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Starch levels in refrigerated and frozen chicken based meat products BABT
Labanca,Renata A.; Silva,Cristiane M. G.; Glória,M. Beatriz A..
The levels of starch were determined in chicken based meat products commercialized in Belo Horizonte, MG, Brazil, from December 1996 to March 1997. Samples were analyzed for moisture and starch contents. Starch was acid hydrolyzed and the resulting glucose was determined at 620 nm after reaction with anthrone. The method was observed to be accurate (92.7% recovery), precise (CV = 3.0%), sensitive (quantification limit = 1.25 g/100 g) and simple in the determination of starch in meat products. Among products analyzed, starch was detected in 100% of meat balls and nuggets samples, in 60% of the sausage, 50% of the bologna and 30% of the frankfurter. Starch was not detected in hamburger samples analyzed. Higher mean starch levels were found in nuggets (14.85...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Starch; Chicken based meat products; Anthrone method.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000200008
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Screening of lactic acid bacteria from vacuum packaged beef for antimicrobial activity BJM
Oliveira,Roseane B. P.; Oliveira,Afonso de L.; Glória,M. Beatriz A..
The objective of this study was to isolate lactic acid bacteria (LAB) from vacuum packaged beef and to investigate their antagonist activity. LAB mean counts of 5.19 log cfu/cm² were obtained from five samples of vacuum packaged beef. Two hundred isolates were selected and screened for the inhibitory effect on five ATCC reference Lactobacillus strains. Thirty six isolates showed activity in the agar spot test against at least two of the indicator strains. However, only six cell free supernatants (CFS) from these isolates exhibited activity against the indicator strains using the well-diffusion test and conditions that eliminated the effects of organic acids and hydrogen peroxide. L. acidophilus was the most sensitive indicator tested, whereas L. plantarum...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lactic acid bacteria beef; Lactobacillus inhibitory activity pH heat resistance.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000200031
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