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

Author

Listed:
  • Lizanne Wheeler

    (The Postharvest Education Foundation, P.O. Box 38, La Pine, OR 97739, USA)

  • Lisa Kitinoja

    (The Postharvest Education Foundation, P.O. Box 38, La Pine, OR 97739, USA)

  • Diane M. Barrett

    (The Postharvest Education Foundation, P.O. Box 38, La Pine, OR 97739, USA
    Department of Food Science and Technology, University of California, 1 Shields Avenue, Davis, CA 95616, USA)

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.

Suggested Citation

  • Lizanne Wheeler & Lisa Kitinoja & Diane M. Barrett, 2015. "Use of Insulated Covers over Product Crates to Reduce Losses in Amaranth during Shipping Delays," Agriculture, MDPI, vol. 5(4), pages 1-20, December.
    • Handle: RePEc:gam:jagris:v:5:y:2015:i:4:p:1204-1223:d:59975
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    References listed on IDEAS

    as
    1. Federico Bonaglia, 2009. "Zambia: Sustaining Agricultural Diversification," OECD Journal: General Papers, OECD Publishing, vol. 2009(2), pages 103-131.
    2. repec:wbk:wbpubs:6603 is not listed on IDEAS
    3. Unknown, 2001. "Proceedings of a workshop held in Beijing, People’s Republic of China, 9–11 May 2001: Postharvest Handling of Fresh Vegetables," ACIAR Proceedings Series 135377, Australian Centre for International Agricultural Research.
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