文献类型：期刊文献

中文题名：不同干燥方法对栀子黄色素品质的影响

英文题名：Effect of different drying techniques on the properties of Gardenia yellow pigment

作者：刘伟[1,2] 黄立新[1,2] 张彩虹[1,2] 谢普军[1,2]

第一作者：刘伟

机构：[1]中国林业科学研究院林产化学工业研究所,生物质化学利用国家工程实验室,国家林业局林产化学工程重点开放性实验室,江苏省生物质能源与材料重点实验室;[2]中国林业科学研究院,林业新技术研究所

年份：2012

卷号：33

期号：10

起止页码：257-259

中文期刊名：食品工业科技

外文期刊名：Science and Technology of Food Industry

收录：CSTPCD;;北大核心:【北大核心2011】；CSCD:【CSCD2011_2012】；

基金：国家863项目(2011AA100802-9);国家林业局重点科研项目(2011-02);中国林科院林业新技术研究所基本科研业务费专项基金(CAFINT2010KO5)

语种：中文

中文关键词：栀子黄色素;干燥;色价;色差;能耗

外文关键词：Gardenia yellow pigment; drying; color value; color difference; energy consumption

分类号：TS201.1

摘要：选择喷雾干燥、冷冻干燥和低温真空干燥三种方法对天然栀子黄色素进行干燥研究。通过粉末产品的品质(含水量、色价和色差)以及微观形态等性能指标的分析,发现喷雾、冷冻及低温真空干燥处理下的栀子黄色素产品含水量、色价及色差分别为2.89%、5.13%、5.94%,82.3、88.5、87.9,81.79、73.63和73.88;SEM表明喷雾干燥产品粉末微观形态均一,多呈凹球形;而低温真空干燥和冷冻干燥的粉末产品形状多样且不规则。3种干燥方式的能耗进行比较得知,喷雾干燥能耗最低,低温真空干燥次之,冷冻干燥能耗最大。综合产品品质和经济效益考虑,低温真空干燥适合于天然栀子黄色素的制粉加工。
Spray drying,freeze drying and low-temperature vacuum drying were selected for the dehydration of Gardenia yellow pigment solutions.Through the comparison of the qualities and microcosmic morphology of Gardenia yellow pigment powder,it was found that the products＇ moisture content,color value and color difference dealt with spray drying,freeze drying and low-temperature vacuum drying were 2.89%,5.13% and 5.94%,82.3,88.5 and 87.9,81.79,73.63 and 73.88.SEM showed that the spray-dried powder had a uniform microscopic form of concave spherical.Meanwhile,the powder dried by low-temperature vacuum drying and freeze drying were in various shapes and irregular.Finally the energy consumption of three different drying methods were computed,spray drying got the lowest energy consumption and followed by low-temperature vacuum drying and freeze drying.In consideration of product quality and economic efficiency,low-temperature vacuum drying was suitable for drying of natural pigments.