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Titolo:
Low-voltage electrical stimulation effects on proteolysis and lamb tenderness
Autore:
Lee, S; Polidori, P; Kauffman, RG; Kim, BC;
Indirizzi:
Korea Univ, Dept Anim Sci, Seoul 136701, South Korea Korea Univ Seoul South Korea 136701 Anim Sci, Seoul 136701, South Korea Univ Camerino, Fac Med Vet, Matelica, Italy Univ Camerino Matelica Italy niv Camerino, Fac Med Vet, Matelica, Italy Univ Wisconsin, Muscle Biol Lab, Madison, WI 53706 USA Univ Wisconsin Madison WI USA 53706 uscle Biol Lab, Madison, WI 53706 USA
Titolo Testata:
JOURNAL OF FOOD SCIENCE
fascicolo: 5, volume: 65, anno: 2000,
pagine: 786 - 790
SICI:
0022-1147(200007/08)65:5<786:LESEOP>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
MODELING POSTMORTEM TENDERIZATION; CALCIUM ACTIVATED FACTOR; SKELETAL-MUSCLE; MYOFIBRILLAR PROTEINS; GEL-ELECTROPHORESIS; BEEF TENDERNESS; BOVINE MUSCLE; PROTEASE; DEGRADATION; CALPAIN;
Keywords:
low-voltage electrical stimulation; calpains; glycolytic rate; tenderness; titin; troponin-T;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
37
Recensione:
Indirizzi per estratti:
Indirizzo: Kim, BC Korea Univ, Dept Anim Sci, Anam Dong 5-1, Seoul 136701, South Korea Korea Univ Anam Dong 5-1 Seoul South Korea 136701 01, South Korea
Citazione:
S. Lee et al., "Low-voltage electrical stimulation effects on proteolysis and lamb tenderness", J FOOD SCI, 65(5), 2000, pp. 786-790

Abstract

Lamb carcasses were subjected to low-voltage electrical stimulation (ES; 28 V, 60 Hz) within 5 min postmortem (PM), After ES, the longissimus thoracis (LT) and semimembranosus (SM) muscles were removed to investigate subsequent biochemical changes. The pH values of the ES muscles declined rapidly until the 1(st) 3 h PM (p < 0.05). The activities of mu-calpain and calpastatin in ES muscles decreased significantly after 10 h PM (p < 0.05), Both ESLT and SM muscles tended to have lower shear-force values, which suggestedES might accelerate activation of calpains as well as glycolytic rate, thereby improving muscle tenderness, Differences in titin and troponin-T degradation between treatments were also observed with time PM.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/10/20 alle ore 09:50:21