Regulations last checked for updates: Oct 17, 2024

Title 21 - Food and Drugs last revised: Oct 15, 2024
§ 573.587 - Komagataella pastoris dried yeast.

(a) Identity. The food additive Komagataella pastoris dried yeast is non-viable and may be used in feed formulations of broiler chickens as a source of protein not to exceed 10 percent by weight of the total formulation.

(b) Specifications. The additive shall conform to the following percent-by-weight specifications:

(1) Crude protein, not less than 60 percent.

(2) Crude fat, not less than 2 percent.

(3) Crude fiber, not more than 2 percent.

(4) Ash, not more than 13 percent.

(5) Moisture, not more than 6 percent.

(c) Use. To ensure safe use, the labeling of the additive and any feed additive supplement, concentrate, or premix prepared therefrom shall bear, in addition to other required information, the name of the additive, directions for use to provide not more than 10 percent by weight of the total ration, and the statement “Caution: Not to be used in layers or other poultry intended for breeding.”

[58 FR 59170, Nov. 8, 1993. Redesignated and amended at 89 FR 72315, Sept. 5, 2024]
authority: 21 U.S.C. 321,342,348
source: 41 FR 38652, Sept. 10, 1976, unless otherwise noted.
cite as: 21 CFR 573.587