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Differential Accumulation of Anthocyanins in Dendrobium officinale Stems with Red and Green Peels.


ABSTRACT: Dendrobium officinale stems, including red and green stems, are widely used as a dietary supplement to develop nutraceutical beverages and food products. However, there is no detailed information on pigment composition of red and green stems. Here, we investigated the content and composition of pigments in red and green stems by Ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry and assessed the differential accumulation of anthocyanins at the molecular level. The color of peels in red stems was caused by the presence of anthocyanins in epidermal cells unlike the peels of green stems. The glucoside derivatives delphinidin and cyanidin are responsible for the red color. Within the D. officinale anthocyanidin biosynthetic pathway, DoANS and DoUFGT, coding for anthocyanidin synthase and UDP-glucose flavonoid-3-O-glucosyltransferase, respectively, are critical regulatory genes related to the differential accumulation of anthocyanidin. These findings provide a more complete profile of pigments, especially anthocyanin, in D. officinale stems, and lay a foundation for producing functional foods.

SUBMITTER: Yu Z 

PROVIDER: S-EPMC6212978 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature

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Differential Accumulation of Anthocyanins in <i>Dendrobium officinale</i> Stems with Red and Green Peels.

Yu Zhenming Z   Liao Yinyin Y   Teixeira da Silva Jaime A JA   Yang Ziyin Z   Duan Jun J  

International journal of molecular sciences 20180920 10


<i>Dendrobium officinale</i> stems, including red and green stems, are widely used as a dietary supplement to develop nutraceutical beverages and food products. However, there is no detailed information on pigment composition of red and green stems. Here, we investigated the content and composition of pigments in red and green stems by Ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry and assessed the differential accumulation of anthocyanins at the molecular le  ...[more]

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