完成和承担的科研项目：

1、国家自然科学基金青年基金-主持；

2、国家自然科学基金面上项目-主持；

3、海南省重点研发项目（3项）-主持；

4、海南省中药现代化专项-主持；

5、海南省自然科学基金-主持；

6、中国医学科学院创新工程-岗位科学家；

7、国家重点研发项目-参与；

8、海南省重大科技专项-参与等。

完成和承担的科研项目：

1、国家自然科学基金青年基金-主持；

2、国家自然科学基金面上项目-主持；

3、海南省重点研发项目（3项）-主持；

4、海南省中药现代化专项-主持；

5、海南省自然科学基金-主持；

6、中国医学科学院创新工程-岗位科学家；

7、国家重点研发项目-参与；

8、海南省重大科技专项-参与等。

研究成果获海南省科技进步二等奖1项，海南省科技进步三等奖1项，万宁市科技进步一等奖1项；申请专利9项，制定标准3项；在Food chemistry, Chemosphere, Industrial Crops&Products,Journal of Ethnopharmacology, Journalof Chromatography B, Molecules, World Mycotxin Journal, RSC advances,Analytical methods, Journal of Pharmaceutical and Biomedical Analysis, AMBExpress，Journal of Separation Science, Microchimica Acta, Anal. Bioanal. Chem, 药学学报，质谱学报等杂志发表论文60余篇。

近年发表的代表性论文：

[1]Xiangsheng Zhao, Dan Liu, Lei Zhang, Yakui Zhou, Meihua Yang*.Development and optimization of a method based on QuEChERS-dSPE followed by UPLC-MS/MS for the simultaneous determination of 21 mycotoxins in nutmeg and related products. Microchemical Journal, 2021, 168,106499.

[2]Xiangsheng Zhao, Canhong Wang, Hui Meng, Zhangxin Yu, Meihua Yang, Jianhe Wei*. Dalbergia odorifera: A review of its traditional uses, phytochemistry, pharmacology, and quality control. Journal of Ethnopharmacology. 2020. 248,112328.

[3] Xiangsheng Zhao, Shihui Zhang, Dan Liu, Meihua Yang, Jianhe Wei*. Analysis of Flavonoids in Dalbergia odorifera by Ultra-Performance Liquid Chromatography with Tandem Mass Spectrometry. Molecules 2020, 25, 389.

[4]Xiangsheng Zhao, Haifeng Wu, Jianhe Wei*, Meihua Yang*. Quantification and characterization of volatile constituents in Myristica fragrans Houtt. by gas chromatography-mass spectrometry and gas chromatography quadrupole-time-of- flight mass spectrometry. Industrial Crops & Products, 2019,130,137-145.

[5]Xiangsheng Zhao, Yan Mu, Meihua Yang*. A simple multi-residue method for determination of plant growth retardants in Ophiopogon japonicus and soil using ultra-performance liquid chromatography-tandem mass spectrometry. Chemosphere, 2018, 207, 329-336.

[6]Xiangsheng Zhao, Jianhe Wei, Meihua Yang*. Simultaneous Analysis of Iridoid Glycosides and Anthraquinones in Morinda officinalis Using UPLC-QqQ-MS/MS and UPLC-Q/TOF-MSE. Molecules, 2018, 23,1070.

[7]Xiangsheng Zhao, Weijun Kong, Yakui Zhou, Jianhe Wei*, Meihua Yang*. Evaluation and quantitative analysis of 11 compounds in Morinda officinalis using ultra-performance liquid chromatography–photodiode array coupled with chemometrics. Journal of Separation Science, 2017,40(20): 3996-4003.

[8]Xiangsheng Zhao, Weijun Kong, Sha Wang, Jianhe Wei*, Meihua Yang*. Simultaneous analysis of multiple mycotoxins in Alpinia oxyphylla by UPLC-MS/MS. World Mycotoxin Journal, 2017, 10(1):41-51.

[9]Xiangsheng Zhao, Jianhe Wei, Xiaoyan Shu, Weijun Kong, Meihua Yang*. Multi-elements determination in medical and edible Alpinia oxyphylla and Morinda officinalis and their decoctions by ICP-MS. Chemosphere, 2016, 164:430-435.

[10]Xiangsheng Zhao, Yakui Zhou, Weijun Kong, Bao Gong, Deli Chen, Jianhe Wei*, MeihuaYang*. Multi-residue analysis of 26 organochlorine pesticides in Alpinia oxyphylla by GC-ECD after solid phase extraction and acid cleanup. Journal of Chromatography B, 2016，1017-1018：211-220.

[11]Xiangsheng Zhao, Deli Wang, Hongmei Luo, Meihua Yang*. Stmultaneous determination of three alkaloids in Huperzia serrata by UPLC-PDA and UPLC-Q/TOF-MS. Analytical Methods, 2015, 7, 1770-1776.

[12]Xiangsheng Zhao，Jianhe Wei，Weijun Kong, Meihua Yang*. Quality evaluation of Alpinia oxyphylla after Aspergillus favus infection for storage conditions optimization. AMB Express, 2017, 7: 151-160.

[13]Xiangsheng Zhao, Liwei Xie, Haifeng Wu, Weijun Kong and Meihua Yang*. Analysis of six bioactive components in Semen Ziziphi Spinosae by UPLC-ELSD and UPLC-QTOF-MS. Analytical Methods, 2014, 6, 5856-5864.

[14]Xiangsheng Zhao, Weijun Kong, Jianhe Wei, Meihua Yang*. Gas chromatography with flame photometric detection of 31organophosphorus pesticide residues in Alpinia oxyphylla dried fruits. Food Chemistry, 2014, 162:270-276.