea (YKT). Partial least squares-discriminant analysis (PLS-DA) indicated that there are significant differences in chemical profiles between ZJT and YKT. A total of 66 major differential metabolites included catechins, proanthocyanins, flavonol and flavone glycosides, phenolic acids, amino acids and alkaloids were identified in ZJT. Among them, anthocyanins are the most characteristic metabolites. Nine glycosides of anthocyanins and six glycosides of proanthocyanins were found to be significantly higher in ZJT than that in YKT. Subsequently, pathway analysis revealed that ZJT might generate anthocyanins and proanthocyanins through the flavonol and flavone glycosides. Furthermore, quantitative analysis showed absolutely higher concentrations of total anthocyanins in ZJT, which correlated with the metabolomics results. This study presented the comprehensive chemical profiling and the characterized metabolites of ZJT. These results also provided chemical evidence for potential health functions of ZJT


Planta Medica ◽  
2021 ◽  
Author(s):  
Žarko Kulić ◽  
Stefan Germer ◽  
Thomas Ritter ◽  
Birgit Röck ◽  
Jens Elsäßer ◽  
...  

AbstractThe Ginkgo extract EGb 761® manufactured with leaves of Ginkgo biloba has been continuously produced over decades at a large scale and is used as a clinically proven remedy for, among other things, the improvement of age-associated cognitive impairment and quality of life in patients with mild dementia. It belongs to the class of extracts addressed as quantified extracts according to the European Pharmacopeia. Accordingly, several compounds (e.g., flavone glycosides and terpene trilactones) are acknowledged to contribute to its clinical efficacy. Covering only about 30% of the mass balance, these characterized compounds are accompanied by a larger fraction of additional compounds, which might also contribute to the clinical efficacy and safety of the extract. As part of our systematic research to fully characterize the constituents of Ginkgo extract EGb 761, we focus on the structural class of proanthocyanidins in the present study. Structural insights into the proanthocyanidins present in EGb 761 and a quantitative method for their determination using HPLC are shown. The proanthocyanidins were found to be of oligomeric to polymeric structure, which yield delphinidin and cyanidin as main building blocks after acidic hydrolysis. A validated HPLC method for quantification of the anthocyanidins was developed in which delphinidin and cyanidin were detected after hydrolysis of the proanthocyanidins. The content of proanthocyanidins in Ginkgo extract EGb 761 was found to be approximately 7%.


2020 ◽  
Vol 2020 ◽  
pp. 1-13
Author(s):  
Kun-Ping Li ◽  
Min Yuan ◽  
Chang-Le Liu ◽  
Ze-yu Liang ◽  
Tian-Ling Pan ◽  
...  

Microctis Folium (MF), the dried leaves of Microcos paniculata, is widely used as a medical and food dual-purpose herb in South-east Asia and China. However, the quality control of MF is not well studied. A simple and reliable quality control method was urgently needed for its growing usage. Herein, at first, its main active components were identified by UPLC-ESI-qTOF-MS, and a representative MF flavone glycosides profile consisting of ten compounds was illustrated, which is the most detailed one up to now. Successively, using vitexin as the reference substance, a novel QAMS method with HPLC for quantification of the ten identified flavone glycosides was developed and methodologically validated. Furthermore, making use of the abovementioned QAMS method, quantitative profiling of 21 batches of prepared MF slices collected from different hospital pharmacies were performed. As a result, the total contents of ten flavone glucosides and the content of specific compound showed obvious variations. Using the ten compounds’ contents dataset, the 21 batches of samples were divided into two distinct clusters by HCA. In sum, our results indicated that it was of great importance to take quality control of prepared MF slices and we presented a robust and simple method for their quantitative determination, which should be beneficial for the quality control of MF and its derived products.


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