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https://hdl.handle.net/2440/151
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Type: | Journal article |
Title: | Application of reflectance colour measurement to the estimation of carotene and lutein content in wheat and triticale |
Author: | Humphries, J. Graham, R. Mares, D. |
Citation: | Journal of Cereal Science, 2004; 40(2):151-159 |
Publisher: | Academic Press Ltd Elsevier Science Ltd |
Issue Date: | 2004 |
ISSN: | 0733-5210 |
Statement of Responsibility: | Julia M. Humphries, Robin D. Graham and Daryl J. Mares |
Abstract: | Whole-meal wheat, including both bread and durum varieties, and triticale samples were analysed for their carotenoid content by HPLC, and colour using reflectance spectrophotometry (CIE L*a*b*). A positive correlation between CIE b* (yellowness) and lutein concentration was shown in all wheat groups but was strongest in the durums. There was little correlation between CIE L* (lightness) or CIE a* (redness) and lutein, alpha- or beta-carotene. In contrast, the b* value correlated well with the concentration of alpha- and beta-carotene, and therefore the vitamin A activity, though those wheat groups that did not have a strong correlation were those with the lowest CIE b* values. The durum wheat group had the highest CIE b* value and the highest lutein concentration but a relatively low concentration of beta-carotene. |
Keywords: | Wheat CIE lab colour carotenoids triticale |
DOI: | 10.1016/j.jcs.2004.07.005 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/622859/description#description |
Published version: | http://dx.doi.org/10.1016/j.jcs.2004.07.005 |
Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest 2 |
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