PDF | Physical characteristics and some major chemical properties of potato tubers (Diamond and Santana varieties) at fresh, cured and stored in two.
What are the chemical properties of potatoes?
Starches were isolated and characterised from 10 potato cultivars grown under the same conditions (with a commercial starch for reference). The chemical composition revealed some differences amongst the starches with protein ranging from 0.30% to 0.34%, amylose 25.2% to 29.1% and phosphorus 52.6–66.2 mg 100 g−1.
What is the chemical composition of a potato?
According to the United States Department of Agriculture, a typical raw potato is 79% water, 17% carbohydrates (88% is starch), 2% protein, and contains negligible fat (see table).
What are the physical properties of a potato?
The physical characteristics such as size, shape, surface area, true density, bulk density and porosity of the potato are mainly related to heat and mass trans- fer. Potato in bulk is a heterogeneous mass with widely varying physical properties.
What are the chemicals in potato starch?
Potato starch consists of 21-25% amylose and 75-79% amylopectin. Industrial grade potato starch is dried to 17-18% moisture content, 0.35% ash, 0.1% water solubles, traces of nitrogen and sugar.
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