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Type: Artigo de periódico
Title: ;Protective effect of collagen derivates on the ulcerative lesions caused by oral administration of ethanol
Author: Castro, GA
Sgarbieri, VC
Carvalho, JE
Tinti, SV
Possenti, A
Abstract: The protective effect of beef and pig collagen hydrolysates and their fractions were tested as anti-ulcerogenic agents in rats (weighing 250-350 g) against ulcerative lesions caused by ethanol. Beef and pig collagen hydrolysates were fractionated by ultrafiltration into different molecular weight fractions. The protocol employed a negative and a positive control and a single dose of the experimental samples given by intragastric intubation. The beef collagen did not present a dose-response correlation in the ethanol model, whereas pig collagen showed a logarithmic dose-response relationship. Beef collagen hydrolysate decreased the ulcerative lesion index of 55% versus a 61% decrease for pig collagen hydrolysate at the same dosage (750 mg/ kg of body weight). No significant differences were found (P > .05) between the hydrolysates and their fractions.
Subject: collagen hydrolysates
mucosa protection
ulcerative lesions
ulcerogenic agent
Country: EUA
Editor: Mary Ann Liebert Inc
Citation: Journal Of Medicinal Food. Mary Ann Liebert Inc, v. 10, n. 1, n. 154, n. 158, 2007.
Rights: embargo
Identifier DOI: 10.1089/jmf.2006.262
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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