Phytochemicals for Nutraceuticals From the By-Product of Palm Oil Refining

The oil palm industry plays an important role in the Malaysian economy in terms of employment and foreign exchange earnings. As the worldís largest producer of palm oil, Malaysia contributes more than 50% of global palm oil production. The palm oil processing industry, involving the processes of refining and fractionation, alone or in combination, is well developed in Malaysia. Most of the crude palm oil produced is processed locally for exports to overseas markets, mainly for foods applications. A by-product, known as palm fatty acid distillate (PFAD) is generated at the deacidification-deodorization stage of the refining process. Crude palm oil contains non-glyceride minor components which have been associated with health benefits, some of which are distilled off together with the free fatty acids to become part and parcel of the PFAD. The significance and potential of nutritionally useful palm-based compounds, falling into the category of phytochemicals in value-added applications, particularly in the nutraceuticals industry, has prompted research and development (R&D) in related areas.

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Understanding the Interactions of Diacylglycerols with Oils for Better Product Performance

Oils and fats consist of complex mixtures of triacylglycerols (TAGs), diacylglycerols (DAGs), free fatty acids and other minor components. The crystallization of TAG mixtures depends on the nature, chain length and saturation/unsaturation characteristics of the TAGs and the interaction of these TAGs with each other. The presence of DAGs further complicates the crystallization and melting […]