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Optimized Extraction Conditions and Stability of Purple Cabbage Pigment(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年10期
Page:
127-130
Research Field:
Publishing date:

Info

Title:
Optimized Extraction Conditions and Stability of Purple Cabbage Pigment
Author(s):
WEN Yue-bing1ZOU Yu1HU Li-ming2TIAN Mi-xia1
1.College of Life Science,Dalian Nationalities University,Dalian,Liaoning 116600;
2.Department of Quartermaster,Air Force Logistics College,Xuzhou,Jiangsu 221006
Keywords:
purple cabbagepigmentextraction conditionstability
PACS:
TS 202.3
DOI:
-
Abstract:
Taking purple cabbage as material,the optimum extraction conditions of purple cabbage pigment and effect of temperature,light,metal ions and food additives on pigment stability were studied.The results showed the optimum extraction conditions as follows:extractant,30% ethanol;liquid-solid rate,25∶1 mL/g;extraction temperature,30℃;extraction time,40 min.Under these conditions,the largest color value of pigment extraction was 8.4 U/mL.Heat and light could reduce the stability of purple cabbage pigment.Some metal ions such as Cu2+,Fe2+ and Fe3+ could change its color.The pigment was relatively stable under glucose,sucrose,potassium sorbate and sodium benzoate solutions,but the citric acid might lead to increase in its color.

References:

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Last Update: 2014-08-06