Optimization of extraction parameters of bioactive components from defatted marigold (Tagetes erecta L.) residue using response surface methodology

被引：121

作者：

Gong, Ying ^{[1
]}

Hou, Zhanqun ^{[1
]}

Gao, Yanxiang ^{[1
]}

Xue, Yansong ^{[1
]}

Liu, Xin ^{[1
]}

Liu, Guangmin ^{[1
]}

机构：

[1] China Agr Univ, Coll Food Sci & Nutr Engn, Beijing 100083, Peoples R China

来源：

FOOD AND BIOPRODUCTS PROCESSING | 2012年 / 90卷 / C1期

关键词：

Marigold residue; Response surface methodology; Total phenolics; Total flavonoids; Antioxidant activity; RADICAL SCAVENGING ACTIVITY; PHENOLIC-COMPOUNDS; ANTIOXIDANT ACTIVITY; CAPACITY; FRUITS; CONSTITUENTS; BERRIES; LEAVES; OIL;

D O I：

10.1016/j.fbp.2010.12.004

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Response surface methodology (RSM) was used to estimate the optimum extraction parameters, in which the antioxidant activity (AA) of the extract from the defatted marigold residue was the strongest. The AA of marigold extracts was investigated by the radical scavenging activity assays ((2,2-azinobis-(3-ethylbenzothiazolin-6-sulfonic acid) (ABTS) and 1,1-diphenyl-2-picrylhydrazyl (DPPH)). Results demonstrated that AA was significantly affected by the content of total. phenolics (TP) and total flavonoids (TFA) (p<0.0001). The optimal extraction parameters of marigold extracts for the highest AA by ABTS method were ethanol concentration of 79.7%, extraction temperature of 74.2 degrees C and time of 8.1 h, and by DPPH assay with 89.3% of ethanol concentration at 81.5 degrees C for 11.1 h, AA values were 2.42 and 1.86 mmol TE/g, respectively. (C) 2010 The Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

引用

页码：9 / 16

页数：8

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