Subcutaneous tissue discoloration in ware potatoes. 1. A chain analysis in the Netherlands

In the chain of handling operations from harvesting to packaging inclusive, potatoes are exposed to many brief mechanical forces (impacts) and to long-term pressure. Impact and pressure can lead to subcutaneous tissue discoloration causing qualitative and quantitative losses. We investigated the cha...

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Bibliographic Details
Published in:Potato research 2000-01, Vol.43 (3), p.211-224
Main Authors: Molema, G.J, Bouman, A, Verwijs, B.R, Berg, J.V. van den, Klooster, J.J
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
DAMAGE
DANOS
DECOLORACION
DECOLORATION
DEGAT
DISCOLORATION
EQUIPO
Food industries
Food processing industry
Food science
Fruit and vegetable industries
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
HANDLING MACHINERY
Harvesting. Postharvest. Storage
MAQUINARIA DE MANUTENCION
MATERIEL
MATERIEL DE MANUTENTION
NETHERLANDS
Packaging
PAISES BAJOS
PAPA
PAYS BAS
POMME DE TERRE
POTATOES
SOLANUM TUBEROSUM
Tissues
Vegetative propagation. Sowing and planting. Harvesting
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Summary:In the chain of handling operations from harvesting to packaging inclusive, potatoes are exposed to many brief mechanical forces (impacts) and to long-term pressure. Impact and pressure can lead to subcutaneous tissue discoloration causing qualitative and quantitative losses. We investigated the characteristics of construction and utilization of representative Dutch ware potato handling chains and found that the number and height of drops appeared to be too high, the use of cushioning materials insufficient and the speed of the transporting parts too high and not in balance with each other. The contribution to the total amount of subcutaneous tissue discoloration was 16% for the harvesting to bin filling phases inclusive, 22% for the storage phase, 27% for the shovelling to truck loading phases inclusive and 35% for the truck unloading to packaging phases inclusive. These contributions varied considerably within phases and within links. The results can be used to develop equipment, upgrade present chains and design new, produce-frendly handling chains.[PUBLICATION ABSTRACT]
ISSN:0014-3065
1871-4528
DOI:10.1007/BF02358081