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Lipo-nutritional quality of pork: The lipid composition, regulation, and molecular mechanisms of fatty acid deposition
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Wuzhou Yia, b, c, Qixin Huanga, Yizhen Wanga, b, c, Tizhong Shana, b, c, *
Animal Nutrition | 2023, 13(1) : 373 - 385
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Animal Nutrition | 2023, 13(1): 373-385
Review Article
Lipo-nutritional quality of pork: The lipid composition, regulation, and molecular mechanisms of fatty acid deposition
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Wuzhou Yia, b, c, Qixin Huanga, Yizhen Wanga, b, c, Tizhong Shana, b, c, *
Affiliations
  • aCollege of Animal Sciences, Zhejiang University, Hangzhou, China
  • bThe Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
  • cZhejiang Provincial Laboratory of Feed and Animal Nutrition, Hangzhou, China
Published: 2023-06-10 doi: 10.1016/j.aninu.2023.03.001
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Pork is one of the main meats consumed by people, and its nutritional value is closely related to human health. The lipid deposition and composition of pork not only affect the sensory quality but also determine the nutritional quality of pork. The lipids in pork include triglycerides (TAG) and a small amount of cholesterol and phospholipids. TAG are the main lipids in skeletal muscle fat, which is divided into intermuscular fat and intramuscular fat (IMF). In addition to TAG, IMF also contains phospholipids, which are important factors affecting pork flavour. There are three types of fatty acids in TAG: saturated fatty acids (SFA), monounsaturated fatty acids (MUFA), and polyunsaturated fatty acids (PUFA). PUFA, such as n-3 PUFA, have a beneficial effect on health, including the regulation of whole-body energy metabolism and protection against cardiovascular diseases. Therefore, regulating lipid deposition, especially the fatty acid composition, in pork is important for improving the nutritional quality for human health. Notably, several strategies, such as breeding, environmental control, and the nutritional regulation of lipid composition and deposition in pork, have been studied. More recently, faecal transplantation, molecular design breeding and non-coding RNA have been studied and proven useful for regulating lipid deposition in pigs. In this review, we mainly summarized and discussed the research findings to date on the lipid composition and regulation mechanisms of fatty acid deposition and provide new insights into efficient means of improving the lipid composition and lipo-nutritional quality of pork.

Fatty acid composition  /  Intramuscular fat  /  Dietary factor  /  Gut microbiota  /  Non-coding RNA
Wuzhou Yi, Qixin Huang, Yizhen Wang, Tizhong Shan. Lipo-nutritional quality of pork: The lipid composition, regulation, and molecular mechanisms of fatty acid deposition[J]. Animal Nutrition, 2023 , 13 (1) : 373 -385 . DOI: 10.1016/j.aninu.2023.03.001
Year 2023 volume 13 Issue 1
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Article Info
doi: 10.1016/j.aninu.2023.03.001
  • Receive Date:2022-08-05
  • Online Date:2026-02-03
  • Published:2023-06-10
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History
  • Received:2022-08-05
  • Revised:2022-12-13
  • Accepted:2023-03-01
Affiliations
    aCollege of Animal Sciences, Zhejiang University, Hangzhou, China
    bThe Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Hangzhou, China
    cZhejiang Provincial Laboratory of Feed and Animal Nutrition, Hangzhou, China

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* Corresponding author. E-mail address: (T. Shan).
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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