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KMID : 1134820130420071162
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Journal of the Korean Society of Food Science and Nutrition
2013 Volume.42 No. 7 p.1162 ~ p.1166
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Isolation of Iron-Binding Peptides from Sunflower (Helianthus annuus L.) Seed Protein Hydrolysates
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Choi Dong Won
Kim Nam-Ho
Song Kyung-Bin
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Abstract
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Proteins from sunflower seeds were hydrolyzed with Alcalase and Flavourzyme to isolate iron-binding peptides. The optimal hydrolysis conditions were determined. Hydrolysates were filtered under a 3 kDa membrane and iron-binding peptides separated from the hydrolysates using ion exchange and gel permeation chromatographic methods. A fraction with the highest iron-binding activity (Fe/peptide, 0.69), F22, was obtained. These results suggest that fractions isolated from sunflower seed protein hydrolysates can be applied toward the production of iron supplements.
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KEYWORD
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sunflower seed protein, iron-binding peptide, hydrolysate
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