期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 52, 期 7, 页码 1928-1932出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf034707r
关键词
sunflower protein hydrolysate; ACE inhibitors; bioactive peptides; Helianthus annuus L.
Sunflower protein isolates and the proteases pepsin and pancreatin were used for the production of protein hydrolysates that inhibit angiotensin-1 converting enzyme (ACE). Hydrolysates obtained after 3 h of incubation with pepsin and 3 h with pancreatin were studied. An ACE inhibitory peptide with the sequence Phe-Val-Asn-Pro-Gln-Ala-Gly-Ser was obtained by G-50 gel filtration chromatography and high-performance liquid chromatography C-18 reverse phase chromatography. This peptide corresponds to a fragment of helianthinin, the 11S globulin from sunflower seeds, which is the main storage protein in sunflower. These results show that sunflower seed proteins are a potential source of ACE inhibitory peptides when hydrolyzed with pepsin and pancreatin.
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