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한국식품과학회 한국식품과학회지 한국식품과학회지 제30권 제6호
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    초록·키워드

    Effect of chitosan oligosaccharides on the ACE (angiotensin I converting enzyme) inhibition and antihypertension in SHR (Spontaneously hypertensive rat) was examined. The ACE inhibition activity was observed in all the chitosan oligosaccharides used in this study, and chitosan trimer exhibited the highest inhibitory activity (IC₅₀= 0.9 µM) compared with other chitosan oligosaccharides (IC₅₀: 2.4~100 µM). The results suggested that chitosan trimer was a good inhibitor of ACE in molecular level. When the single oral dose (2.14 mg/kg, similar to dose level of Captopril, known as strong ACE inhibitor) of chitosan trimer was given to 8 or 21 week aged SHR, the blood pressure reduction of both SHRs in 4hrs were 27±4.8 mmHg and 36±4.3 mmHg, respectively. Therefore, it was suggested that chitosan trimer could be applicable as natural ACE inhibitor related to antihypertension.

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      UCI(KEPA) : I410-ECN-0101-2013-573-001634883