| 1. | The extraction technology of carotenoid from arctium lappa l is under study in this paper , and the effects of factors like extraction temperature , extraction times , granularity of burdock dusts , and solid - liquid ratio on the extraction rate of carotenoid are examined through single factor and orthogonal experiment 摘要考察了牛蒡中类胡萝卜素的提取工艺,并通过单因素实验和正交试验研究了提取温度、提取次数、物料粉碎粒度、料液比等因素对类胡萝卜素提取率的影响。 |