Abstract
AbstractSimarouba glauca is a rich source of fat, having a melting point of about 29°C and consisting of palmitic (12.5%), stearic (27%) and oleic (56%) as major fatty acids. It consists of about 30% of symmetrical monounsaturated‐type triacylglycerols and appears to be a good source of fat for preparation of cocoa butter (CB) extender. The stearin fraction (35% yield) obtained by solvent fractionation showed an increased supercooling property and a sudden rise in temperature during solidification compared to native fat as shown by cooling curves. The fraction had a narrow melting range and consisted of a high content (66%) of symmetrical monounsaturated‐type triacylglycerols like CB. The fraction was compatible with CB even at 50% substitution. In addition, the fraction did not affect the formation of stable or other polymorphic forms of CB at different tempering conditions. The fraction obtained by dry fractionation also had properties similar to that obtained by solvent fractionation. The conditions of the fractionation determine the yield of stearin, which in turn alters the melting characteristics of the fractions. The stearin obtained after removal of about 60–65% olein was found to be suitable as a CB extender to replace up to 25% of CB in chocolate products.
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