Pemanfaatan alginat dan kitosan sebagai penstabil dalam pembuatan es krim

Herman, Elisabeth (2016) Pemanfaatan alginat dan kitosan sebagai penstabil dalam pembuatan es krim. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Ice cream is the most favorite food for children and adults. Stabilizer in ice cream making has and important roles, in order to stabilize stirring in the mixing process of raw materials, to improve the texture of ice cream, to bind the water, and to reduce the occurrence of efflorescence ice cream during storage. Alginate and chitosan are group of polysaccharides which can be used to stabilize in the process of ice cream making. This research was aimed to determine the effect of using alginate from seaweed Sargassum sp. and chitosan from shrimp shell towards the viscosity, melting time, overrun, and the level of preference to ice cream. The method to extract the alginates was using the High Temperature (80 ) Alkaline Extraction method. Extracting chytosan was used 3 steps, namely demineralization, proteination and deacetylation. Alginate characteristic were 17.3% yield, 14.58% of moisture content, 23.58% of ash, 89.07 cPs of viscosity, 9. 11 of pH, and 65.92 of Hue value, which the chitosan characteristic were 12.06% of moisture content, 0.32% of ash, 885% of Fat Binding Capacity, 743% of Water Binding Capacity, and 74.58% Degree of Deacetylation. The best formula based on hedonic test was the super premium ice cream with ration alginate-chitosan 1:0. The best formulation had 51.38% moisture content, 0.85% ash content, 17.94% fat content, 3.36% protein content, and 26.47% carbohydrate content.

Item Type: Thesis (Bachelor)
Creators:
CreatorsNIMEmail
Herman, ElisabethUNSPECIFIEDUNSPECIFIED
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorSantoso, JokoUNSPECIFIEDUNSPECIFIED
Thesis advisorMastuti, Titri SiratantriUNSPECIFIEDUNSPECIFIED
Uncontrolled Keywords: Alginate; chitosan; extraction; ice cream; stabilizer
Subjects: T Technology > TP Chemical technology > TP368-456 Food processing and manufacture
Divisions: University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology
Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Food Technology
Depositing User: Users 13 not found.
Date Deposited: 16 Oct 2018 07:52
Last Modified: 17 Jul 2020 07:50
URI: http://repository.uph.edu/id/eprint/1588

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