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His-His-Leu, an Angiotensin I Converting Enzyme Inhibitory Peptide Derived from Korean Soybean Paste, Exerts Antihypertensive Activity in Vivo
Abstract
It has been reported that soybean peptide fractions isolated from Korean fermented soybean paste exert angiotensin I converting enzyme (ACE) inhibitory activity in vitro. In this study, further purification and identification of the most active fraction inhibiting ACE activity were performed, and its antihypertensive activity in vivo was confirmed. Subsequently, a novel ACE inhibitory peptide was isolated by preparative HPLC. The amino acid sequence of the isolated peptide was identified as His-His-Leu (HHL) by Edman degradation. The IC(50) value of the HHL for ACE activity was 2.2 microg/mL in vitro. Moreover, the synthetic tripeptide HHL (spHHL) resulted in a significant decrease of ACE activity in the aorta and led to lowered systolic blood pressure (SBP) in spontaneously hypertensive (SH) rats compared to control. Triple injections of spHHL, 5 mg/kg of body weight/injection resulted in a significant decrease of SBP by 61 mmHg (p < 0.01) after the third injection. These results demonstrated that the ACE inhibitory peptide HHL derived from Korean fermented soybean paste exerted antihypertensive activity in vivo.
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Huang, W.-Y., Davidge, S. T., & Wu, J. (2013) · Critical Reviews in Food Science and Nutrition · doi:10.1080/10408398.2010.550071 · Cited by 157
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Metadata
- Authors
- Shin, Z.-I., Yu, R., Park, S.-A., Chung, D. K., Ahn, C.-W., Nam, H.-S., Kim, K.-S., & Lee, H. J.
- Venue
- Journal of Agricultural and Food Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-05-16
- Volume
- 49
- Issue
- 6
- Pages
- 3004-3009
- ISSN
- 0021-8561 (ISSN-L)
- 1520-5118
- OpenAlex
- W1988040928
- Cited by
- 193
- References
- 0
- FWCI
- 0.87
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: His-His-Leu, an Angiotensin I Converting Enzyme Inhibitory Peptide Derived from Korean Soybean Paste, Exerts Antihypertensive Activity in Vivo. https://app.cochat.ai/papers/10.1021/jf001135r
- The paper
- Shin, Z.-I., Yu, R., Park, S.-A., Chung, D. K., Ahn, C.-W., Nam, H.-S., Kim, K.-S., & Lee, H. J. (2001). His-His-Leu, an Angiotensin I Converting Enzyme Inhibitory Peptide Derived from Korean Soybean Paste, Exerts Antihypertensive Activity in Vivo. Journal of Agricultural and Food Chemistry. https://doi.org/10.1021/jf001135r
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