food-grade

Compound of food +‎ grade. Originally US.^[1]

• Audio (US):

  (file)

food-grade (not comparable)

1. Suitable for human or animal food.

   food-grade rice starch

   • 1997, A. Nussinovitch, Hydrocolloid Applications: Gum Technology in the Food and Other Industries‎^[1], page 65:

     Kelcogel food-grade gellan gum is described for special uses in the food industry.

2. Permitted to be used with or to contact food; safe for use with or around food.

   food-grade plastic

   • 2011, Sibtain Hamid, “Food-grade hydraulic fluids”, in George Totten, editor, Handbook of Hydraulic Fluid Technology, 2nd edition, page 915:

     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).

• pharmaceutical grade