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Phosphatides in American soy beans and oil

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Oil & Soap


It has been found that the precipitate separating from clarified expressed crude oil from soy beans grown in North Carolina and Virginia is composed chiefly of phosphatides. Methods have been described for the determination of phosphatide phosphorus in soy beans which is applicable to seeds in general and in the oil. Soy beans of the more important varieties used by the oil mills both in the Eastern and Middle West States have been examined for their respective phosphatide content. With but few exceptions it was found that the beans grown in the East contained less phosphatides than those from the West, which indicated that the quantity of these substances present is not a factor in causing a partial separation of them in some oils but not in others. Regardless of whether or not a separation of phosphatides takes place, all the crude soy bean oils which have been examined so far have contained notable quantities of them.

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  1. Jr. Oil and Fat Ind.3, p. 352, 1926.

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Jamieson, G.S., McKinney, R.S. Phosphatides in American soy beans and oil. Oil Soap 12, 70–72 (1935).

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