When extraction solvent acetic acid to alcohol ratio was 1 : 5 , solid to liquid ratio was 1 : 15 , 40 , 36hours , the bacteriostasis of chilli extraction was best 当提取剂中乙酸:乙醇为1 : 5 ,固液比为1 : 15 ,提取温度为40 ,时间为36小时辣椒提取物的抑茵效果最佳。
Using various extraction solvent to distill polysaccharide and protein of codonopsis pilosula , and atomic absorption spectrometer to determine the selenium content of all component parts 采用不同的浸提液提取党参中的多糖和蛋白质,用原子吸收法测定它们各组分中的含硒量。