Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 410355
Title Influence of maturity at harvest, N fertiliser and postharvest storage on dry matter, ascorbic acid and B-carotene contents of vegetable amaranth
Author(s) Onyango, C.; Harbinson, J.; Imungi, J.K.; Kooten, O. van
Source International Journal of Postharvest Technology and Innovation 2 (2011)2. - ISSN 1744-7550 - p. 180 - 196.
DOI https://doi.org/10.1504/IJPTI.2011.041040
Department(s) Horticultural Supply Chains
PE&RC
Publication type Refereed Article in a scientific journal
Publication year 2011
Abstract Vegetable amaranth is a leafy vegetable traditionally grown in sub-Saharan Africa and Asia where it is the most consumed traditional vegetable. It is considered to have high nutritional quality, containing relatively large amounts of vitamins A and C. We have assessed the influence of the maturity of the vegetable and soil nutrition on the visual and nutritional quality of amaranth. We found that leaf ascorbic acid content is strongly influenced by both maturity and soil nutrition, with leaves of seven week old matured plants having the highest content. ß-carotene increased with increasing amount of soil nitrogen and with increasing plant age. The loss of both visual and nutritional quality during storage was influenced more by maturity at harvest and the temperature of storage than the soil nutrition.
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