剑麻膏中叶绿素铜钠盐的制备及性能测定.pdfVIP

４７ ２ Vol．４７ No．２ ２０１８ ２ Applied Chemical Industry Feb．２０１８ １ ２ ２ ，３ ２ ，３ ３ ， ， ， ， （１． ， ７１００２１；２．， ５３２１００ ；３．， ５３０００１） ：，、、。 ，pH ＝３，６５ ℃，６０ min； １．５ g，２ h；７５ ℃， ６０ min，pH ＝１２ ，４．４６％。 UV-VIS、IR ，，（ ＜１００ ℃） ，，，，，（） 。 ：；；； ：TQ ６１１．５ ；S ５６３．８；TS ２６４．４ ：A ：１６７１ －３２０６（２０１８）０２ －０２６２ －０６ １ ２ ２ ，３ ２ ，３ ３ LI Xiang ，LIN Wang-mei ，LI Hua-feng ，QIN You-kang ，HUANG Shang-shun （１．College of Chemistry and Chemical Engineering，Shaanxi University of Science and Technology，Xi’an ７１００２１，China； ２．Guangxi Zhongyi Biology Technology Limited Company，Chongzuo ５３２１００ ，China； ３．Guangxi Research Institute of Chemical Industry，Nanning ５３０００１，China） ：With chlorophyll from sisal residue as raw material，the effects of acidification，copper and saponification conditions on the yield of sodium copper chlorophyllin were studied．The results show that pH ＝３ ，temperature is ６５ ℃，acidification time is ６０ min；The amount of copper sulfate was １．５ g，and the time was ２ h；The saponification temperature is ７５ ℃，time is ６０ min，pH ＝１２ ，the product yield is ４．４６％．UV-VIS，IR showed that the product was sodium copper chlorophyllin，this product has good heat resistance （ ＜１００ ℃），stable under neutral and alkaline conditions，poor light fastness，the reductant is stable，and the stability is poor，it can be mixed with other food additives（common）．This study lays a foundation for resource utilization of sisal residue． ：saponification； copper； sodium copper chlorophyllin； physicochemical properties