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> 한국축산식품학회 > 한국축산식품학회지 > 33권 4호

Article : Effects of High Pressure/High Temperature Processing on the Recovery and Characteristics of Porcine Placenta Hydrolysates

Article : Effects of High Pressure/High Temperature Processing on the Recovery and Characteristics of Porcine Placenta Hydrolysates

( Mi Yeon Lee ) , ( Ye Chul Choi ) , ( Ji Yeon Chun ) , ( Sang Gi Min ) , ( Geun Pyo Hong )

- 발행기관 : 한국축산식품학회

- 발행년도 : 2013

- 간행물 : 한국축산식품학회지, 33권 4호

- 페이지 : pp.474-480 ( 총 7 페이지 )


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초록(외국어)
This study was performed to investigate the effects of high pressure/high temperature (HPHT) treatment on the recovery efficiency and characteristics of porcine placenta hydrolysates. The placenta hydrolysates were characterized by solubility, free amino acid contents, gel electrophoresis, gel permeation chromatography (GPC) and amino acid composition. Placenta was treated at 37.5 MPa of pressure combined with various temperatures (150, 170, and 200℃) or various holding times (0, 30, and 60 min at 170℃). Insoluble raw placenta collagen was partially solubilized (> 60% solubility) by the HPHT treatment. Free amino group content of placenta collagen was increased from 0.1 mM/g collagen to > 0.3 mM/g collagen after HPHT treatment, reflecting partial hydrolysis of collagen. The molecular weight (Mw) distribution showed evidence of collagen hydrolysis by shifting of Mw peaks toward low molecular weight when treated temperature or holding time was increased. Alanine (Ala), glycine (Gly), hydroxyproline (Hyp), and proline (Pro) contents increased after the HPHT treatments compared to a decrease in the others. In particular, the increase in Gly was obvious, followed by Hyp and Pro, reflecting that placenta hydrolysates were mainly composed of these amino acids. However, increasing temperature or holding time hardly affected the amino acid compositions. These results indicate that the HPHT treatment is advantageous to hydrolyze collagen derived from animal by-products.

논문정보
  • - 주제 : 농학분야 > 축산
  • - 발행기관 : 한국축산식품학회
  • - 간행물 : 한국축산식품학회지, 33권 4호
  • - 발행년도 : 2013
  • - 페이지 : pp.474-480 ( 총 7 페이지 )
  • - ECN : ECN-0102-2014-500-002000002
  • - UCI : I410-ECN-0102-2014-500-002000002

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저널정보
  • - 주제 : 농학분야 > 축산
  • - 성격 : 학술지
  • - 간기 : 격월
  • - 국내 등재 : KCI 등재
  • - 해외 등재 : SCI / SCOPUS
  • - ISSN : 1225-8563
  • - 수록범위 : 1987–2017
  • - 수록 논문수 : 1810