Medicinal Effects of Peptides from Marine Microalgae

Se-Kwon Kim*'t'1 and Kyong-Hwa Kangt

Contents I. Introduction 314

II. Potential Functional Peptides from Microalgae 316

A. Bioactive peptides from microalgae 316

B. Antioxidant activity of the peptides from microalgae 317

C. Antihypertensive activity of peptides from microalgae 318

D. Anticancer activities of the peptide from microalgae 318

E. Protective effects of peptide from microalgae on the liver 319

III. Conclusions 320 References 321

Abstract Nowadays, there are numerous commercial applications of micro algae, and they have been used to enhance the nutritional value of food and animal feed owing to their chemical composition. They are cultivated as a source of highly nutritional and valuable source. Recently, microalgae have been reported to use as a potent source for food additive, nutraceutical, or pharmaceuticals. According to the criteria of nutritional quality and cost, variety of marine organisms has been investigated for their suitability to be applied in the production of protein hydrolysates in functional foods. Recently, a great deal of interest has been expressed regarding marine-derived

* Department of Chemistry, Pukyong National University, Busan, Republic of Korea { Marine Bioprocess Research Center, Pukyong National University, Busan, Republic of Korea 1 Corresponding author: Se-Kwon Kim, E-mail address: [email protected]

Advances in Food and Nutrition Research, Volume 64 © 2011 Elsevier Inc.

ISSN 1043-4526, DOI: 10.1016/B978-0-12-387669-0.00020-X All rights reserved.

bioactive peptides because of their numerous health benefits. In addition, many studies have been reported that marine bioactive peptides can be used as functional foods, nutraceuticals, or pharmaceuticals due to their therapeutic potential in the treatment or prevention of various diseases. Hence, in this chapter, we discussed the importance of marine microalgae in relation to their medicinal value.

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