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Technological Study on Making Sodium Copper Chlorophyllin from Bamboo-Leaves

LIU Li ping 1, ZHANG Shu rong 2, DAI Da ying 1 (1. College of Environment and Chemistry & Chemical Engineering,Chongqing University,Chongqing 400044,China 2. Dept.of Chemistry,Chongqing Medical Institute of Staffs and Workers,Chongqing 4000  
The sodium copper chlorophyllin was made from bamboo leaves.The technological process that first 20% CuSO 4 displaced Mg 2+ in chlorophyll was studied and then copper chlorophyllin was saponified could reduce losses of chlorophyll in processing and save volume of organic solvent and shorten reaction time.The parameters of technological process were as follows:the replacement time of 20% CuSO 4 and chlorophyll was 30 min in conditions of 80% alcohol、2~3 pH and 50℃;pH value of solution was adjusted 11 by 10% NaOH and saponification time was 15 min in conditions of distillation and stir.The semifinished product of soudium copper chlorophyllin was purified through a series of steps.The product with purity A 1% 1cm 405 nm≥568,A 405 /A 630 3.3~4.0 was got.
【CateGory Index】: TQ91
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