Study on Distribution of Zinc in Biomacromolecules in Degummed Young Leaves of Water Shield

Abstract

Abstract: The distribution orderliness of zinc in biomacromolecules in degummed young leaves of water shield (Brasenia schrebei) was studied by microwave digesting-flame atomic absorption spectrophotometry. The results indicated that the rank of zinc concentration in biomacromolecules in degummed young leaves of water shield is protein>polysaccharide >other organic matters; The rank of zinc concentration in polysaccharide is water-soluble polysaccharide > alkali-soluble polysaccharide > acid-soluble polysaccharide; For three constituents of water-solubility polysaccharide, the distribution ratio rank of zinc is WSPⅠ > WSP Ⅲ> WSPⅡ; For protein, the distribution ratio rank of zinc is weak alkali-soluble protein > water-soluble protein> salt-soluble protein> weak acid-soluble protein; For five constituents of water-soluble protein, the distribution ratio rank of zinc is WP Ⅳ>WP Ⅴ>WP Ⅱ>WP Ⅲ>WP Ⅰ.

Key words: water shield, biomacromolecules, zinc

ZHOU Yi-Feng, TANG Qiao-Yu, WU Yong-Yao. Study on Distribution of Zinc in Biomacromolecules in Degummed Young Leaves of Water Shield[J]. FOOD SCIENCE, 2008, 29(6): 108-110 https://doi.org/

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Study on Distribution of Zinc in Biomacromolecules in Degummed Young Leaves of Water Shield

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