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J Am Diet Assoc. 1977 Aug;71(2):140-2.

Stability of ascorbic acid in orange juice exposed to light and air during storage.

Abstract

Single-strength orange juice prepared from three nationally available brands of frozen orange juice concentrate was analyzed for ascorbic acid after exposure to light and air for varying periods up to eighteen days. For two of the brands, brown, foil-covered bottles offered no greater protection against ascorbic acid loss than clear glass bottles. Storage time appeared to be a greater contributor to ascorbic acid loss than type of container in two brands. One brand showed both the effect of storage time and type of container, since the juice stored in the brown bottle lost significantly less ascorbic acid after the same period than juice stored in the clear bottle.

PMID:
881533
[Indexed for MEDLINE]

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