分光测色计在β-胡萝卜素微胶囊干粉中的应用研究  

Application research of spectrophotometer in microencapsulation of β-carotene

作　　者：刘爱琴[1] 罗超杰[1] 王超英[1] 俞丽芳[1] 许新德[1] 张艳纹[1] 

机构地区：[1]浙江医药股份有限公司新昌制药厂,新昌312500

出　　处：《中国食品添加剂》2013年第4期179-183,共5页China Food Additives

摘　　要：β-胡萝卜干粉1%CWS是一种经微胶囊技术制备而成的、可冷水溶解的、便于使用的产品。其基本色调为黄色,主要适用于水基食品、速溶食品、布丁、糖果和乳制品等的着色和营养强化。本文介绍了分光测色剂的测量方法及应用,并用该仪器对不同浓度的β-胡萝卜素干粉1%CWS水溶液进行颜色检测,得出了代表其颜色的L*,a*,b*值的范围,建立了该产品的颜色控制标准。结果为:β-胡萝卜素干粉1%CWS 20ppm水溶液的L*,a*,b*值范围依次为68 78、22 27、113 126;200ppm水溶液的L*、a*、b*值范围依次为45 52、23 29、74 85。β-carotene powder 1% CWS is a cold water soluble,convenient product which was preparated by the microencapsulating technology.The product was yellow and was applicated to the fortification and coloration of water based food,instant products,puddings,confectionery and milk products.The measurement method and application of spectrophotometer was introduced.The aqueous solution of different concentration β-carotene powder 1% CWS was measured with this instrument.The data range of L＊,a＊,b＊ respesenting its color was determined.The standard for color was established.The result is that： β-carotene powder 1% CWS 20ppm aqueous solution of the product： L ＊,68 78;a＊,22 27;b ＊,113 126;200ppm aqueous solution of the product： L ＊,45 52;a ＊,23 29;b＊,74 85。

关 键 词：β-胡萝卜干粉 分光测色计 微胶囊 颜色 范围 

分 类 号：TS202.3[轻工技术与工程—食品科学]