GB/T 8313-2018
Determination of total polyphenols and catechins content in tea (English Version)

Standard No.

GB/T 8313-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 8313-2018

Replace

GB/T 8313-2008

Scope

This standard specifies the method for determining the content of catechins in tea by high performance liquid chromatography (HPLC), and the method for determining the content of tea polyphenols in tea by spectrophotometry. This standard applies to the determination of catechins and tea polyphenols in tea and tea products.

GB/T 8313-2018 Referenced Document

• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8302 Tea.Sampling
• GB/T 8303 Tea.Preparation of ground sample and determination of dry matter content

GB/T 8313-2018 history

• 2018 GB/T 8313-2018 Determination of total polyphenols and catechins content in tea
• 2008 GB/T 8313-2008 Determination of total polyphenols and catechins content in tea
• 2002 GB/T 8313-2002 Tea--Determination of tea polyphenols content