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Title: Optimization of extraction conditions of total phenol from lotus (Nelumbo nuficera Gaertn) rhizome
Authors: Yang, Dong-Mei
Zhu, Xing-Yi
Wang, Qiu-Shuang
Zhang, Qian
Wang, Hui-Li
Ying, Tie-Jin
Keywords: Ferric Reducing Antioxidant Power (FRAP);Lotus Rhizome Extracts;Optimization;Orthogonal Design;Phenol
Issue Date: Mar-2012
Publisher: NISCAIR-CSIR, India
Abstract: This study presents operating factors affecting yield of total phenol and ferric reducing antioxidant power (FRAP) value of extracts from lotus rhizome using orthogonal design experiment (L9(34)) based on single factor experiments. Optimum extraction conditions on yield of total phenol and FRAP value, respectively, were found as follows: ratio of material to liquid, 1 g: 6 ml, 1 g: 8 ml; extraction temperature, 70oC, 50oC; extraction time, 2 h, 0.5 h; and ethanol concentration, 40%, 40%.
Page(s): 200-204
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.71(03) [March 2012]

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