果蔬采后品质控制与营养代谢；

食品保鲜材料；

果实采后分子生物学研究

《食品贮藏原理与技术》；

《食品包装学》；

《食品贮藏原理与技术实验》；

《食品科学与工程导论》

天津市食品学会副理事长；

《食品研究与开发》编委；

《保鲜与加工》编委

主持国家自然基金5项、省部级项目10余项。发表SCI论文70余篇。授权发明专利4项,编写专著教材11部。荣获省部级科技一等奖和二等奖各1项，天津市优秀食品科技工作者，天津市优秀硕士论文指导教师。

科研项目：

1.国家自然基金项目：NAC-乙烯-IAA调控网络在番茄果实成熟中的作用解析，起止时间：2021年1月-2024年12月

2.国家自然基金项目：基于CRISPR/Cas9技术的NAC4与NAC9调控番茄成熟衰老差异模式，起止时间：2019年1月-2022年12月

3.国家自然基金项目：NAC转录因子与乙烯、ABA协同调控番茄果实成熟模式研究，起止时间：2017年1月-2020年12月

4.国家自然基金项目：番茄果实成熟衰老中NAC转录因子与乙烯合成、信号传导相关蛋白的互作机制研究，起止时间：2015年1月-2016年12月

5.国家自然基金项目：基于VIGS的番茄成熟衰老、乙烯相关转录因子NAC的分离与功能分析，起止时间：2012年1月-2015年12月

发表论文(近5年第一作者或通讯作者发表部分论文)

1) Xiaohan Wang, Zhaohui Xue, Yijie Sun, Bo Peng, Caie Wu, Xiaohong Kou,* Chitosan-ginger essential oil nanoemulsions loaded gelatin films: A biodegradable material for food preservation. International Journal of Biological Macromolecules 280 (2024) 135791

2) Sen Cao, Linxiang Qiao, Tianyu Huang, Yu Zhang, Guangfan Qu, Xiaohong Kou,* Melatonin reduces postharvest decay of blueberries by regulating ascorbate–glutathione cycle and membrane lipid metabolism. Postharvest Biology and Technology 218 (2024) 113185

3) Jingyi Zhang, Cunkun Chen, Caie Wu, Xiaohong Kou,* Zhaohui Xue,* Storage quality prediction of winter jujube based on particle swarm optimization-backpropagation-artificial neural network (PSO-BP-ANN). Scientia Horticulturae. 331 (2024) 112789

4) Linyuan Liu, Yu Wang, Zhaohui Xue, Bo Peng, Xiaohong Kou,**, Zhixian Gao,* Research progress of dual-mode sensing technology strategy based on SERS and its application in the detection of harmful substances in foods. Trends in Food Science & Technology. 148 (2024) 104487

5) Sen Yang , Yu Cheng, Mingxing Liu, Jianpu Tang, Siqi Li, Yan Huang, Xiaohong Kou* , Chi Yao *, Dayong Yang* Sequential assembly of DNA nanoparticles inside cells enables lysosome interference and cell behavior regulation. Nano Today 56 (2024) 102224

6) XiaoYang Zhao, ZhaoHui Xue, YeFang Liu, ZhengYu Huang, YiJie Sun, CaiE Wu, XiaoHong Kou. ChIP-seq revealed the role of tomato SNAC4 in response to biological and abiotic stresses and mediating auxin signaling response. Postharvest Biology and Technology 209 (2024) 112696

7) Zhengyu Huang, Zhaohui Xue, Xiaoyang Zhao, Caie Wu, Yijie Sun, XiaoHong Kou,* Transcription factors, potential regulatory targets in fruit defense responses to pathogens. Postharvest Biology and Technology 206 (2023) 112589

8) Feng Y, Kou X H*, Yuan S, Wu C E, Zhao X Y, Xue Z H, Li Q X, Huang Z Y, Sun Y J. CRISPR/Cas9-mediated SNAC9 mutants reveal the positive regulation of tomato ripening by SNAC9 and the mechanism of carotenoid metabolism regulation. Horticulture Research, 2023, 10(4): uhad019.

9) Yuan S, Xue Z H, Zhang S L, Wu C E, Feng Y, Kou X H*. The characterization of antimicrobial nanocomposites based on chitosan, cinnamon essential oil, and TiO2 for fruits preservation. Food Chemistry, 2023, 413:135446.

10) Zhang jingyi, Chao Wang, Cunkun Chen, Shengli Zhang, Xiaoyang Zhao, Caie Wu, Xiaohong Kou*, Zhaohui Xue,* Glycine betaine inhibits postharvest softening and quality decline of winter jujube fruit by regulating energy and antioxidant metabolism. Food Chemistry, 2023, 410: 135445

11) JiaQian Zhou, XiaoYang Zhao, Sen Yang, Cai E Wu, ZhaoHui Xue*, XiaoHong Kou,* Differential roles of SNAC4 and SNAC9 in ABA-mediated softening during tomato fruit ripening. Scientia Horticulturae. 2023, 310: 111685

12) Yang S, Zhou J, Watkins C B, Wu C, Feng Y, Zhao X, Xue Z, Kou X. *, NAC transcription factors SNAC4 and SNAC9 synergistically regulate tomato fruit ripening by affecting expression of genes involved in ethylene and abscisic acid metabolism and signal transduction, Postharvest Biology and Technology, 178 (2021) 111555

13) Kou XH, Zhou JQ, Wu CE, Yang S, Liu YF, Chai LP, Xue ZH. The interplay between ABA/ethylene and NAC TFs in tomato fruit ripening: A review. Plant Molecular Biology, 2021, 106:223–238高被引论文

14) Xiaohong Kou, Sen Yang, Liping Chai, Caie Wu, Jiaqian Zhou, Yefang Liu , Zhaohui Xue Abscisic acid and fruit ripening: Multifaceted analysis of the effect of abscisic acid on fleshy fruit ripening, Scientia Horticulturae,2021, 281,109999,1-11

15) Xiaohong Kou, Yulong He, Yunfei Li, Xiuyu Chen, Yanchun Feng, Zhaohui Xue. Effect of abscisic acid (ABA) and chitosan/nano-silica/sodium alginate composite film on the color development and quality of postharvest Chinese winter jujube (Zizyphus jujuba Mill. cv. Dongzao) . Food Chemistry 270 (2019) 385–394