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Statements

Subject Item
n2:RIV%2F70883521%3A28110%2F12%3A43868127%21RIV13-MSM-28110___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
Short and long tendons of abattoir cattle are collagen by-products of the meat industry. They offer no utilisation at present, being a raw material source of over 90 % protein characteristic. This contribution deals with the three-stage extraction of gelatine from short cattle tendons. The principle of treatment consists in processing degreased tendons in the first processing stage in an environment resulting in the swelling of the starting material. In the second stage, the material is treated with a proteolytic enzyme to produce such disruption of the collagen substrate that makes gelatine extraction when boiling possible in the third stage of the process. In order to study the influence of the significant parameters during the extraction process on gelatine yield, experiments were planned using a factor experiment of 2(3) types. The variables under study were the duration of the second processing stage (5-25 h), temperature in the first and second processing stages (10-40 A degrees C) and the addition of a proteolytic enzyme (1-5 %) on the quantity of the extracted gelatine. The results were processed statistically, and statistical significance of the studied factors was thus found. Contour graphs were plotted to easily survey the influence of the observed factors on gelatine yield. The process achieves up to 71 % efficiency, runs under atmospheric pressure and mild reaction conditions, and is conducive to preparing quality gelatines. Short and long tendons of abattoir cattle are collagen by-products of the meat industry. They offer no utilisation at present, being a raw material source of over 90 % protein characteristic. This contribution deals with the three-stage extraction of gelatine from short cattle tendons. The principle of treatment consists in processing degreased tendons in the first processing stage in an environment resulting in the swelling of the starting material. In the second stage, the material is treated with a proteolytic enzyme to produce such disruption of the collagen substrate that makes gelatine extraction when boiling possible in the third stage of the process. In order to study the influence of the significant parameters during the extraction process on gelatine yield, experiments were planned using a factor experiment of 2(3) types. The variables under study were the duration of the second processing stage (5-25 h), temperature in the first and second processing stages (10-40 A degrees C) and the addition of a proteolytic enzyme (1-5 %) on the quantity of the extracted gelatine. The results were processed statistically, and statistical significance of the studied factors was thus found. Contour graphs were plotted to easily survey the influence of the observed factors on gelatine yield. The process achieves up to 71 % efficiency, runs under atmospheric pressure and mild reaction conditions, and is conducive to preparing quality gelatines.
dcterms:title
Three-Stage Extraction of Gelatines from Tendons of Abattoir Cattle: 1-Reaction Conditions Three-Stage Extraction of Gelatines from Tendons of Abattoir Cattle: 1-Reaction Conditions
skos:prefLabel
Three-Stage Extraction of Gelatines from Tendons of Abattoir Cattle: 1-Reaction Conditions Three-Stage Extraction of Gelatines from Tendons of Abattoir Cattle: 1-Reaction Conditions
skos:notation
RIV/70883521:28110/12:43868127!RIV13-MSM-28110___
n19:predkladatel
n20:orjk%3A28110
n3:aktivita
n14:P
n3:aktivity
P(ED2.1.00/03.0111)
n3:cisloPeriodika
4
n3:dodaniDat
n15:2013
n3:domaciTvurceVysledku
n12:6067808 n12:9978429
n3:druhVysledku
n9:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
174398
n3:idVysledku
RIV/70883521:28110/12:43868127
n3:jazykVysledku
n10:eng
n3:klicovaSlova
Extraction; Gelatine; Food industry; Enzymatic treatment; Cattle tendons; By-products
n3:klicoveSlovo
n8:By-products n8:Enzymatic%20treatment n8:Gelatine n8:Extraction n8:Cattle%20tendons n8:Food%20industry
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[BE5488615CDE]
n3:nazevZdroje
Applied Biochemistry and Biotechnology
n3:obor
n4:CD
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n7:ED2.1.00%2F03.0111
n3:rokUplatneniVysledku
n15:2012
n3:svazekPeriodika
168
n3:tvurceVysledku
Svoboda, Petr Janáčová, Dagmar Mokrejš, Pavel
n3:wos
000309870500017
s:issn
0273-2289
s:numberOfPages
11
n18:doi
10.1007/s12010-012-9830-5
n5:organizacniJednotka
28110