Composition
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Rich in starch Quality depends on sugar content which vary from 3 to 6%.
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Mostly sucrose and few reducing sugars are present. Maltose, Mannose, galactose and pentose occur in traces.
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During storage and cooking sugar percentage increases.
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Rich in carotene. Some cultivars have 5.4 to 20 mg/100g.
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Yellow and orange fleshed cultivars are rich in carotene.
Table 1 : Average Composition of Potato Tuber
|
Moisture
|
70%
|
|
Carbohydrate
|
27%
|
|
Protien
|
1.5 - 2.0 %
|
|
Fat
|
0.2%
|
|
Fiber
|
1.0%
|
|
Mineral Vitamines Present in Potato
|
|
Minerals and Vitamines
|
(mg/100g)
|
|
Calcium
|
46
|
|
Phosphorus
|
49
|
|
Iron
|
0.8
|
|
Magnesium
|
24
|
|
Pottasium
|
373
|
|
Sodium
|
13
|
|
Chlorine
|
85
|
|
Sulphur
|
26
|
|
Thiamine
|
0.08
|
|
Riboflavin
|
0.04
|
|
Niacin
|
0.70
|
|
Vitamine C
|
24
|
|
Carotene
|
0.18
|
|
Last modified: Tuesday, 8 November 2011, 8:42 AM
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