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Chemistry and Industry of Forest Products ›› 2022, Vol. 42 ›› Issue (1): 10-20.doi: 10.3969/j.issn.0253-2417.2022.01.002

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Study on Polyphenols in Lacquer Tree by Matrix Solid-phase Dispersion and HPLC-IT-TOF/MS

Hongxia CHEN1(), Hao ZHOU1,2, Ran TAO1, Zhiwen QI1, Wenjun LI1, Chengzhang WANG1,2,*()   

  1. 1. Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; Key Lab. of Biomass Energy and Material, Jiangsu Province; Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing 210042, China
    2. Research Institute of Forestry New Technology, CAF, Beijing 100091, China
  • Received:2021-01-04 Online:2022-02-28 Published:2022-03-11
  • Contact: Chengzhang WANG E-mail:shirenyahui@126.com;wangczlhs@sina.com

Abstract:

Matrix solid-phase dispersion was proposed to extract polyphenols in Toxicodendron vernicifluum (Stokes) F. A. Barkl. (Shaanxi lacquer tree). The MSPD conditions to extract polyphenols established by the single factor test were ZSM-22 as the adsorbent, adsorbent/sample ratio of 2:1 (g: g), grinding for 2 min, and use of 8 mL of 70% methanol as the elution solvent. Under these conditions, the polyphenols content of MSPD extraction was (466 ±2. 05)mg/g(calculated by gallic acid). An efficient and accurate method for identification of polyphenols in Shaanxi lacquer tree was established by HPLC-IT-TOF/MS. According to mass spectrometry, fragmentation pathway combined with published reports, total of 10 components were identified, including 3 gallic acid derivatives and 7 flavonoids as follows: gallic acid, methyl gallate, ethyl gallate, fustin, taxifolin, garbanzol, isorhamnetin, quercitrin, fisetin, sulfuretin. It was beneficial to the discovery and identification of compounds in Shaanxi lacquer tree by matrix solid-phase dispersion coupled with HPLC-IT-TOF/MS, and it could be significance for the analysis and quantification of extracts from Shaanxi lacquer tree samples.

Key words: matrix solid-phase dispersion, lacquer tree, polyphenols, HPLC-ESI-TOF-MS

CLC Number: