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Journal of Tea Science ›› 2003, Vol. 23 ›› Issue (2): 163-166.doi: 10.13305/j.cnki.jts.2003.02.015

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Study on the Status of Lead Content in Tea Gardens of Zhejiang Province

SHI Yuan-zhi, MA Li-feng, HAN Wen-yan, RUAN Jian-yun   

  1. Key Lab. of Tea Chemical Engineering, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China
  • Received:2003-03-12 Revised:2003-06-17 Online:2003-11-25 Published:2019-09-16

Abstract: The Lead content in tea leaves from main tea producing areas of Zhejiang Province and its affecting factors have been investigated. The results showed that the air deposit was one of the main sources for lead in tea leaves coming from. It could decrease the lead content to a certain extent when fresh leaves were washed. The lead contents in tea leaves had a significantly positive relationship with the available lead contents in the soil, therefore, reducing the available lead content in the soil would be one of the effective ways to reduce the lead content in tea leaves.

Key words: Tea raw material, Lead contents, Air settlement, Relativity

CLC Number: