Biotechnology Bulletin ›› 2022, Vol. 38 ›› Issue (11): 80-89.doi: 10.13560/j.cnki.biotech.bull.1985.2022-0122

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Establishment of HPLC Method for Simultaneous Determination of Ten Carotenoids

KONG Qian1(), HUANG Wen-jie1, WU Shao-wen1, LI Kun2, ZHANG Ming-wei3, YAN Shi-juan1()   

  1. 1. Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization,Agro-biological Gene Research Center,Guangdong Academy of Agricultural Sciences,Guangzhou 510640
    2. Crops Research Institute Guangdong Academy of Agricultural Sciences,Guangzhou 510640
    3. Key Laboratory of Functional Foods by Ministry of Agriculture and Rural Affairs,Guangdong Academy of Agricultural Sciences,Guangzhou 510610
  • Received:2022-01-26 Online:2022-11-26 Published:2022-12-01
  • Contact: YAN Shi-juan E-mail:kongqian@agrogene.ac.cn;shijuan@agrogene.ac.cn

Abstract:

This study developed a method for simultaneously determining 10 carotenoids of lutein, zeaxanthin, α-cryptoxanthin, β-cryptoxanthin, ε-carotene, α-carotene, β-carotene, (6R)-δ-carotene, γ-carotene, and lycopene by reverse-phase C30 high performance liquid chromatography. Carotenoid extracts for each sample were separated by a reverse-phase C30 column(YMC carotenoid C30, 250 mm×4.5 mm, 5 μm)with its column temperature of(25±1)℃, and eluted using the mobile phase A(A1∶B1=9∶1, V/V)and B(A1∶B1=1∶9, V/V)with the flow rate of 1 mL/min. The mobile phase A1 consisted of methanol:water(97∶3, V/V)with 0.05 mol/L ammonium acetate and 0.1%(W/V)2, 6-di-tert-butyl-4-methylphenol(BHT), and the mobile phase B1 consisted of 100% methyl tert-butyl ether with 0.1%(W/V)BHT. The effluents were then monitored at 450 nm using a photo diode array detector. The calibration curves of these ten carotenoids showed a good linearity with the concentration range of 0.5-20 μg/mL and linear relative coefficients(R2)were > 0.995;limit of detection(S/N=3)was 0.01-1.6 μg/mL, limit of quantitation(S/N=10)was 0.2-4.0 μg/mL, average recovery was 96.29%-104.47%, relative standard deviation was of 0.03%-1.24%, with 40 min of whole process. The method has been applied for measuring carotenoids content in banana fruit and maize kernel samples, i.e., verifying the stability, accuracy and reliability of this method in real agricultural biological samples.

Key words: reverse-phase C30 column, high performance liquid chromatography, carotenoids, method establishment