In this research, quality of tea leaves to aluminum (Al) and fluorine (F) interaction were studied, and five indices (polyphenols, caffeine, free amino acids, vitamin C and chlorophyll concentrations) in tea leaves (variety Anji Baicha and zhirenzaocha) were investigated after 30 d in hydroponic culture. The nutrient solution was treated by the interaction of Al (0, 30, 90 mg/L) and F (0, 4, 12 mg/L). The results were summarized as follows: With 30 mg/L of the single Al, the contents of polyphenols, caffine, free amino acids, vitamin C and chlorophyll in tea leaves were increased. But when the concentration of Al was 90 mg/L, the contents of above components in tea leaves were decreased. These components in tea leaves were increased under the treatment of 4 mg/L of the single F and decreased with the treatment of 12 mg/L of the single F. In the process of aluminum and fluorine interaction, the contents of these components in tea leaves of Anji Baicha were increased during the treatments of Al/F ratioin 30/4, 30/12, 90/4 and 90/12. However, zhirenzaocha were decreased. The results showed that tea quality improved in low concentration of aluminum or fluorine. Meanwhile, the variance effect of interaction was correlated to different proportion of Al/F and the proportion of Al/F for better quality of Anji Baicha and zhirenzaocha was different indicating there existed a varietal difference.
Key words：
Al; F; tea; quality
WANG Xiao-ping
,
LIU Peng
,
LUO Hong
,
XIE Zhong-lei
,
XU Gen-di
,
CHEN Li-jun
. Effect of Al and F Interaction on the Tea Quality[J]. Journal of Tea Science, 2009
, 29(1)
: 9
-14
.
DOI: 10.13305/j.cnki.jts.2009.1.002
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