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Betaine, choline and folate content in different cereal genotypes
Linnaeus University, Faculty of Health and Life Sciences, Department of Chemistry and Biomedical Sciences. Mansoura University, Egypt.ORCID iD: 0000-0003-0550-5828
Linnaeus University, Faculty of Health and Life Sciences, Department of Chemistry and Biomedical Sciences.
Linnaeus University, Faculty of Health and Life Sciences, Department of Chemistry and Biomedical Sciences.ORCID iD: 0000-0003-0387-4312
2018 (English)In: Journal of Cereal Science, ISSN 0733-5210, E-ISSN 1095-9963, Vol. 80, p. 72-79Article in journal (Refereed) Published
Abstract [en]

The importance of dietary methyl donors, e.g. betaine, choline and folate, is increasingly being recognised. This study examined variations in methyl donor concentrations in different cereals grown in Sweden. Fourteen cereal samples, representing different genera and cultivars, were analysed using HPLC- UV/FLD. The content of methyl donors in the cereals varied significantly due to cereal genotype. Betaine content varied most, with 28 mg/100 g DM in oats and 176 mg/100 g DM in rye. Total choline varied less, with 67 mg/100 g DM in rye and 149 mg/100 g DM in naked barley. In wheat, the lowest concentration of folate with 36 mg/100 g DM was found, and the highest of 91 mg/100 g DM in barley. Esterified choline was the major contributor to total choline content (80e95%) in the cereals. Free choline was less abundant, ranging from 3 to 27mg/100g DM. 5-CHO-H4folate was the dominant folate form in all cereals, amounting to approx. 35e50% of the sum of folates, as determined after pre-column conversion. Due to the limited number of available cultivars, no interpretation regarding effects from cultivar can be made. In conclusion, the studied cereal genotypes are good sources of methyl donors, but concentrations show considerable variation between different cereals.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 80, p. 72-79
National Category
Food Science
Research subject
Natural Science, Food Science
Identifiers
URN: urn:nbn:se:lnu:diva-72660DOI: 10.1016/j.jcs.2018.01.013ISI: 000430903300012OAI: oai:DiVA.org:lnu-72660DiVA, id: diva2:1197338
Available from: 2018-04-12 Created: 2018-04-12 Last updated: 2018-07-11Bibliographically approved

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Hefni, Mohammed E.Witthöft, Cornelia M.

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