FDA Allows Use of Certain Safflower Seed Meal in Animal Feed
03 July 2015
The FDA has amended the food additive regulations to provide for the safe use of seed meal from a variety of bioengineered safflower (Carthamus tinctorius L.) in cattle and poultry feeds. The safflower variety has been bioengineered to contain a gene from the water mould Saprolegnia diclina responsible for production of gamma-linolenic acid in the seed oil. Seed meals are the ground residues obtained after processing seeds to extract their oil and are a common ingredient in livestock feed.
The food additive consists of the meal obtained after the removal of most of the oil from whole seeds or partially dehulled seeds or both obtained from a Carthamus tinctorius L. safflower Centennial variety genetically engineered to express the delta-6-desaturase gene from Saprolegnia diclina Humphrey. The 453 amino acid, delta-6-desaturase enzyme converts the fatty acid linoleic acid to gamma-linolenic acid during seed development. The resulting additive may be safely used in cattle and poultry feeds in accordance with the following prescribed conditions.
- The additive must contain not less than 20 percent crude protein, not more than 40 percent crude fibre, not more than 10 percent moisture, and not more than two percent crude fat.
- The crude fat in the additive must comply with the following specifications: (i) gamma-linolenic acid content not to exceed 55 percent; (ii) total content of stearidonic acid and cis, cis-6, 9-octadecadienoic acid not to exceed a total of 0.5 percent; and (iii) total content of palmitic, stearic, oleic, linoleic and other associated fatty acids to exceed a total of 40 percent.
- The additive must be used or intended for use in cattle and poultry feeds as a source of protein in accordance with good manufacturing and feeding practices.
To assure the safe use of the additive, in addition to the other information required by the Food, Drug, and Cosmetic Act the label and labelling of the additive, any feed pre-mix or complete feed must bear the name of the additive or the common name safflower meal and adequate directions for use in cattle and poultry feeds.
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