树脂纯化前后玫瑰花红色素的稳定性研究.pdfVIP

安徽农业科学，Journal ofAnhui A ．Sci．2008，36(12)：4817—4819 责任编辑 罗芸 责任校对 李洪 树脂纯化前后玫瑰花红色素的稳定性研究 陈伟，孟宪军 ，马天卉，回茵，刘乃侨(辽宁经济职业技术学院，辽宁沈阳110122) 摘要 『目的]为玫瑰花红色素的实际应用提供理论依据。[方法]通过研究贮藏条件、不同添加剂和金属离子对纯化前后玫瑰花红色 素稳定性的影响。比较纯化前后玫瑰花红色素的稳定性。[结果]该色素稳定性由强到弱的贮藏条件依次是：低温避光室温避光室 温光照。纯化后的色素在不同储藏条件下的稳定性均高于纯化前的。0，02％～0．04％抗坏血酸对色素的储藏不利，而且对纯化后色素 的破坏性强于对纯化前色素的。0．02％～0．04％的亚硫酸钠对色素的稳定性有增强作用。在测试时间内，纯化后的玫瑰花色素在F 、 Sn2 离子溶液中保存8 d后的吸光值大于未添加金属离子的溶液，在pb2 和 离子溶液中，色素的保存率为75，6％和77．5％。[结论] 与纯化前的色素的稳定性相比，纯化后的色素在一些常见离子中的稳定性较强。 关键词 玫瑰花红色素；纯化；稳定性 中图分类号 $685．12 文献标识码 A 文章编号 0517—66l1(2O08)12—04817—03 Studies 0fthe Stability 0f Bed Roses Pigm~t I~fore and a_t~r Pl】蛹 by Resin aⅡN Wei et al(Ⅱ蛐 Economic and Polytechnic College，Shenyang，Li~oning 110122) Abstract [Objective]The aim ofthe research、vasto supp~theoretical basisforthe practical application of rose red pigment．(MethodJThe stabilities of rose red pigment beforeand after purificationwere comparedthrough rese鲫 出e effectsof storage condition，different additives andmetalions Oilits stabilitybeforeandafter purification．[Result]The stabilities ofthe pigment under different storage conditionsin orderwere：lowtemperaturein dark room terrg~raturein darkroomten~oeratureinlight．The stabilities ofpurified pigmentunderdifferent storage conditionswere higherthanthatofunpu— rifled pigment．0．0 ％ ～0．O4％ ascorbic acid wos unfavorablefor the storage ofpigment and its destructiveness Oil pm4fied pigment岫 strongerthan that Oil unpurified pigment．0．0 ％ ～0．04％sodium sul【phite hadincreasing effect Oilthe stability ofpigment．Inthetestingtime．the absorbance valueofpu— rifled rose red pigment stored in Vd and Sn2 ion solution for 8 d WaS bigger than that in the solution without metal ions；in eb2 and ion solu． tions，the preserving rates ofpigment were 75．6％and 77．5％．【ConclusionJ co唧 with the stability of anpuriiied pigment，the stability ofpurified pigment in sortie eomlnon ions WaS slx