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6. Nutritional properties and health benefits of dairy protein ingredients
The nutritional quality of dairy proteins is excellent, thanks to excellent digestibility (close to 100%) and a good composition of essential amino acids (AA).
The digestive utilization of milk proteins is excellent, close to 100% for total proteins and around 98% for casein. Whey proteins are rich in sulfur-containing amino acids, so their protein utilization is close to that of egg white protein (the reference protein).
Dairy proteins and certain peptides derived from their digestion have biological properties that go beyond mere nutritional intake. In vitro and in vivo animal experiments have revealed a range of properties, which will be discussed in turn.
6.1 Whey proteins
Serum proteins are rapidly digested...
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Nutritional properties and health benefits of dairy protein ingredients
Bibliography
- (1) - Différents types d'interactions protéines/molécules d'eau. Structures et technofonctions des protéines du lait. Effet de la concentration protéique sur la charge en protéines des globules gras d'une émulsion préparée en présence de caséines ou de protéines sériques à pH 7 (30 % v/v d'huile de soja). - Britten et Giroux (1993), Éd. Lavoisier,...
Regulations
Codex Alimentarius.
American Dairy Milk Institute.
Directory
Organizations
[1] BOUDIER (J.-F.), CAYOT (Ph.), LETOURNEUR (G.), LORIENT (D.), TOMÉ (D.). – CD rom. Les protéines dans tous leurs états, CIDIL (1999).
[2] US Dairy Export Dairy Council (2001) :
BURRINGTON, KIMBERLEE (J.). – US whey ingredients in nutrition bars and gels.
BERTHEAU, CYNTHIA (R.D.). – Whey proteins and body composition....
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