摘要
研究了以纯正、高火香型绿茶为原料的两类茶饮料在高温灭菌前后,分别在37℃和4℃下贮藏7 d后,对茶多酚、氨基酸、蛋白质、总糖等常规化学成分、儿茶素组分、香气组分以及色差、浊度的变化,同时结合色泽、香气、滋味等感官品质进行审评。结果表明,(1)高温式灭菌处理对茶样香气、滋味均有不利影响,易产生熟味或闷味;(2)不同的贮藏方式对香气、滋味的影响差异显著,高火香型茶饮料长时间存放对滋味品质较为不利,宜在短期内饮用;纯正香型茶饮料则可使用低温方式保存,高温易使内质风味显著劣变;(3)低温贮藏在一定程度上可有效缓解茶饮料色泽的劣变,高温则加速汤色黄化。
Abstract
Two beverages made from raw teas with pure and high-fire flavors respectively were studied for their suitability before and after sterilization with high temperature, and stored at the temperature of 37℃ and 4℃ for 7 d, respectively, by measuring polyphenols, amino acids, protein, total sugar and other chemical components, and catechin components, aroma components as well as color, turbidity, combined with color, aroma, taste and other sensory evaluation. The results showed that (1) Sterilization at high temperature was easy to produce cooked taste or frowzily smell, resulting in adverse effects on aroma and taste. (2) Different storage methods had significant impact on the aroma and taste, tea beverage with high-fire aromatic taste should be consumed in a short period storage; tea beverage with pure flavor could be saved at low-temperature for relatively long time, and the flavor could be deteriorated at high temperature. (3) Cold storage to a certain extent could effectively alleviate the color deterioration of tea beverage, and hot would accelerate etiolation of tea drink.
关键词
风味 /
饮料适制性 /
原料茶
Key words
flavor /
raw materials /
suitable for tea beverage
袁海波, 许勇泉, 邓余良, 尹军峰.
两种香型原料茶饮料适制性研究[J]. 茶叶科学. 2010, 30(S1): 544-550
YUAN Hai-bo, XU Yong-quan, DENG Yu-liang, YIN Jun-feng.
Study on the Beverage Suitability of Two Different Flavour Types of Raw Teas[J]. Journal of Tea Science. 2010, 30(S1): 544-550
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
参考文献
[1] 赵亚利. 茶饮料与咖啡饮料发展的驱动力分析——健康、技术与市场的交汇[J]. 中国饮料, 2010, 5: 83-86.
[2] 尹军峰, 林智, 谭俊峰, 等. 绿茶初制工艺对饮料加工特性的影响[J]. 茶叶科学, 2005, 25(3): 189-196.
[3] 叶国注, 袁海波, 江用文, 等. Bayes逐步判别法在绿茶板栗香化学识别上的应用[J]. 茶叶科学, 2009, 29(1): 27-33.
[4] 叶国注, 江用文, 尹军峰, 等. 板栗香型绿茶香气成分特征研究[J]. 茶叶科学, 2009, 29(5): 385-394.
[5] 倪德江, 陈玉琼, 袁芳亭, 等. 绿针茶加工过程中叶绿素的变化与色泽品质的形成[J]. 华南农业大学学报, 1996, 15(6): 594-597.
基金
浙江省重大科技专项农业项目(2008C12038)、农业部重点实验室开放课题(2010K1003)