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Identification and Quantification of Avenanthramides and Free and Bound Phenolic Acids in Eight Cultivars of Husked Oat (<i>Avena sativa L</i>) from Finland

By Salvatore Multari (4951897), Juha-Matti Pihlava (4951894), Priscilla Ollennu-Chuasam (4951888), Veli Hietaniemi (4951891), Baoru Yang (721791) and Jukka-Pekka Suomela (1707988)


Finland is the second largest oat producer in Europe. Despite the existing knowledge of phenolics in oat, there is little information on the phenolic composition of oats from Finland. The aim of the study was to investigate the concentrations of free and bound phenolic acids, as well as avenanthramides in eight Finnish cultivars of husked oat (<i>Avena sativa</i> L.). Seven phenolic acids and one phenolic aldehyde were identified, including, in decreasing order of abundance: <i>p</i>-coumaric, ferulic, cinnamic, syringic, vanillic, 2,4-dihydroxybenzoic, and <i>o</i>-coumaric acids and syringaldehyde. Phenolic acids were mostly found as bound compounds. Significant varietal differences (<i>p</i> < 0.05) were observed in the cumulative content of phenolic acids, with the lowest level found in cv. ‘Viviana’ (1202 ± 52.9 mg kg<sup>–1</sup>) and the highest in cv. ‘Akseli’ (1687 ± 80.2 mg kg<sup>–1</sup>). Avenanthramides (AVNs) 2a, 2p, and 2f were the most abundant. Total AVNs levels ranged from 26.7 ± 1.44 to 185 ± 12.5 mg kg<sup>–1</sup> in cv. ‘Avetron’ and ‘Viviana’, respectively

Topics: Biochemistry, Microbiology, Biotechnology, Ecology, Plant Biology, Space Science, Environmental Sciences not elsewhere classified, Biological Sciences not elsewhere classified, Chemical Sciences not elsewhere classified, Significant varietal differences, Total AVNs levels, Finland, phenolic acids, cv, mg, Avena sativa L, oat, kg
Year: 2018
DOI identifier: 10.1021/acs.jafc.7b05726.s001
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Provided by: FigShare
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