Extraction and identification of an antioxidative component from peanut hulls | Zendy

Duh PinDer | Zendy; Yeh DongBor | Zendy; Yen GowChin | Zendy

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Extraction and identification of an antioxidative component from peanut hulls

Author(s) -

Duh PinDer,

Yeh DongBor,

Yen GowChin

Publication year - 1992

Publication title -

journal of the american oil chemists' society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.512

H-Index - 117

eISSN - 1558-9331

pISSN - 0003-021X

DOI - 10.1007/bf02635922

Subject(s) - chemistry , butylated hydroxyanisole , chromatography , antioxidant , extraction (chemistry) , linoleic acid , high performance liquid chromatography , methanol , yield (engineering) , organic chemistry , fatty acid , materials science , metallurgy

Methanol extraction of hulls from Tainan select no. 9 (P‐9) and Tainan no. 11 (P‐11) peanuts produced a higher yield of a component having stronger antioxidant activity (AOA) than other organic solvents. The AOA of methanolic extracts from peanut hulls was equal to butylated hydroxyanisole and stronger than α ‐tocopherol. The methanolic extract from peanut (P‐11) hulls was separated into 18 fractions by thin‐layer chromatography (TLC). High antioxidant activity was found in subfractions with R f s of 0.20, 0.25, 0.28, 0.31 and 0.37 at 95.6%, 93.8%, 94.7%, 92.0% and 81.6% inhibition of peroxidation of linoleic acid, respectively. Further purification of the subfraction eluting at 0.20 yielded a compound with antioxidant activity of 94.8%. Based on high‐performance liquid chromatography (HPLC) analysis, ultraviolet (UV) spectra and 1 H nuclear magnetic resonance (NMR), this compound was identified as luteolin.

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