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Abstract
Development of Ice Cream Formulation from Custard Apple Using Mucilage Powder from Hairy Basil Seed (Ocimum canum Sims) as a Stabilizer
The optimal level of custard apple in ice cream production was investigated. The results showed that the viscosity and %overrun of custard apple ice cream increased while the melting rate significantly decreased as the level of custard apple increased. The 10% custard apple ice cream gave the highest sensory score in terms of flavor, texture and overall liking. Utilization of mucilage powder at 0.1, 0.2, 0.3 and 0.4% (w/w) prepared from hairy basil seed (Ocimum canum Sims) in custard apple ice cream was studied. The results showed that the viscosity and %overrun of custard apple ice cream increased while the melting rate significantly decreased as the level of mucilage powder increased. Custard apple ice cream contained 0.4% (w/w) mucilage powder gave the highest sensory score in terms of texture, melting in mouth and overall liking. In contrast, no significant differences between ice cream contained 0.4% (w/w) mucilage powder and control formula were found in terms of texture, melting in mouth and overall liking. The proximate analysis of custard apple ice cream was as following: 72.26% moisture, 2.47% protein, 8.09% fat, 10.04% fiber, 0.59% ash, and 6.55% carbohydrate. The fiber content is higher as compared to control formula (p 0.05). Subsequent microbiology tests demonstrated that total plate count and coliform count were in agreement with the Food Act standard No.222 (Ice cream), Ministry of Public Health (2544).
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