[PDF] Top 20 Amino acids and biogenic amines evolution during the estufagem of fortified wines

... overlap the observed variability. Nevertheless, this analysis allowed the identifica- tion of the characteristics of wine amino acids, namely, the analysis ... See full document

... In the grape vine, malic acid is implicated in some important processes for the vine ...quickly and noticeably than that of tartaric ...glucose during the later stages of ... See full document

... results of the correlations between several parameters and the signif- icance of the linear regression obtained for wines of the SET II are expressed in ... See full document

... with the purpose of stabilizing the total sugar content in sweet wines to about 80 g/L and maintaining some residual sugars in dry ...When the required sweetness level is ... See full document

... statement: Biogenic amines are basic nitrogenous compounds present in a wide variety of foods and ...to the amino acids decarboxylase activity of certain ...intake ... See full document

... part of published methods requires sample pre- treatment before derivatization ...for the determi- nation of amino acids in honey that includes a clean-up step and an extraction ... See full document

... Amines and related compounds are constantly present in food either naturally or as a product of storage or ...increase during spoilage, which can be associated with increases in microbial ... See full document

... contamination and inappropriate conditions during food processing and microbial contamination and inadequate conditions during ...as the hygienic quality of the ... See full document

... inhibit the undesired growth of microorganisms with decarboxylase activity and, concomitantly, minimising the formation of biogenic amines ( Suzzi & Gardini, 2003 ... See full document

... Biogenic amines (BA) are nitrogenous low molecular weight organic bases that can have an aliphatic, aromatic or heterocyclic ...consequence of the decarboxylation of their free ... See full document

... lysine, and tyramine from tyrosine; spermidine and spermine are sequentially produced from putrescine (Eitenmiller & de Souza, ...to the Bacillus, Pseudomonas, Escherichia and Salmonella ... See full document

... in the amount of protein nitrogen during ensiling is accompanied by an increase in the content of proteolysis products, ...free amino acids and ammonia, as well as ... See full document

... grapes and musts are usually present in low concentrations, since they are produced and then degrad- ed during ...winemaking. The fermentative stages (alcoholic and mostly malolactic) ... See full document

... complex and contains several nitrogen sources. The nature and the availability of nitrogen compounds play a significant role in the wine aroma (Lambrechts & Pretorius, ... See full document

... achieved, the data were expressed as the means 6SD (standard deviation), and the comparisons among the groups were made using the one-way ANOVA ...achieved, the data were ... See full document

... proportion of water soluble organic carbon in atmospheric aerosols [65] . During winter, some of the major components of aerosols are levoglucosan, manosan and galactosan, ... See full document

... removing the grape juice proteins before or after the alcoholic fermentation by bentonite ...evaluated the use heat treatment and heat treatment coupled with two different enzymes in order to ... See full document

... phosphorylation and active transport chain ...fractures and cardiovascular disesess ...calcification and could protect against cardiovascular ...carboxylation of Gla-protein, which is a ... See full document

... in the fruit bodies of Boletus edulis were glutamine (26.0%, of dry wt), alanine ...(5.8%), and proline ...(3.0) and lysine ...in the East Usambara Mountains, and at ... See full document

... strains and IDB. Matamoros et al. (2009) reported that HIM and tyramine (TYM) production for Leuconostoc gelidum, Lactococcus piscium, Lactobacillus fuchuensis and Carnobacterium alterfunditum ... See full document