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Communication Dans Un Congrès Année : 2022

LIPOMEC: towards a better understanding of ruminant milk lipolysis through an integrative biology approach in milk and mammary gland

P. Trossat
  • Fonction : Auteur
Marine Gele
  • Fonction : Auteur
  • PersonId : 971313
Anne Barbat
  • Fonction : Auteur
  • PersonId : 744978
  • IdHAL : anne-barbat
A. Oudotte
  • Fonction : Auteur
Anne Thierry
Andrea Rau
Christelle Cebo

Résumé

Lipolysis is defined as fat-breakdown through the hydrolysis of triglycerides, the major component of milk fat. Short-chain fatty acids consequently released in milk are responsible for rancid flavor, unacceptable for consumers, in milk and dairy products. In addition, the presence of partial glycerides impairs milk functional properties such as foaming and creaming abilities. Thus, milk lipolysis represents an important criterion to assess milk quality. Spontaneous lipolysis results from a complex interplay between farming practices, animal physiology and animal genetics. However, changes in milk fat breakdown differ markedly between cow (Vanbergue et al., 2018) and goats (Chilliard et al., 2014), whereas ewe milk lipolysis is poorly understood. LIPOMEC, funded both by the French National Research Agency (ANR-19-CE21-0010) and dairy stakeholders (APIS-GENE), is the first large-scale integrative project to study the lipolytic system in the milk and mammary gland in the three dairy species.

Domaines

Biologie animale
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Dates et versions

hal-03796220 , version 1 (04-10-2022)

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  • HAL Id : hal-03796220 , version 1

Citer

Catherine Hurtaud, Laurence Bernard, P. Trossat, Marine Gele, S. Meurisse, et al.. LIPOMEC: towards a better understanding of ruminant milk lipolysis through an integrative biology approach in milk and mammary gland. FAO-CIHEAM 2022 Joint seminar of networks on pasture and forage crops and on sheep and goat nutrition, Sep 2022, Catania, Italy. ⟨hal-03796220⟩
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