Daftar Isi: Flavonoid Compounds from the Herb of Krokot (Lygodium microphyllum) and their antioxidant activity against DPPH

Main Authors:	Kuncoro, Hadi; Faculty of Pharmacy, Mulawarwan University, Samarinda, 75119, Kalimantan Timur, Farabi, Kindi; Faculty of Pharmacy, Mulawarwan University, Samarinda, 75119, Kalimantan Timur, Rijai, Laode; Faculty of Pharmacy, Mulawarwan University, Samarinda, 75119, Kalimantan Timur, Julaeha, Euis; Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Sumedang, Supratman, Unang; Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Sumedang, Shiono, Yoshihito; Department of Bioresources Engineering, Faculty of Agriculture, Yamagata University, Tsuruoka-shi, Yamagata 997-8555
Other Authors:	Directorate General of Higher Education, Ministry of Research, Technology and Higher Education, Indonesia for its funding through Competitive Research Grant and PKPI Sandwich Like 2015 Scholarship
Format:	Article info application/pdf eJournal
Bahasa:	eng
Terbitan:	ITB Journal Publisher, LPPM ITB , 2018
Subjects:	Chemistry Natural Products Chemistry Antioxidant DPPH flavonoids Lygodium microphyllum Lygodiaceae
Online Access:	http://journals.itb.ac.id/index.php/jmfs/article/view/5598 http://journals.itb.ac.id/index.php/jmfs/article/view/5598/3058

Daftar Isi:

Six flavonoid compounds, kaempferol (1), quercetin (2), acacetin (3), quercetin-3-O-β-D-glucopyranoside (4), kaempferol-3-O-β-D-glucopyranoside (5), and isorhamnetin-3-O-β-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 μg/mL.