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Characterization of fresh muscle pig...

Lu, Youkai.

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Characterization of fresh muscle pigments in channel catfish and their influence by chilling stress.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Characterization of fresh muscle pigments in channel catfish and their influence by chilling stress./
Author:	Lu, Youkai.
Description:	155 p.
Notes:	Adviser: Juan L. Silva.
Contained By:	Dissertation Abstracts International69-07B.
Subject:	Agriculture, Fisheries and Aquaculture. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3315188
ISBN:	9780549645887

Characterization of fresh muscle pigments in channel catfish and their influence by chilling stress.
Lu, Youkai.

Characterization of fresh muscle pigments in channel catfish and their influence by chilling stress. - 155 p.

Adviser: Juan L. Silva.

Thesis (Ph.D.)--Mississippi State University, 2008.

Color and color components are important quality attributes for fresh channel catfish muscle. The objective of the present research was to obtain inside understanding regarding color distribution, color component stability and the pre-slaughter conditions influence on color and color components and other quality attributes. Catfish fillets were rendered to be paler and redder on iced storage; and paler, less red and less yellow by ice-water chilling process. Visual classified "reddish" catfish fillets had higher heme-protein content than "white" fillets and these pigments were derived mainly from hemoglobin. Pre-slaughter live fish chilling in ice water and bleeding at slaughter also slightly affected muscle color and total heme-protein content, but they were not the main factors for the "reddish" color on catfish muscle. Catfish hemoglobin autoxidation rate was similar at room and at refrigeration temperature. Myoglobin gene and hemoglobin beta gene were cloned and expressed in Escherichia coli cells in insoluble form. The myoglobin gene had an open reading frame of 444 nucleotides and translated into 147 amino acids with molecular weight of 16,909 and pI of 9.43. The myoglobin gene in vivo expression in white muscle was not affected by pre-slaughter chilling. Pre-slaughter chilling is a stressor to channel catfish and shortens the pre-rigor time postmortem; thus, it is not recommended in catfish processing.

ISBN: 9780549645887Subjects--Topical Terms:

1020913
Agriculture, Fisheries and Aquaculture.

Characterization of fresh muscle pigments in channel catfish and their influence by chilling stress.
LDR:02552nam 2200337 a 45 001 953883
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008 110622s2008 ||||||||||||||||| ||eng d
020 $a 9780549645887
035 $a (UMI)AAI3315188
035 $a AAI3315188
040 $a UMI $c UMI
100 1 $a Lu, Youkai. $3 1277357
245 1 0 $a Characterization of fresh muscle pigments in channel catfish and their influence by chilling stress.
300 $a 155 p.
500 $a Adviser: Juan L. Silva.
500 $a Source: Dissertation Abstracts International, Volume: 69-07, Section: B, page: .
502 $a Thesis (Ph.D.)--Mississippi State University, 2008.
520 $a Color and color components are important quality attributes for fresh channel catfish muscle. The objective of the present research was to obtain inside understanding regarding color distribution, color component stability and the pre-slaughter conditions influence on color and color components and other quality attributes. Catfish fillets were rendered to be paler and redder on iced storage; and paler, less red and less yellow by ice-water chilling process. Visual classified "reddish" catfish fillets had higher heme-protein content than "white" fillets and these pigments were derived mainly from hemoglobin. Pre-slaughter live fish chilling in ice water and bleeding at slaughter also slightly affected muscle color and total heme-protein content, but they were not the main factors for the "reddish" color on catfish muscle. Catfish hemoglobin autoxidation rate was similar at room and at refrigeration temperature. Myoglobin gene and hemoglobin beta gene were cloned and expressed in Escherichia coli cells in insoluble form. The myoglobin gene had an open reading frame of 444 nucleotides and translated into 147 amino acids with molecular weight of 16,909 and pI of 9.43. The myoglobin gene in vivo expression in white muscle was not affected by pre-slaughter chilling. Pre-slaughter chilling is a stressor to channel catfish and shortens the pre-rigor time postmortem; thus, it is not recommended in catfish processing.
590 $a School code: 0132.
650 4 $a Agriculture, Fisheries and Aquaculture. $3 1020913
650 4 $a Agriculture, Food Science and Technology. $3 1017813
650 4 $a Biology, Molecular. $3 1017719
690 $a 0307
690 $a 0359
690 $a 0792
710 2 $a Mississippi State University. $b Food Science, Nutrition, and Health Promotion. $3 1277358
773 0 $t Dissertation Abstracts International $g 69-07B.
790 $a 0132
790 1 0 $a Jung, Yean-Sung $e committee member
790 1 0 $a Ma, Din-Pow $e committee member
790 1 0 $a Schilling, Wes $e committee member
790 1 0 $a Silva, Juan L., $e advisor
790 1 0 $a White, Charles H. $e committee member
791 $a Ph.D.
792 $a 2008
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3315188