核农学报2017，Vol.31Issue(10)：1946-1954,9.DOI:10.11869/j.issn.100-8551.2017.10.1946
玉米须类胡萝卜素的提取及其稳定性
Study on the Extraction and Stability of Carotenoid in Corn Silk
摘要
Abstract
In this paper,for further development of corn silk,key factors related to the extraction yield of carotenoid from abandoned corn silk were studied such as extraction solvent,ultrasonic time,surfactant,extraction temperature,extraction time,liquid-solid ratio and stirring speed.The effects of light,pH value,nutrition element,and ultrasonic time on stability were also researched in this paper.The results showed that the optimum technology conditions were extraction solvent of acetone,ultrasonic time of 6 min,SDS disage of 1.6％,extraction temperature of 35℃,the extraction time of 45 min,liquid-solid ratio fo 13 mL· g-1 and stirring speed of 125 r· min-1,the extraction rate is 311.21 mg · kg-1,which is consistent with the theoretical prediction (value of 313.96 mg· kg-1).The carotenoid is sensitive to in bright light,extraction temperature,high acid-base property,nutrition elements such as Ca2+,Mg2+,Fe2+,Fe3+,Zn2+,and ultrasonic treatment for a long time.What the carotenoid relatively stable under dark surroundings,neutral environment,and nutrition elements such as Na+,K+ were favorable for its preservation.Appropriate ultrasonic treatment can improve the extraction efficiency and save time and without significantly affecting the stability of carotenoids in maize.The efficient use of carotenoids in corn beetles is of great significance for deep processing of corn and reduction of environmental pollutiono关键词
玉米须/类胡萝卜素/提取/稳定性Key words
corn silk/carotenoid/extraction/stability引用本文复制引用
敖艳,全沁果,马良..玉米须类胡萝卜素的提取及其稳定性[J].核农学报,2017,31(10):1946-1954,9.基金项目
重庆市研究生教育教学改革研究项目(yjg20163010) （yjg20163010）
