主要從事農產品貯藏與加工方面的教學和科研工作,專長於果蔬采後生物學與技術。已完成省部級科研項目5項,已鑑定課題4項,獲地廳級科技進步二等獎2項,國家發明專利3項。現主持國家自然基金項目、甘肅省農業生物技術研究與套用開發項目以及中國博士後基金面上項目各1項。合著《無公害蔬菜保鮮技術》(甘肅科學技術出版社)和《無公害果品保鮮技術》(甘肅科學技術出版社)專著2部,參編《Postharvest Pathology》(Springer)和《Handbook of Chitosan Research and Applications》(Nova Publisher)國外專著2部,以及國內專著和教材6部。在《Postharvest Biology and Technology》、《Phytoparasitica》、《Scientia Horticulturae》、《Agricultural Sciences in China》、《Journal of Food Science》、《中國農業科學》和《食品科學》等國內外學術刊物及國際會議論文集上發表論文40餘篇。
1. Li Yong cai, Bi Yang, Ge Yonghong, Sun Xiaojuan, and Wang Yi. Antifungal activity of sodium silicate on Fusarium sulphureum and its effect on dry rot of potato tubers. Journal of Food Science. 2009, 7:1334-1339. SCI
2. Li Yongcai, Sun Xiaojuan, Bi Yang, Ge Yonghong and Wang Yi. Antifungal activity of chitosan on Fusarium sulphureum in relation to dry rot of potato tuber. Agricultural Sciences in China. 2009, 8(5):597-604.
3. Li Yongcai, Sun Xiaojuan. Bi Yang, and Wang Yi. Postharvest sodium silicate treatment induces resistance in potato against Fusarium sulphureum. Acta Horticulturae. 2009. in press. ISTP
4. Wang Yi, Bi Yang, Li Yongcai, Yin Yan and Ge Yonghong. Antifungal activity of sodium silicate on Trichothecium roseum in vitro. Acta Horticulturae. 2009. in press. ISTP
5. Ding Bo, Li Yongcai*(通訊作者), Li Yunhua, Liu Jin and Bi Yang. Effect of intermittent warming and modified atmosphere packaging on chilling injury of plums. Acta Horticulturae. 2009. in press. ISTP
6. Zhang Haixia, Bi Yang, Li Yongcai, Liu Jin, Gao Xiaohui and Zheng Xiaoyi. Effect of 1-MCP on postharvest yellowing and quality of Asia pear (Pyrus bretchneideri Rehd. cv. Early Crisp) during ambient storage. Acta Horticulturae. 2009. in press. ISTP
11. Sun Xiao-juan , Bi Yang , Li Yong-cai*(通訊作者) , Han Rui-feng, Ge Yong-hong. Postharvest chitosan treatment induces resistance in potato against Fusarium sulphureum. Agricultural Sciences in China. 2008, 7(5): 615-621.
12. Wang Yi, Li Xuan, Bi Yang, Ge Yong-hong, Li Yong-cai, Xie Fang. Postharvest ASM or Harpin treatment induce resistance of muskmelons against Trichothecium roseum. Agricultural Sciences in China. 2008, 7(1):217-223.
13. Li Yongcai, An Lizhe, Ge Yonghong, Li Yi, Bi Yang. Detection and isolation of preformed antifungal compounds from the peel of Pyrus bretschneideri Rehd. cv. Pingguoli at different stages of maturity. Journal of Phytopathology. 2008. 156:115-119. SCI
16. Bi Yang. Li Yongcai, Ge Yonghong. Induced resistance in postharvest fruits and vegetables by chemicals and its mechanism. Stewart Postharvest Review. 2007, 12: 1-7.
18. Li Yongcai, Bi Yang. and An Lizhe. Occurrence and latent infection of Alternaria Rot of Pingguoli pear (Pyrus bretchneideri Rehd cv Pingguoli) fruits in Gansu, China. Journal of Phytopathology. 2007, 155:56-60. SCI
19. Bi Yang, Ge Yonghong, Li Yongcai and Wang Junjie, Mao Xiaoying and Li Xuewen. Postharvest acibenzolar-S-methyl treatment suppress decay and induces resistance in Hami melon. Acta Horticulturae. 2006, 1: 393-399 ISTP
28. Bi Yang, Tian Shipin, Liu Hongxia, Zhao Jie, Cao Jiankang, Li Yongcai, Zhang Weiyi. Effect of temperature on chilling injury, decay and quality of Hami melon during storage. Postharvest Biology and Technology, 2003, 29(2):229-232. SCI