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Suitable for human or animal food. quotations examples
Kelcogel food-grade gellan gum is described for special uses in the food industry.
1997, A. Nussinovitch, Hydrocolloid Applications: Gum Technology in the Food and Other Industries, page 65
Permitted to be used with or to contact food; safe for use with or around food. quotations examples
Food-grade lubricants are made for meat and poultry and other food-processing equipment. These lubricants are generally registered with the National Sanitary Foundation (NSF).
2011, Sibtain Hamid, “Food-grade hydraulic fluids”, in George Totten, editor, Handbook of Hydraulic Fluid Technology, 2nd edition, page 915