Preservative Free

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/priˈzərvətɪv fri/

Shirley processes and marinades the olives which are all chemical and preservative free.
Development and production of additive free, preservative free cosmetics
Introduction of preservative free tears is the most important contribution in the formulation of the tear substitutes in the last decade or so.
There were a rise in free ammonia content and pH value of petal tissue, and a drop in anthocyanin content during petal senescence. The preservative treatment delayed the rise of free ammonia and pH, but promoted the loss of anthocyanin.

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