膜技术在茶香烟用香料分离、浓缩制备中的应用
Application of membrane technology in the separated and concentrated preparation of tea cigarette flavor
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摘要: 以制备的茶提取液为样品,分别经过微滤、超滤和反渗透等膜技术分离处理,对各分离样品进行化学分析与感官评价.实验结果表明,对于提取液中的茶多酚,主要在微滤及大分子量超滤时具有截留作用,而对于咖啡因各级膜截留效果不明显,膜技术的分离作用可以有效提高茶香烟用香料使用品质,最佳分离条件为100 kD超滤,反渗透浓缩样品则可较好地保留香气成分,增加头香,解决常规浓缩过程香味成分损失多的问题.Abstract: To prepared the tea extract using microfiltration,ultrafiltration and reverse osmosis of membrane technology,the separated sample by several membrane were analyzed and sensory evaluated.The experimental results showed that the tea polyphenols had the membrane interception mainly in microfilteation and macromolecule ultrafiltration membrane; there is no effect to seperated caffeine by using seperated membrane; the separation of membrane technology could effectively improve the quality when the flavor using in tobacco, and filered the 100 kD as the bested condition of ultrafiltration;while using the reverse osmosis to concentrated samples,it could be better to retain the aroma components, to solve the common problems of concentration.
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Key words:
- membrane technology /
- concentration /
- tea extract /
- cigarette flavoring
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