Abstract

The soybean and its constituents can vary in composition depending on such factors as the variety grown and climatic conditions. The soybean oil from such beans can also vary and the physical properties will also change markedly depending on the processing conditions. This chapter discusses the physical properties of soybeans and soybean products. Some of the physical properties discussed are density, viscosity, melting point, etc. Several of the physical properties of soybeans are useful in designing drying and storage facilities. One of them is the angle of repose, which in the case of soybeans is 27°. Densities of vegetable oils will vary with temperature and are inversely related to the molecular weights of the oils. There is a direct relationship with the degree of unsaturation. The densities of soybean oil at several temperatures have been illustrated in the chapter.

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