[2Dp] Food Analysis

[2Dp-11] Comparison of colorimetric methods for the analysis of total polyphenols in tea

*Kokoro Matsushita¹, Chihiro Honda¹, Yoriyuki Nakamura², Shigenori Kumazawa¹ (1. Graduate School of Integrated Pharmaceutical and Nutritional Science, University of Shizuoka, 2. Tea Science Center, University of Shizuoka)

Keywords:Colorimetric method, Folin-Ciocalteu method, Iron tartrate method, Total polyphenol contents, tea