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首页> 中文期刊> 《食品科学与人类健康（英文）》 >Antioxidants, anti-proliferative, anti-inflammatory, anti-diabetic and anti-microbial effects of isolated compounds from Swertia corymbosa (Grieb.) Wight ex C.B. Clark – An in vitro approach

Antioxidants, anti-proliferative, anti-inflammatory, anti-diabetic and anti-microbial effects of isolated compounds from Swertia corymbosa (Grieb.) Wight ex C.B. Clark – An in vitro approach

         
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The present study,antioxidant,enzyme inhibitory,anti-inflammatory and antimicrobial activity of isolated compounds such as Decussatin(1),Gentiacaulein(2),Swertianin(3),1,8-dihydroxy-2,6-dimethoxy xanthone(methylswertianin)(4)8-hydroxy-1,2,4,6-tetramethoxyxanthone(5)and 1,2-dihydroxy-6-methoxyxanthone-8-O--d-xylopyranosyl(6)were investigated using an in vitro model.Results of antioxidant studies revealed that the compound 6 possessed an efficient 2,2-diphenyl-1-picryl-hydrazyl(DPPH•)(IC5007.19±4.56μmol/mL),2,2-azinobis(3-ethylbenzothiozoline-6-sulfonic acid)(ABTS•^+)(42.62±0.25 mmol/L TE/g),superoxide(57.89±3.45μmol/mL),nitric oxide(18.45±1.23μmol/mL)and hydroxyl(12.13±2.76μmol/mL)radical scavenging activities,ferric reducing antioxidant power(14.76±0.10 molar Fe(II)/g),metal chelating(213.85±27.18 mg EDTA/g)ability.Compounds 6 and 3 exhibited significant anti-proliferative activity.Compound 6 displayed strongest antibacterial activity against Streptococcus pneumoniae and Escherichia coli with MIC value of 3.90μg/mL and 21.21±0.25 and 20.27±0.11 mm zone of inhibition at 25μg/mL concentration respectively.In the membrane stabilization and protein denaturation test 3 was the most potent with an IC50 value of 12.57,18.75μmol/mL respectively.

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