§ 172.160. Potassium nitrate.
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/us/cfr/t21/s§ 172.160·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
The food additive potassium nitrate may be safely used as a curing agent in the processing of cod roe, in an amount not to exceed 200 parts per million of the finished roe.