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云南野生蓝莓花青素提取工艺研究.pdf

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2015年四川省食品科学技术学会四川省营养学会学术年会 云南野生蓝莓花青素提取工艺研究 付晓萍1,刘芬1,张云鹤1,韩中惠1,王雪峰1,谷大海1,黄启超1,高志江27范江平 (1.云南农业大学食品科技学院,云南昆明;2.云南省文山农业学校,云南丈山) 摘 要:【目的]蓝莓果实中富含花青素,是制取天然抗氧化剂的理想原料。[方法]以云南野 生蓝莓为原料,采用单因素和正交实验法,研究了甲醇体积分数、时间、温度、料液比、pH等对影 50 响花青素提取效果的影响。[结果]研究结果表明云南野生蓝莓花青素提取的最佳工艺为:以l:1 取量可以达到64 3.6mg/g,提取效果佳,有广泛应用前景。 关键词:云南野生蓝莓;花青素;抗氧化;提取 Extractionand of fromtheYunnan purificationpigment wildblueberries Fu Yun—hel,Han Da—Hail. Xiao-pin91.Liu—Fen91,Zhang Zhong—huil,WangXue.fen91,Gu HuangQi.cha01,GaoZhi-jian92,Fan Jiang—ping++ ofFoodScienceand (1.College Technology,YunNanAgricultural Yunnan Wenshan school,WenShan.663000) Agricultural wasaimto Abstract:【Objective】Thisstudy evaluatethe ofofYunnanwild extracts process blueberry Itissuitablematerialfortheextraction ofnatural effectsofdifferent pigment.[Methods]Theparameters suchasextractingreagment andtheratioof to were concentration,temperature,time,Phsamplereagent studiedforthe extraction factor and optimalpigment bysingle experimentorthogonaltest.[Results】The conditionswereobtainedas valueof optimum follows:extractingreagent50%ethanol,50。C,pH5.0,rate of tothe 1:150,and wild extracthas antioxidant sample reagent 5h.[Conclusion]Yunnanblueberry strong aswell
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