Antioxidant and ACE Inhibitory Activities of Styela clava according to Harvesting Time
2010
Lee, D.W., Kyungnam University, Masan, Republic of Korea | You, D.H., Kyungnam University, Masan, Republic of Korea | Yang, E.K., Kyungnam University, Masan, Republic of Korea | Jang, I.C., Kyungnam University, Masan, Republic of Korea | Bae, M.S., Kyungnam University, Masan, Republic of Korea | Jeon, Y.J., Jeju National University, Jeju, Republic of Korea | Kim, S.J., Woosong Information College, Daejeon, Republic of Korea | Lee, S.C., Kyungnam University, Masan, Republic of Korea
The antioxidant and angiotensin converting enzyme (ACE) inhibitory harvesting times were evaluated. During February and July of 2008, Styela clava were harvested once per month, and divided into flesh and tunic parts. Each collected part was extracted with water and 70% ethanol. DPPH radical scavenging activity (RSA) for flesh part was higher than that of tunic part, and water extract of flesh harvested at April showed the highest value (53.02% at 10 ㎎/mL). The highest ABTS RSA was found at water extract of flesh part harvested at March. Water extracts of flesh parts harvested from March to May showed relatively higher ACE inhibitory activity, and freezing did not affect ACE inhibitory activity. The results indicated that antioxidant and ACE inhibitory activity of S. clava were variable depending on harvesting time and parts.
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