- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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Determination of Nutritious Calcium in Some Vegetables
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.4, pp.855-858
Ishii,
Y., &
Takiyama,
K.
(1995). Determination of Nutritious Calcium in Some Vegetables. , 8(4), 855-858.
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Abstract
Vegetables contain more or less calcium. By the traditional method the total calcium in the vegetable was analyzed. A part or calcium in the vegetable is fixed as calcium oxalate and the calcium does not utilize for nutrition. In this investigation the free calcium was determined by extraction in boiling water, the combined calcium with oxalic acid was determined by extraction in 0.1 M hydrochloric aci and the other calcium combined with protein, amino acid etc. was estimated. The amount of calcium obtained from the difference between the total calcium and calcium exmtaining in calcium oxalate was estimated to be nutritious.
- keywords
- Vegetable, Nutritious calcium, Free calcium, Total Calcium, Free oxalic acid, Total oxalic acid
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