GB/T 8313-2018

Active

Determination of total polyphenols and catechins content in tea

茶叶中茶多酚和儿茶素类含量的检测方法

Standard Type

GBT

ICS

67.140.10

CCS

X55

Status

Active

Issue Date

2018-07-13

Implementation

2018-11-01

Centralized Committee

中华全国供销合作总社

Issuing Authority

国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the spectrophotometric and high-performance liquid chromatography (HPLC) methods for determining total polyphenols and individual catechins in tea. It is applied in the tea industry for quality control, product labeling, and research, ensuring consistency in health-related claims and processing standards across green, black, and oolong teas.

Related Standards

NY/T 838-2004 Test method of Fluorine in tea - Electrode method for selection of Fluorine ion NY/T 781-2004 Lu'an Guapian Tea NY/T 782-2004 Huangshan Maofeng Tea NY/T 604-2006 Green coffee NY/T 605-2006 Roasted Coffee GB/T 19181-2003 Green coffee--Guidance on methods of specification GB/T 18007-1999 Coffee and its products--Vocabulary GB/T 14487-1993 The terms of tea sensory tests

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.