Accumulation of phenylpropanoids and correlated gene expression during the development of tartary buckwheat sprouts

Journal of Agricultural and Food Chemistry
Xiaohua LiSang Un Park

Abstract

Buckwheat sprouts are considered an excellent dietary source of phenolic compounds. The time duration and amount of light for sprouting strongly affect the nutritional quality of sprouts. In this study, these two factors were investigated in two cultivars of tartary buckwheat sprouts: Hokkai T8 and T10. The transcriptional levels of flavonoid biosynthetic genes were investigated in light/dark- and dark-treated sprouts. Among the main flavonoid biosynthesis structural genes, FtPAL, Ft4CL, FtF3H, FtDFR, and FtANS exhibited higher transcriptional levels than others as compared to that of a housekeeping gene (histone H3) during sprouting; FtF3'H1, FtF3'H2, FtFLS2, and FtANS were substantially upregulated at 2, 4, and 6 days in light/dark-treated T10 sprouts than in dark-treated ones. However, FtDFR was downregulated in 8 and 10 day old light/dark-treated sprouts of both cultivars. High-performance liquid chromatography (HPLC) analysis revealed that increasing the culture time did not affect the accumulation of flavonoids or anthocyanins. However, light contributed the production of anthocyanins in Hokkai T10 sprouts. The anthocyanins included cyanidin 3-O-glucoside, cyanidin 3-O-rutinoside, and delphinidin-3-O-coumarylglucoside, wh...Continue Reading

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Citations

Apr 9, 2013·Journal of Agricultural and Food Chemistry·Woo Tae ParkSang Un Park
Jul 17, 2013·Journal of Agricultural and Food Chemistry·Chenguang ZhouYunbo Luo
Oct 25, 2014·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Shicheng ZhaoSang Un Park
May 30, 2015·Journal of Agricultural and Food Chemistry·Eva Tavčar Benković, Samo Kreft
Sep 12, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Oksana SytarIryna Smetanska
Apr 17, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jing LiBaili Feng
Jul 14, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jin JeonSang Un Park
Feb 20, 2019·Nutrients·Paolo BenincasaAngelica Galieni
Mar 5, 2014·Journal of Agricultural and Food Chemistry·Xiaohua LiSang Un Park

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