4.3 Article

Simultaneous determination of plant endogenous hormones in green mustard by liquid chromatography - Tandem mass spectrometry

Journal

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
Volume 49, Issue 12, Pages 111-117

Publisher

SCIENCE PRESS
DOI: 10.1016/j.cjac.2021.10.008

Keywords

Plant endogenous hormone; Gibberellin; Auxin; Cytokinin; Mustard; Liquid chromatography-tandem mass spectrometry

Funding

  1. Development Profiling Method for Foods Originating from Plants in Vietnam [TD NDTP.01/19-21]
  2. Research of the Effects of Plant Growth Regulators on the Growth and Development of Vegetables, and Their Ability to Accumulate in Veg-etables [QTHU01.01/20-21]
  3. [K124430]
  4. [NKM2019/4]

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This study presents a method for the simultaneous determination of 14 plant endogenous hormones in Brassica Juncea, showing good linearity, low detection limits, and high recovery rates. The proposed method is fast, simple, sensitive, accurate, and efficient for analyzing plant endogenous hormones in green mustards.
This study described a method for simultaneous determination of 14 kinds of plant endogenous hormones in Brassica Juncea (L) Czern, including indole-3-acetic acid, indole-3-butyric acid, indole-3-carboxylic acid, 3-indolepropionic acid, gibberellin A(3), gibberellin A(4), gibberellin A(7), N6-benzyladenine, N6-isopentenyladenine, isopentenyladenosine, trans-zeatin, kinetin, dihydrozeatin riboside and trans-zeatin riboside. Vegetable tissues were extracted in order with 2-propanol/water/concentrated HCl (2:1: 0.002, V/V) and dichloromethane, respectively. The method showed good linearity for all 14 plant endogenous hormones, with regression coefficients (R-2) > 0.9961. The limits of detection ranged from 0.2 to 32.6 ng/g, the overall average of recoveries of plant endogenous hormones ranged from 81.71% to 105.74%, and the relative standard deviation was less than 20%. The proposed method is fast, simple, sensitive, accurate, and efficient for the analysis of plant endogenous hormones in green mustards, which could be the basis to develop methods for determination of plant growth regulators in other vegetables as agricultural products.

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