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Molecules 2018, 23(8), 2078;

A Comparative Metabolomics Analysis Reveals the Tissue-Specific Phenolic Profiling in Two Acanthopanax Species

Key Laboratory of Plant Ecology, Northeast Forestry University, Harbin 150040, China
School of Forestry, Northeast Forestry University, Harbin 150040, China
Crop Research Institute of Heilongjiang University, Harbin 150080, China
Authors to whom correspondence should be addressed.
Received: 21 June 2018 / Revised: 24 July 2018 / Accepted: 24 July 2018 / Published: 20 August 2018
(This article belongs to the Special Issue Natural Product Isolation, Identification and Biological Activity)
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Acanthopanax senticosus (Rupr. Maxim.) Harms (ASH) and Acanthopanax sessiliflorus (Rupr. Maxim.) Seem (ASS), are members of the Araliaceae family, and both are used in Asian countries. These herbals have drawn much attention in recent years due to their strong biological activity, with innocuity and little side effects. However, the common and distinct mode of compound profiles between ASH and ASS is still unclear. In this study, a high performance liquid chromatograph-mass spectrometry (HPLC-MS) method was developed to simultaneously quantify the seven major active compounds, including protocatechuate, eleutheroside B, eleutheroside E, isofraxidin, hyperoside, kaempferol and oleanolic acid. Then the targeted metabolomics were conducted to identify 19 phenolic compounds, with tight relation to the above mentioned active compounds, including nine C6C3C6-type, six C6C3-type and four C6C1-type in the two Acanthopanax species studied here. The results showed that the seven active compounds presented a similar trend of changes in different tissues, with more abundant accumulation in roots and stems for both plants. From the view of plant species, the ASH plants possess higher abundance of compounds, especially in the tissues of roots and stems. For phenolics, the 19 phenols detected here could be clearly grouped into five main clusters based on their tissue-specific accumulation patterns. Roots are the tissue for the most abundance of their accumulations. C6C3C6-type compounds are the most widely existing type in both plants. In conclusion, the tissue- and species-specificity in accumulation of seven active compounds and phenolics were revealed in two Acanthopanax species. View Full-Text
Keywords: Acanthopanax; phenolic compounds; UPLC-Q-TOF-MS; tissue-specificity Acanthopanax; phenolic compounds; UPLC-Q-TOF-MS; tissue-specificity

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Wu, K.-X.; Liu, J.; Liu, Y.; Guo, X.-R.; Mu, L.-Q.; Hu, X.-H.; Tang, Z.-H. A Comparative Metabolomics Analysis Reveals the Tissue-Specific Phenolic Profiling in Two Acanthopanax Species. Molecules 2018, 23, 2078.

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