Processing Edible Oils
themselves to the bleaching clay par -cles. Filtering or centrifuging removes the clay par cles and the compounds a ©ached to the clay, resul ng in an oil that has the colorant compounds re-moved (Figure 5). Bleaching clay is a type of clay dug primarily in the south-ern United States. It may be either natural clay or ac vated with an acid
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