工夫红茶色泽与品质相关性研究

通过测定不同茶树品种原料经同一工艺加工所制而成的工夫红茶干茶、汤色及叶底色泽,并进行生化成分检测及品质审评,分析干茶、汤色及叶底色泽Lab值与各审评因子得分、色素含量、总得分的相关性。结果表明,干茶Lab值与其审评得分无显著相关;茶汤Lab值与其审评得分均呈极显著相关,其相关系数分别为-0.909、0.910、0.901;叶底L值与叶底得分无显著相关;a、b值与叶底得分呈极显著及显著正相关。茶褐素与汤色的L值呈极显著负相关,与a值呈显著正相关,与b值呈极显著正相关;茶黄素与叶底a值呈显著正相关,茶红素、茶褐素与叶底a、b值均呈极显著正相关。总分与色泽及色素之间的相关性表现为：与汤色、叶底L值呈...

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Bibliographic Details
Published in西南农业学报 Vol. 27; no. 6; pp. 2605 - 2610
Main Author 杨娟 袁林颖 钟应富 张莹 罗红玉 李中林
Format Journal Article
LanguageChinese
Published 重庆市农业科学院茶叶研究所,重庆永川,402160 2014
Subjects
品种
品质
相关性
红茶
色泽
Varietiy
Correlation
相关性
品种
Quality
Color
红茶
色泽
品质
Congou
Online AccessGet full text
ISSN1001-4829
DOI10.16213/j.cnki.scjas.2014.06.065

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Summary:通过测定不同茶树品种原料经同一工艺加工所制而成的工夫红茶干茶、汤色及叶底色泽,并进行生化成分检测及品质审评,分析干茶、汤色及叶底色泽Lab值与各审评因子得分、色素含量、总得分的相关性。结果表明,干茶Lab值与其审评得分无显著相关;茶汤Lab值与其审评得分均呈极显著相关,其相关系数分别为-0.909、0.910、0.901;叶底L值与叶底得分无显著相关;a、b值与叶底得分呈极显著及显著正相关。茶褐素与汤色的L值呈极显著负相关,与a值呈显著正相关,与b值呈极显著正相关;茶黄素与叶底a值呈显著正相关,茶红素、茶褐素与叶底a、b值均呈极显著正相关。总分与色泽及色素之间的相关性表现为：与汤色、叶底L值呈极显著或显著负相关;与汤色、叶底ab值及各色素含量间均呈极显著或显著正相关,其中相关性系数最高的为汤色的b值,为0.86。
Bibliography:By measuring the color of the dry tea,soup and Securinega,which were made of different varieties of tea with the same process,and done biochemical composition testing and quality review,the correlations of dry tea,soup and Securinega Lab color values with each factor assessment scores,pigment content and the total score were analyzed. Results showed that,there was no significant correlation between Lab values and its review score of dry tea; while the Lab values of the tea soup was showed a highly significant correlation with its review score,and the correlation coefficients were- 0. 909,0. 910,0. 901; and there was no significant correlation between the Securinega L value and its score,when its a,b value and Securinega score was significantly and positively correlated. TBs（ Theabrowns） showed a extremely significant negative correlation with soup＇s L value,while a significant positive correlation with a value and a extremely significant positive correlation with b values; TFs（ Theaflavins） and Securinega＇s a
ISSN:1001-4829
DOI:10.16213/j.cnki.scjas.2014.06.065