公开号:CN101045730公开日:2007.10.03申请人:河北理工大学一种天然叶绿素铁锌盐的制备方法,属于天然色素的制备领域。其方法是:将蚕沙用破碎机破碎、软化、浸提,向浸提后的叶绿素溶液中加入10% NaOH溶液调节试液pH值,经加热、减压蒸馏回收溶剂;将皂化后的溶液冷却后转入分液漏斗中,加入石油醚振荡、萃取、收集叶绿素钠盐水溶液并将其放 Publication Number: CN101045730 Publication date: 2007.10.03 Applicant: 河北 理工 大学 Method for preparing natural chlorophyll iron zinc salt, belonging to the field of preparation of natural pigment. The method comprises the following steps: crushing, softening and extracting silkworm excrement with a crusher, adding 10% NaOH solution into the extracted chlorophyllum solution to adjust the pH value of the test solution, recovering the solvent through heating and vacuum distillation, and returning the saponified solution After cooling, transfer to a separatory funnel, add petroleum ether, shake, extract, and collect chlorophyllin sodium salt solution