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RISS 인기검색어
- 검색키워드
- 저자 : Jamil A. Shilpi (검색결과 2 건)
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Chemical characterization and bioactivity of Trichosanthes dioica edible shoot extract
Md. Nazmul Hasan Zilani,Shaikh Jamal Uddin,Hemayet Hossain,Hazrina Hazni,Jamil A. Shilpi,Md. Golam Hossain 경희대학교 융합한의과학연구소 2018 Oriental Pharmacy and Experimental Medicine Vol.18 No.2
Present investigation was aimed to evaluate the traditional use of edible part of soft shoots of Trichosanthes dioica Roxb. (Cucurbitaceae) as an antidiabetic in mice model. In addition, antioxidant activity and chemical profiling of this plant part were also performed to support its observed activity. The extract was subjected to oral glucose tolerance test in normal and alloxan induced diabetic mice to explore its antihyperglycemic activity. Antioxidant capacity was analyzed by a number of in vitro assays. Quantification of bioactive polyphenols was done by HPLC. Liquid Chromatography coupled with Mass Spectrometry (LCMS) was used to identify chemical constituents present in the extract. Total polyphenol and flavonoids content were found in significant quantity. In DPPH radical scavenging assay the IC50 value of the extract was found to be 148.62 µg/mL. Reducing power of the extract was comparable with that of butylatedhydroxytoluene (BHT). HPLC analysis indicated that quercetin, rutin, p-coumaric acid and kaempferol were the major bioactive polyphenols present in the extract. Further chemical profiling using LCMS analysis was identified a total of nine compounds with different chemical classes. In OGTT, extract (400 mg/kg BW) showed a 31.13% decrease (p < 0.05) in blood glucose levels at 30 min compared to the normal control. In alloxan induced diabetic mice the extract at the doses of 200 mg and 400 mg/kg, showed significant decrease (p < 0.05) of blood glucose level compared to diabetic control. The extract showed oral glucose tolerance potential and antioxidant capacity which might be due to the presence of different compounds such as quercetin, rutin, kaempferol, oleanolic acid, β-sitosterol. The results support the scientific basis of it ethnobotanical uses in traditional medicinal practices of Bangladesh.
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Sheikh Julfikar Hossain,M Rabiul Islam,Tahmina Pervin,M Iftekharuzzaman,Omer A A Hamdi,Sanzida Mubassara,M Saifuzzaman,Jamil Ahmad Shilpi 한국식품영양과학회 2017 Preventive Nutrition and Food Science Vol.22 No.3
Fruits of Sonneratia apetala (Buch.-Ham.), (English: mangrove apple, Bengali: keora) both seeds and pericarps, are largely consumed as food besides their enormous medicinal application. The fruit seeds have high content of nutrients and bioactive components. The seeds powder of S. apetala was successively fractionated using n-hexane, diethyl ether, chloroform, ethyl acetate, and methanol. The fractions were used to evaluate antibacterial, anti-diarrhoeal, analgesic, and cytotoxic activities. Methanol fraction of seeds (MeS) stronly inhibited Escherichia coli strains, Salmonella Paratyphi A, Salmonella Typhi, Shigella dysenteriae, and Staphylococcus aureus except Vibrio cholerae at 500 μg/disc. All the fractions strongly inhibited castor oil induced diarrhoeal episodes and onset time in mice at 500 mg extract/kg body weight (P<0.001). At the same concentration, MeS had the strongest inhibitory activity on diarrhoeal episodes, whereas the n-hexane fraction (HS) significantly (P<0.05) prolonged diarrhoeal onset time as compared to positive control. Similarly, HS (P<0.005) inhibited acetic acid induced writhing in mice at 500 mg extract/kg, more than any other fraction. HS and diethyl ether fractions of seed strongly increased reaction time of mice in hot plate test at 500 mg extract/kg. All the fractions showed strong cytotoxic effects in brine shrimp lethality tests. Gas chromatography-mass spectrometry analysis of HS led to the identification of 23 compounds. Linoleic acid (29.9%), palmitic acid (23.2%), ascorbyl palmitate (21.2%), and stearic acid (10.5%) were the major compounds in HS. These results suggest that seeds of S. apetala could be of great use as nutraceuticals.
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