Quality Maintenance of “Ready‐to‐eat” Shredded Carrots by Gamma Irradiation

Quality Maintenance of “Ready‐to‐eat” Shredded Carrots by Gamma Irradiation ABSTRACT Shredded carrots were either chlorinated, rinsed, and spin‐dried as in industrial processes, or irradiated (2 kGy), replacing the three steps. Several factors defining the quality of minimally processed vegetables were monitored during storage at 10°. Atmospheres inside micro‐porous plastic bags stabilized at 7–15% O2 and 10–15% CO2. Sugar levels in tissues were twice as high in irradiated samples as in chlorinated ones. Irradiation also prevented losses of orange color and carotenes. Growth of aerobic mesophilic and lactic microflora was strongly inhibited by irradiation. Sensory analysis demonstrated preferences for irradiated vegetables. Irradiation, avoiding three potential denaturing steps preserved “ready‐to‐eat” shredded carrots with better quality than those prepared by conventional industrial processes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Food Science Wiley

Quality Maintenance of “Ready‐to‐eat” Shredded Carrots by Gamma Irradiation

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Publisher
Wiley
Copyright
Copyright © 1994 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0022-1147
eISSN
1750-3841
DOI
10.1111/j.1365-2621.1994.tb06966.x
Publisher site
See Article on Publisher Site

Abstract

ABSTRACT Shredded carrots were either chlorinated, rinsed, and spin‐dried as in industrial processes, or irradiated (2 kGy), replacing the three steps. Several factors defining the quality of minimally processed vegetables were monitored during storage at 10°. Atmospheres inside micro‐porous plastic bags stabilized at 7–15% O2 and 10–15% CO2. Sugar levels in tissues were twice as high in irradiated samples as in chlorinated ones. Irradiation also prevented losses of orange color and carotenes. Growth of aerobic mesophilic and lactic microflora was strongly inhibited by irradiation. Sensory analysis demonstrated preferences for irradiated vegetables. Irradiation, avoiding three potential denaturing steps preserved “ready‐to‐eat” shredded carrots with better quality than those prepared by conventional industrial processes.

Journal

Journal of Food ScienceWiley

Published: Mar 1, 1994

References

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