Study on Extraction Technology of Plant Protein from Fruit Pomace of Gardenia jasminoides Ellis

Abstract

Abstract: An extraction method of natural plant protein from gardenia fruit pomace was studied by means of the theory of alkali extraction and acid precipitation. The optimum extraction process was established through L9(34) orthogonal test plan. Ratio of solid to liquid,pH value,temperature and time were selected to investigate their effects on the extraction rate of plant protein from gardenia fruit pomace. The orthogonal test results showed that the optimum conditions are as follows:ratio of solid to liquid 1:20,solution pH 9.0,extraction time 1.5 h and temperature 40 ℃. The major factor affecting the extration of plant protein is solution pH value.

Key words: gardenia fruit pomace, plant protein, extraction, orthogonal test

WU Xiao-Hua, LIU Dan, CHEN Yu-Xia, HUANG Yu, SU Wei. Study on Extraction Technology of Plant Protein from Fruit Pomace of Gardenia jasminoides Ellis[J]. FOOD SCIENCE, 2008, 29(12): 336-338.

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Study on Extraction Technology of Plant Protein from Fruit Pomace of Gardenia jasminoides Ellis

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