Badan Riset dan Inovasi Nasional
07-11-2022
12-08-2024
54735c6c-8cf5-46db-8872-7b73b891a03e
Lygodium microphyllum is an invasive climbing fern weed that has become aggressi...
Two steroids, stigma-5(6)-en-3β-ol or β-sitosterol (1) and Stigmast-4-en-3-one (...
Two steroids, stigma-5(6)-en-3β-ol or β-sitosterol (1) and Stigmast-4-en-3-one (...
Flavonol compounds, quercetin (1) and quercetin-3-O-β-D-glucopyranoside (2) have...
A known naphthalene, isoeleutherol (1), was isolated from the herb of Lygodium m...
INFORMASI: Data berikut ini masih dalam proses pemenuhan Prinsip SDI.
Flavonoid Compounds from Krokot Herb (Lygodium microphyllum) and their Antioxidant Activity against DPPH
Six flavonoid compounds, kaempferol (1), quercetin (2), acacetin (3), quercetin-3-O--D-glucopyranoside (4), kaempferol-3-O--D-glucopyranoside (5), and isorhamnetin-3-O--D-glucopyranoside (6), were isolated from the methanol extract of the Lygodium microphyllum herb. The chemical structures of compounds 1-6 were identified on the basis of spectroscopic evidence and comparison with previously reported spectral data. Compounds 1-6 were isolated for first time from this plant. Their antioxidant activity against DPPH (2,2- Diphenyl-1-picrylhydrazyl) was evaluated. Among the compounds, quercetin (2) showed high antioxidant activity with IC50 values of 6.94 ± 0.03 g/mL