Abstract
Microcapsules containing a blend of red palm olein (red POo) and refined, bleached and deodorised palm stearin (RBD POs) in the ratio of 60 : 40 were prepared with various wall materials using a spray-drying technique. The total oil content of the microcapsules ranged from 398 to 683.2 g kg -1 . Surface oil and moisture content varied from 38.8 to 158.9 g kg -1 and 25 to 30 g kg -1 , respectively. Carotene retention after spray-drying and after storage depended on the oil content and types of wall materials, and ranged from 194.65 to 215.28 and 158.8 to 203.1 mg kg -1 , respectively. Microcapsules with the best characteristics were made from wall material containing proteinaceous material.
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