Mar. Drugs 2011, 9(6), 1142-1156; doi:10.3390/md9061142
Article

Antioxidant and Antiproliferative Activities of Heated Sterilized Pepsin Hydrolysate Derived from Half-Fin Anchovy (Setipinna taty)

1 College of Food Science and Pharmacy, Zhejiang Ocean University, Zhoushan 316000, China 2 College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China 3 College of Marine Science, Zhejiang Ocean University, Zhoushan 316000, China
* Author to whom correspondence should be addressed.
Received: 9 May 2011; in revised form: 14 June 2011 / Accepted: 15 June 2011 / Published: 23 June 2011
(This article belongs to the Special Issue Marine Functional Food)
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Abstract: In this paper we studied the antioxidant and antiproliferative activities of the heated pepsin hydrolysate from a marine fish half-fin anchovy (HAHp-H). Furthermore, we compared the chemical profiles including the amino acid composition, the browning intensity, the IR and UV-visible spectra, and the molecular weight distribution between the half-fin anchovy pepsin hydrolysate (HAHp) and HAHp-H. Results showed that heat sterilization on HAHp improved the 1,1-diphenyl-2-picryl-hydrazil (DPPH) radical-scavenging activity and reducing power. In addition, the antiproliferative activities were all increased for HAHp-H on DU-145 human prostate cancer cell line, 1299 human lung cancer cell line and 109 human esophagus cancer cell line. The contents of free amino acid and reducing sugar of HAHp-H were decreased (P < 0.05). However, hydrophobic amino acid residues and the browning intensity of HAHp-H were increased. FT-IR spectroscopy indicated that amide I and amide III bands of HAHp-H were slightly modified, whereas band intensity of amide II was reduced dramatically. Thermal sterilization resulted in the increased fractions of HAHp-H with molecular weight of 3000–5000 Da and below 500 Da. The enhanced antioxidant and antiproliferative activities of HAHp-H might be attributed to the Maillard reaction.
Keywords: half-fin anchovy pepsin hydrolysate; heated sterilization; antioxidant activity; antiproliferative activity; chemical profile

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MDPI and ACS Style

Song, R.; Wei, R.; Zhang, B.; Yang, Z.; Wang, D. Antioxidant and Antiproliferative Activities of Heated Sterilized Pepsin Hydrolysate Derived from Half-Fin Anchovy (Setipinna taty). Mar. Drugs 2011, 9, 1142-1156.

AMA Style

Song R, Wei R, Zhang B, Yang Z, Wang D. Antioxidant and Antiproliferative Activities of Heated Sterilized Pepsin Hydrolysate Derived from Half-Fin Anchovy (Setipinna taty). Marine Drugs. 2011; 9(6):1142-1156.

Chicago/Turabian Style

Song, Ru; Wei, Rongbian; Zhang, Bin; Yang, Zuisu; Wang, Dongfeng. 2011. "Antioxidant and Antiproliferative Activities of Heated Sterilized Pepsin Hydrolysate Derived from Half-Fin Anchovy (Setipinna taty)." Mar. Drugs 9, no. 6: 1142-1156.

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