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Journal of Tea Science ›› 2008, Vol. 28 ›› Issue (4): 273-276.doi: 10.13305/j.cnki.jts.2008.04.010

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Study on Adsorption Behaviors of Theanine on HD-8 Macroporous Anion Resin

GONG Yu-shun1,2, HUANG Jian-an2, LIU Zhong-hua1,2,*, YANG Zhi-hui1, LI Juan1   

  1. 1. Key Laboratory of Tea Science of Ministry of Education, Hunan Agricultural University;
    2. Department of Botanical Resource Engneering, Hunan Agricultural University, Changsha 410128, China
  • Received:2008-03-28 Online:2008-08-15 Published:2019-09-12

Abstract: The investigation on the adsorption behaviors of theanine on HD-8 macroporous anion resin were conducted. Effect of PH on adsorption of theanine was not obvious within range of 2~7. The adsorption data fit well into the Freundlich isotherm equation within temperature range of 303~323 K and investigative concentration range. The rate of adsorption was under control by some factors simultaneously such as film diffusion and chemical reaction.

Key words: macroporous anion resin, theanine, adsorption

CLC Number: