Yield of starch and by-products in the processing of different varieties of wrinkled peas on a pilot scale
1997
Meuser, F. | Pahne, N. | Moller, M.
A recently developed pilot-scale process for the extraction of starch and by-products from wrinkled peas was used to determine the attainable yield and purity of starch and by-products from different varieties of these peas. It was shown that the starch yield mainly depends on the removal of the starch from the fibers. From the pilot scale experiments, it could be concluded that, for an industrial process, the optimum values of the total starch yield of wrinkled peas and the purity of the starch in relation to the starch content of the starch fraction would be approximately 80 and 98%, respectively. The best possible value that can be achieved for mechanic separation of the protein from the starch is in the range of 1.5% protein content of the starch fraction. The protein content can be adjusted values less than or equal to 0.5% by alkali extraction of the starch fraction. Similar positive results cannot be achieved for the other fractions. In addition, the wet flow balance in the pilot plant demonstrated that the process water flows can only be limited to an economically feasible size when applying membrane filter technology.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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