Studies on the fermentation and curing of cocoa beans
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Date
1983
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Department of Plantation Crops and Spices, College of Horticulture, Vellanikkara
Abstract
Investigations conducted at the College of Horticulture, Vellanikkara during 1979-81 indicated mini- basket lined with banana leaves and mini- box as the methods suitable for fermenting small quantities of beans . These methods were chosen from among the seven studied , based on the temperature development in the ferment and on the result s of the cut test.
Polythene sheet was found to be a poor insulating material as compared to banana leaves having led to unsatisfactory aeration and low temperature build up during fermentation.
Fermentation during the dry season was found to be better with respect to the fermentation characteristics and physical quality characteristics of the beans.
Fermentation of beans from yellow /ripe pods and over-ripe pods gave higher proportion of commercially acceptable beans . The cured beans had desirable PH and good physical quality characteristics.
Storing the harvested pods for two to six days before the extraction of beans for fermentation led to the development of optimum temperature in the ferment , desirable pH in the dried and the production of a higher proportion of commercially acceptable beans. Storing the cured beans increased the proportion of commercially acceptable beans . An increase in the pH of the beans was also observed during the 28-week storage.
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171116