Optimization of Ginkgo protein extraction by response surface methology

ZHANG Xiu-yun; LI Dan-dan; MA Yan-fang

doi:10.13386/j.issn1002-0306.2016.04.051

ZHANG Xiu-yun, LI Dan-dan, MA Yan-fang. Optimization of Ginkgo protein extraction by response surface methology[J]. Science and Technology of Food Industry, 2016, (04): 299-302. DOI: 10.13386/j.issn1002-0306.2016.04.051

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Optimization of Ginkgo protein extraction by response surface methology

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Abstract

The response surface analysis method was used to study the Ginkgo protein extraction process on the basis of single factor experiment with Ginkgo for materials,the effect of Tris-HCl concentration,p H,solidliquid rate,extraction time on the protein extraction yield was inspected. The research results showed that the optimal conditions for ginkgo protein extraction:0.16 mol/L,p H8.7,1∶26(g/m L),and 5 h. Under this condition,the yield of Ginkgo protein was 82.76%,compared to the theoretical value,the relative error of 0.30%. Optimized regression equation derived some practical significance.

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