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.

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Record number 439728
Title Unravelling the bruising discoloration of Agaricus bisporus, the button mushroom
Author(s) Weijn, A.
Source University. Promotor(en): Harry Wichers, co-promotor(en): Jurriaan Mes. - [S.l.] : s.n. - ISBN 9789461735638 - 262
Department(s) Food Chemistry Group
FBR Fresh Supply Chains
VLAG
Publication type Dissertation, internally prepared
Publication year 2013
Keyword(s) agaricus bisporus - paddestoelen - kneuzen - verkleuring - melaninen - fenolverbindingen - biosynthese - genetische analyse - mushrooms - bruising - discoloration - melanins - phenolic compounds - biosynthesis - genetic analysis
Categories Edible fungi / Postharvest Treatment
Abstract

In this research the browning-discoloration caused by bruising of button mushrooms was analysed. Brown-discoloration of mushrooms can amongst others be caused by the picking and storage of mushrooms. Current day commercial hybrids can not be used for mechanical harvesting because mushrooms are sensitive for discoloration. Mechanical harvesting can be used to lower the production costs of mushrooms. To make this possible new hybrids should be available that have a higher tolerance for bruising-discoloration. To breed for new hybrids the cause of bruising-discoloration needs to be analysed. This was done by analysing the compounds (substrates) involved in brown-discoloration and to look at the genes involved. These genes code for the enzymes involved in the conversion of the substrates into the dark brown pigment melanin. The research was performed with commercial and wild strains and the offspring of a segregating population.

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