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Agricultural Product Standards Act, 1990 (Act No. 119 of 1990)

Regulations

Regulations relating to Tea and related products intended for sale in the Republic of South Africa

Part V : Sampling and Analysis

19. Analysis

 

(1) Samples shall be analysed using the latest versions of the methods set out in Table 3.

 

(2) Notwithstanding the requirements in sub-regulation (1) above, any other method which is accepted and approved by the Association of Official Agricultural Chemists (AOAC) or the International Organization for Standardization (ISO) may be used: Provided that—
(a) the method concerned has been validated;
(b) the laboratory concerned employing this method has been accredited (e.g. by SANAS); and
(c) the laboratory concerned conducts proficiency testing/ inter-laboratory comparisons.

 

TABLE 3

METHODS OF ANALYSIS

 

Nature of determination

Method
(a) Caffeine content

ISO 10727 : 2002
(b) Total ash (on a dry basis)

A0AC 920.100A
(c) Water soluble extract/matter (on a dry basis)

A0AC 920.100B

 

(3) When the results of the analysis performed deviate from the prescribed compositional requirements for the product concerned, the whole batch from which the relevant samples were obtained shall be regarded as non-compliant.