BS ISO 2451:2016 pdf download – Cocoa beans — Specification and quality requirements 5 Requirements 5.1 General requirements 5.1.1 Odour Lots of cocoa beans shall be free from contamination. 5.1.2 Adulteration Lots of cocoa beans shall be free from any evidence of adulteration. 5.1.3 Living insects and other infestation Lots of cocoa beans shall be virtually free from living insects, insect eggs, larvae, and any other developmental stages, free from mites, rodents, or other types of infestation. 5.1.4 Violet or purple beans Lots of cocoa beans shall be within the range for violet or purple beans, typical of the specified grade or origin. 5.2 Specific requirements 5.2.1 Cocoa related matter The combined mass of the cocoa related matter shall not exceed 3,5 % of the mass of the reference sample representing the lot. 5.2.2 Flat beans Flat beans shall not exceed 1,5 % of the mass of the reference sample representing the lot. 5.2.3 Foreign matter Foreign matter shall not exceed 0,75 % of the mass of the reference sample representing the lot. 5.2.4 Moisture content The moisture content of lots of cocoa beans on loading in the producing country shall not exceed 8,0 % by mass, and on discharge outside the producing country shall not exceed 7,5 % by mass. 5.2.5 Sieving The mass of the sieving shall be carried out in accordance with the method specified in Annex B should not exceed 1,5 % of the mass of the reference sample representing the lot. 5.3 Other quality characteristics Lots of cocoa beans shall be: — reasonably free from germinated beans; — uniform in size and colour; — fermented; — fit for production of foodstuff. 5.4 Grade determination 5.4.1 Classification for cocoa beans Lots of cocoa beans shall be classified according to the categories listed below. Either Table 1, Table 2, or Table 3 shall be used for the classification. For all three types of classifications, the proportion of beans with defects shall be determined by the test method specified in Annex E of this International Standard. As an exception, for the purpose of Table 3, germinated and flat beans shall not be considered as beans with defects. When a bean has several defects, it shall be classified in one category only, i.e. the least favourable. The decreasing order of gravity is as follows: — mouldy beans; — slaty beans; — insect-damaged beans; — germinated beans, flat beans (not...
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