1.School of Chemical Engineering,Shijiazhuang University, Shijiazhuang 050035, China; 2. Shijiazhuang Luquan District Animal Health Inspection Institute ,Shijiazhuang 050200, China
By using the method of water solvent,orthogonal process conditions of extracting nutrients from old leaves of toona sinensis roem were studied. The research resluts show that: under the optimum technological conditions, extracting time is 3 h, solid-liquid ratio is 1∶20 ( g / mL ), the extraction temperature is 100 ℃, the nutrient was extracted from 25.0 g old leaves of toona sinensis roem powder, the crude product yield can reach 27.4%, the crude product structure was characteried by one-dimensional infrared spectroscopy and second-derivative infrared spectroscopy and the main chemical composition is polysaccharides.
解立斌，张美娟，赵永会，于宏伟. 香椿老叶中营养物的提取工艺研究[J]. 煤炭与化工, 2016, 39(4): 30-32，119.
Xie Libin, Zhang Meijuan, Zhao Yonghui, Yu Hongwei. Study on extraction process of nutrient from old leaves of toona sinensis roem. CCI, 2016, 39(4): 30-32，119.
