Biological availability of isoleucine

Biological availability of isoleucine

Biological availability of isoleucine in eight different proteins was determined using a blood meal diet low in isoleucine. Isoleucine in zein was available to the extent of 30%; in casein and gelatin, around 60–70%; and in fibrin, beef, egg albumin, and Drackett, over 90% of the isoleucine was avai...

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Veröffentlicht in:Archives of biochemistry and biophysics 1957-04, Vol.67 (2), p.341-349
Hauptverfasser: Deshpande, P.D., Harper, A.E., Collins, Macie, Elvehjem, C.A.
Format: Artikel
Sprache:eng
Schlagworte:
Biological Availability
Isoleucine
Leucine - analogs & derivatives
Old Medline
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Zusammenfassung:Biological availability of isoleucine in eight different proteins was determined using a blood meal diet low in isoleucine. Isoleucine in zein was available to the extent of 30%; in casein and gelatin, around 60–70%; and in fibrin, beef, egg albumin, and Drackett, over 90% of the isoleucine was available to the rat. In the case of zein, there was an increase of from 30 to 60% in the availability of isoleucine, when the acid-hydrolyzed zein was fed. No such effect was observed with the hydrolyzates of casein and fibrin.
ISSN:0003-9861
1096-0384
DOI:10.1016/0003-9861(57)90289-8