Ultraviolet irradiation: the generator of Vitamin D2 from edible mushrooms

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dc.contributor.author Jasinghe, VJ en
dc.contributor.author Perera, Conrad en
dc.date.accessioned 2012-03-12T21:01:32Z en
dc.date.issued 2006 en
dc.identifier.citation Food Chemistry 95(4):638-643 2006 en
dc.identifier.issn 0308-8146 en
dc.identifier.uri http://hdl.handle.net/2292/14006 en
dc.description.abstract Fresh Shiitake mushrooms (Lentinula edodes), Oyster mushrooms (Pleurotus ostreatus), Button mushrooms (Agaricus bisporus), and Abalone mushrooms (Pleurotus cystidus) were irradiated with Ultraviolet-A (UV-A; wavelength 315–400 nm), Ultraviolet-B (UV-B; wavelength 290–315 nm), and Ultraviolet-C (UV-C; wavelength 190–290 nm). Irradiation of each side of the mushrooms for 1 h, was found to be the optimum period of irradiation in this conversion. The conversions of ergosterol to vitamin D2 under UV-A, UV-B, and UV-C were shown to be significantly different (p < 0.01). The highest vitamin D2 content (184 ± 5.71 μg/g DM) was observed in Oyster mushrooms irradiated with UV-B at 35 °C and around 80% moisture. On the other hand, under the same conditions of irradiation, the lowest vitamin D2 content (22.9 ± 2.68 μg/g DM) was observed in Button mushrooms. en
dc.publisher Elsevier en
dc.relation.ispartofseries Food Chemistry en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/0308-8146/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Ultraviolet irradiation: the generator of Vitamin D2 from edible mushrooms en
dc.type Journal Article en
dc.identifier.doi 10.1016/j.foodchem.2005.01.046 en
pubs.begin-page 638 en
pubs.volume 95 en
dc.rights.holder Copyright: Elsevier en
pubs.end-page 643 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 93249 en
pubs.record-created-at-source-date 2010-09-01 en


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