Generation of Mannitol from Copra Meal |
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| Authors: | STRETSEI SAITTAGAROON SHUNRO KAWAKISHI MITSUO NAMIKI |
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| Affiliation: | Authors Saiftagaroon, Kawakishi, and Namiki are affiliated with the Dept. food Science Technology, Faculty of Agriculture, Nagoya Univ., Chikusa-ku, Nagoya-shi 464, Japan. |
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| Abstract: | Saccharification of copra meal with hydrochloric acid was found to be suitable method for forming reducing sugars. The presence of protein and lignin in the meal did not have a significant effect on the yield of reducing sugars. Borohydride reduction of the reducing sugars gave sugar alcohols in 44% yield based on the raw material or 81% based on carbohydrate content. The sugar alcohol mixture contained 66% mannitol, 24% sorbitol and 5% galactitol. The recovery of hydrochloric acid which renders the process more economically feasible was done by vacuum distillation. |
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