T/SXQCA 012-2024 Active Group standards

T/SXQCA 012-2024 The counting method for Conidiobolus in tea leaves

Publish Date: 2024-12-31 Implement Date: 2025-01-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SXQCA 012-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Tea

Publish Date: 2024-12-31

Implement Date: 2025-01-31

Scope

Scope: This document specifies the plate count method for Coronopus cicatricans in tea. This document is applicable to the counting of Coronopus cicatricans in tea. Main technical content: The main technical content of the group standard "Counting Method for Coronopus cicatricans in Tea" is as follows: 1. Sample preparation: Sampling methods for compact tea and other types of tea are specified. The sampling methods, sampling points, and sampling quantities for different quality and types of tea are clarified. 2. When diluting the sample, sterile phosphate buffer solution is used to prepare a 1:10 sample suspension, and the suspension is homogenized with a percussion homogenizer for 2 minutes. 3. An innovative Coronopus cicatricans culture medium is developed, and its components, preparation method, and storage method are specified. 4. The typical morphological characteristics of Coronopus cicatricans on the Coronopus cicatricans culture medium are clarified, and the spore morphology of Coronopus cicatricans under microscopic observation is described, with accompanying reference figures.