Process optimization of γ-aminobutyric acid from germinated brown rice by circulating countercurrent extraction method

MA Tao; LIU Li-xia; ZHAO Xu; WANG Bo; LIU He; HUI Li-juan; HE Yu-tang

doi:10.13386/j.issn1002-0306.2015.14.043

MA Tao, LIU Li-xia, ZHAO Xu, WANG Bo, LIU He, HUI Li-juan, HE Yu-tang. Process optimization of γ-aminobutyric acid from germinated brown rice by circulating countercurrent extraction method[J]. Science and Technology of Food Industry, 2015, (14): 249-253. DOI: 10.13386/j.issn1002-0306.2015.14.043

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Process optimization of γ-aminobutyric acid from germinated brown rice by circulating countercurrent extraction method

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By using water as extraction solvent,the laboratory simulation of dynamic countercurrent extraction method and response surface experimental design method were used for optimizing process conditions ofγ-aminobutyric acid from germinated brown rice. The experimental results showed that the optimal extraction conditions were single stage extraction time for 59 min at 51℃,a liquid material ratio 5.9∶1(m L/g) and extracted from the series 3. Under this conditions,the average extraction rate of GABA could reach 89.35%。

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Science and Technology of Food Industry

Process optimization of γ-aminobutyric acid from germinated brown rice by circulating countercurrent extraction method

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