非水溶性茶叶蛋白降血脂作用的研究

活泼; 黄光荣; 张晓晖; 夏泳; 蒋家新; 傅剑云; 章克昌

doi:10.13305/j.cnki.jts.2005.02.003

茶叶科学 >

2005 , Vol. 25 >Issue 2: 95 - 99

DOI: https://doi.org/10.13305/j.cnki.jts.2005.02.003

非水溶性茶叶蛋白降血脂作用的研究

活泼 ,
黄光荣 ,
张晓晖 ,
夏泳 ,
蒋家新 ,
傅剑云 ,
章克昌

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1. 浙江科技学院生物与化学工程学系,浙江杭州 310012;
2. 浙江省疾病控制与预防中心,浙江杭州 310018;
3. 江南大学工业生物技术教育部重点实验室,江苏无锡 214036

活泼（1962— ）,女,博士,研究员,研究方向：天然活性物质。

网络出版日期: 2019-09-16

基金资助

浙江省自然科学基金（Y304140）和江南大学国家教育部工业生物技术重点实验室资助

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Studies on Lipid-depressing Function of Water Insoluble Tea Protein

HUO Po ,
HUANG Guang-rong ,
ZHANG Xiao- hui ,
XIA Yong ,
JIANG Jia-xin ,
FU Jian-yun ,
ZHANG Ke-chang

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1. Department of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou 310012, China;
2. Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310009 China;
3. The Key Laboratory of Industry Biotechnology, Ministry of Education, Southern Yangtze University, Wuxi 214036, China

Online published: 2019-09-16

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摘要

研究了采用碱法从茶叶中提取非水溶性茶叶蛋白的工艺,茶叶蛋白提取率达61.1%。通过调节提取液pH值的方法制备粗蛋白,粗蛋白纯度为54.45%;以高血脂症大鼠为模型,研究了非水溶性茶叶蛋白的降血脂作用。结果表明：非水溶性茶叶蛋白能明显降低高血脂症大鼠血清TC、TG、LDL-C、AI和R-CHR指标（P<0.05）,对HDL-C有一定的调节作用;证明非水溶性茶叶蛋白有明显的降血脂效果,对抗动脉粥样硬化及冠心病可能有一定的预防作用。

关键词： 非水溶性茶叶蛋白; 高血脂症; 降脂作用

本文引用格式

活泼 , 黄光荣 , 张晓晖 , 夏泳 , 蒋家新 , 傅剑云 , 章克昌 . 非水溶性茶叶蛋白降血脂作用的研究[J]. 茶叶科学, 2005 , 25(2) : 95 -99 . DOI: 10.13305/j.cnki.jts.2005.02.003

Abstract

Alkali extraction technology of water insoluble protein from tea was studied. The extracting rate of tea protein was around 61.1%. The crude tea protein was prepared by adjusting pH of the extract and its purity was 54.45%.The effects of water insoluble tea protein on decreasing blood lipids were studied on the hyperlipidemia rats. Results showed that the protein had significant effects on decreasing TC、TG、LDL-C、AI and R-CHR in the hyperlipidemia rats(p<0.05). It could also modulate the HDL-C indexes. The results confirmed that the water insoluble tea protein had remarkable effects on decreasing the blood lipid of hyperlipidemia and possibly is preventing atherosclerosis and coronary heart disease.

Key words： Water insoluble tea protein; Hyperlipidemia; Lipid-decreasing

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