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ASCORBIC ACID CONTENT AND RETENTION IN LETTUCE

ASCORBIC ACID CONTENT AND RETENTION IN LETTUCE ABSTRACT With increased availability of salad bars and types of salad greens in grocery stores, consumption of salad greens has increased. The purpose of the study was to examine the ascorbic acid content of a number of lettuce cultivars initially after harvest and after refrigerated storage. Purchased lettuces also were analyzed for ascorbic acid content. Ascorbic acid content of locally grown lettuce cultivars ranged from 9–24 mg ascorbic acid/100 g. Although USDA Handbook 8–11 lists ascorbic acid content for a limited number of greens, the ascorbic acid values found in this study were greater than those reported. Ascorbic acid retentions of 40–74% were found for the lettuce cultivars stored for one week, whereas retentions of 8–68% were found for lettuce cultivars stored for two weeks. Ascorbic acid content for purchased lettuce cultivars ranged from 3–14 mg/100 g. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Food Quality Wiley

ASCORBIC ACID CONTENT AND RETENTION IN LETTUCE

ALBRECHT, J.A.
Journal of Food Quality , Volume 16 (4) – Aug 1, 1993
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References (6)

Publisher
Wiley
Copyright
Copyright © 1993 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0146-9428
eISSN
1745-4557
DOI
10.1111/j.1745-4557.1993.tb00116.x
Publisher site
See Article on Publisher Site

Abstract

ABSTRACT With increased availability of salad bars and types of salad greens in grocery stores, consumption of salad greens has increased. The purpose of the study was to examine the ascorbic acid content of a number of lettuce cultivars initially after harvest and after refrigerated storage. Purchased lettuces also were analyzed for ascorbic acid content. Ascorbic acid content of locally grown lettuce cultivars ranged from 9–24 mg ascorbic acid/100 g. Although USDA Handbook 8–11 lists ascorbic acid content for a limited number of greens, the ascorbic acid values found in this study were greater than those reported. Ascorbic acid retentions of 40–74% were found for the lettuce cultivars stored for one week, whereas retentions of 8–68% were found for lettuce cultivars stored for two weeks. Ascorbic acid content for purchased lettuce cultivars ranged from 3–14 mg/100 g.

Journal

Journal of Food Quality – Wiley

Published: Aug 1, 1993

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