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Isolation and Characterization of Angiotensin I Converting Enzyme (ACE) Inhibitory Peptides from Rice Bran Proteins and Evaluation of Activity and Stability

Isolation and Characterization of Angiotensin I Converting Enzyme (ACE) Inhibitory Peptides from Rice Bran Proteins and Evaluation of Activity and Stability

Boxin Dou, Ying Liu*, Yumeng Liu, Lili Fan, Yongqiang Ma, and Yanguo Shi

College of Food Science and Engineering, Harbin University of Commerce, Heilongjiang 150076, China

*     Corresponding author: 101724@hrbcu.edu.cn

 

Fig. 1.

Absorbance maximum of peptides separated from the RB sub-fraction III by using Sephadex G-15 chromatography.

Fig. 2.

RP-HPLC chromatogram of peptides separated from fraction E.

Fig. 3.

RP-HPLC analysis result of E-9.

Fig. 4.

Peak intensities shown by amino acid HPLC analysis from ACEI (fraction E-9).

Fig. 5.

MALDI-TOF MS (A) and MS/MS spectra of fraction E-9 (B).

Fig. 6.

The IC50 values of fraction E-9 after gastrointestinal digestion.

Fig. 7.

The relative ACE inhibition rate of fraction E-9.

Pakistan Journal of Zoology

August

Vol. 52, Iss. 4, Pages 1225-1630

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