中国农业大学学报2012，Vol.17Issue(3)：131-137,7.
山药无糖酸豆奶的制备及降血脂功能研究
Preparation of Chinese yam sugar-free soybeanyogurt and analysis of its antihyperlipidemicrole
摘要
Abstract
By supplementation of Chinese yam extracts and the functional sweetener agent to the soybean milk,and controlling the content of fermenting sugar for lactic acid bacteria,the present study is designed to develop a kind of lipid lowering,sugar-free soybean yoghurt with stable post-fermentation quality.The study was performed by screening the bacteria strains for fermentation firstly,followed by controlling the fermentation quality by evaluation the sensory changes of the product with different pH,then the formula was optimized through orthogonal test,finally the effect of the product（used as intervention feed） on the serum lipid was investigated by using high serum lipid model rats established by high lipid feed.The results showed the desirable recipe for the product was soybean milk 75.6%,Chinese yam extraction 12%,fresh milk 5%,maltitol 5.9%,Streptococcus thermophilus H 1% and Lactobacillus bulgaricus 0.5%.The mixture was then incubated at 42 ℃ for 10 hours.The resulted product tastes well but with no bitter flavor,and it posses appropriate viscosityand stable post-fermentation quality.The product significantly reduced the serum total cholesterol（TC）,triglyceride（TG）,low-density lipoprotein（LDL-C） levels of model rats,and the above effects were increased along with the increase of the dosage applied.The results also indicated that supplementation with yam extracts can significantly improve this kind of effect.The techniques developed in this study can solve the unstable quality problem associated with fermentation.The product also has the potential to decrease the blood lipid level in rats.It can be used as functional food for diabetes and high cholesterol patients.关键词
山药/无糖酸豆奶/后发酵/降血脂Key words
Chinese yam/sugar-free soybean yoghurt/post fermentation/lowering blood lipids分类
轻工纺织引用本文复制引用
许效群,王如福,刘志芳,田夏,赵媛..山药无糖酸豆奶的制备及降血脂功能研究[J].中国农业大学学报,2012,17(3):131-137,7.基金项目
山西省科技攻关项目 （）
