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Quality Evaluation of Tricholoma matsutake Based on the Nucleic Acid Compounds by UPLC-TOF/MS and UPLC-QqQ/MS

1
School of Pharmacy, Collaborative Innovation Center of Sichuan for Elderly Care and Health, Chengdu Medical College, Chengdu 610500, China
2
Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
3
Sichuan Provincial Center for Disease Control and Prevention, Chengdu 610041, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Chi-Fai Chau
Molecules 2019, 24(1), 34; https://doi.org/10.3390/molecules24010034
Received: 8 December 2018 / Revised: 20 December 2018 / Accepted: 20 December 2018 / Published: 21 December 2018
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Abstract

So far, there has been no quality evaluation of Tricholoma matsutake. Nucleic acid compounds are a kind of functional ingredient in T. matsutake that is beneficial to human health. In this study, a UPLC-TOF/MS method was first used to scan and identify the potential nucleic acid compounds in T. matsutake. Based on the calculation of the molecular formula and subsequent confirmation by authentic standards, 15 nucleic acid compounds were unambiguously identified: adenosine, cytidine, guanosine, inosine, thymidine, uridine, xanthosine dehydrate, 2′-deoxyadenosine, 2′-deoxycytidine, 2′-deoxyguanosine, 2′-deoxyuridine, adenosine 5′-monophosphate, cytidine 5′-monophosphate, guanosine 5′-monophosphate, and uridine 5′-monophosphate. Then, a UPLC-QqQ/MS method was developed for the subsequent quantitative analysis. After validating the limits of quantification, detection, precision, repeatability, and recovery through a calibration curve, the content of 15 nucleic acid compounds was determined by the proposed UPLC-QqQ/MS method in 80 T. matsutake samples collected from different regions in Sichuan province, Southwest China. After the statistical analysis, we suggest that the total content of nucleic acid compounds in the qualified T. matsutake should be higher than 24.49 mg/100 g. The results indicated that the combined use of UPLC-TOF/MS and UPLC-QqQ/MS is efficient for fast identification and determination of nucleic acid compounds to comprehensively evaluate the quality of T. matsutake. View Full-Text
Keywords: Tricholoma matsutake; quality evaluation; nucleic acid compound; UPLC-TOF/MS; UPLC-QqQ/MS Tricholoma matsutake; quality evaluation; nucleic acid compound; UPLC-TOF/MS; UPLC-QqQ/MS
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Xue, Y.; Jin, W.; Xu, X.-S.; Yong, L.; Hu, B.; Xiong, J.; Hu, X.-M.; Qing, L.-S.; Xie, J. Quality Evaluation of Tricholoma matsutake Based on the Nucleic Acid Compounds by UPLC-TOF/MS and UPLC-QqQ/MS. Molecules 2019, 24, 34.

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