The impact of frozen storage duration on physical, chemical and microbiological properties of pork

被引：74

作者：

Medic, Helga ^{[1
]}

Djurkin Kusec, Ivona ^{[2
]}

Pleadin, Jelka ^{[3
]}

Kozacinski, Lidija ^{[4
]}

Njari, Bela ^{[4
]}

Hengl, Brigita ^{[5
]}

Kusec, Goran ^{[2
]}

机构：

[1] Univ Zagreb, Fac Food Technol & Biotechnol, Pierottljeva 6, Zagreb, Croatia

[2] Josip Juraj Strossmayer Univ Osijek, Fac Agr Osijek, Vladimira Preloga 1, Osijek, Croatia

[3] Croatian Vet Inst, Lab Analyt Chem, Savska Cesta 143, Zagreb, Croatia

[4] Univ Zagreb, Fac Vet Med, Dept Hyg Technol & Food Safety, Heinzelova 55, Zagreb, Croatia

[5] Croatian Food Agcy, Ivana Gundulica 36b, Osijek, Croatia

来源：

MEAT SCIENCE | 2018年 / 140卷

关键词：

Pork; Quality; Freezing; Storage time; Meat safety; SUBZERO HOLDING TEMPERATURES; MUSCLE-FIBER CHARACTERISTICS; LONGISSIMUS-DORSI MUSCLE; FATTY-ACID-COMPOSITION; MEAT QUALITY; FUNCTIONAL-PROPERTIES; OXIDATIVE STABILITY; LIPID OXIDATION; SENSORY QUALITY; SHEAR FORCE;

D O I：

10.1016/j.meatsci.2018.03.006

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The aim of the present study was to evaluate the effect of frozen storage duration (3, 6, 9, 12, 15, 18 months) on physical, chemical and microbial properties of pork in three cuts (loin, ham, and belly rib). During frozen storage, significant alterations in physical and chemical parameters were observed through the increase of the total exudate, pH and lightness (L*), and a decrease of shear force and yellowness (b*). Water content in ham samples decreased, while protein content increased. The lipid oxidation (TBA) values in loin and ham samples increased for up to fifteen months of frozen storage, after which they decreased. The proportion of saturated fatty acids in frozen samples was significantly higher than in fresh meat. The total amount of Enterobacteriaceae, S. aureus and Pseudomonas spp. decreased during frozen storage, indicating that freezing may reduce the number of bacteria found in meat. Frozen pork microflora did not change after eighteen months of storage.

引用

页码：119 / 127

页数：9

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