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Agriculture 2015, 5(4), 1204-1223; doi:10.3390/agriculture5041204

Use of Insulated Covers over Product Crates to Reduce Losses in Amaranth during Shipping Delays

1
The Postharvest Education Foundation, P.O. Box 38, La Pine, OR 97739, USA
2
Department of Food Science and Technology, University of California, 1 Shields Avenue, Davis, CA 95616, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Michael Blanke
Received: 19 August 2015 / Revised: 11 November 2015 / Accepted: 26 November 2015 / Published: 4 December 2015
(This article belongs to the Special Issue Fresh Produce Wastage)
View Full-Text   |   Download PDF [905 KB, uploaded 4 December 2015]   |  

Abstract

Amaranth is a leafy vegetable with high nutrient content which is sensitive to temperature and low relative humidity. Delays in shipment to market may result in significant losses, therefore improved packaging to minimize mechanical damage and reduce moisture loss are desirable. Amaranth was stored in three types of consumer packages, bunches, clamshells and thin plastic bags, within vented plastic crates. Pallet loads were either covered with insulated material or not, while awaiting transportation. Results indicated covering pallets improved the color and overall quality while reducing weight loss and wilting. Covered crates had a “good” (7.6/9.0) overall quality while uncovered averaged 5.5/9.0 or “moderate” quality. There were significant differences in consumer package type, with the bagged amaranth having almost “excellent” quality (8.8/9.0) compared to “good-fair” quality in clamshells (6.2/9.0) and “poor-fair” quality in the control bunches (4.7/9.0). Amaranth stored in thin plastic bags was better in quality and color, with less weight loss and wilting, however, temperatures at the end of six hours of storage were higher and this may lead to microbial growth. Storage of amaranth in thin bags or clamshell packages, within plastic crates covered with insulated pallet covers while awaiting shipping resulted in improved overall quality and color. View Full-Text
Keywords: insulated covers; clamshell packages; plastic bags; amaranth; postharvest losses insulated covers; clamshell packages; plastic bags; amaranth; postharvest losses
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wheeler, L.; Kitinoja, L.; Barrett, D.M. Use of Insulated Covers over Product Crates to Reduce Losses in Amaranth during Shipping Delays. Agriculture 2015, 5, 1204-1223.

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