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Acta Horticulturae Sinica ›› 2025, Vol. 52 ›› Issue (8): 2133-2154.doi: 10.16420/j.issn.0513-353x.2024-0995

• Reviews • Previous Articles     Next Articles

Research Advances of Volatiles in Capsicum Species

LI Shi1, LAN Jiayi1, YANG Ting1, FU Wen1, ZHU Chenghong1, YANG Sha2, XU Hao3, LIU Feng2, XIONG Cheng3, ZOU Xuexiao1,2,3, and DAI Xiongze1,2,3,*()   

  1. 1 College of HorticultureHunan Agricultural University, Changsha 410128, China
    2 Engineering Research Center for Horticultural Crop Germplasm Creation and New Variety BreedingMinistry of Education, Changsha 410128, China
    3 Key Laboratory for Vegetable Biology of Hunan Province, Changsha 410128, China
  • Received:2025-03-13 Revised:2025-06-03 Online:2025-08-25 Published:2025-08-19
  • Contact: and DAI Xiongze

Abstract:

This review summarizes the research progress on fruit volatiles in Capsicum species,their influencing factors,and the changes in volatile composition across five cultivated species. To date,a total of 153 volatiles have been identified in peppers,primarily including terpenes,esters,aldehydes,alcohols,and ketones,with pyrazines and sulfur-containing compounds being the predominant volatiles in fresh peppers. Among these,54 volatiles are shared by fresh peppers,dried peppers,and chili powder,mainly comprising aldehydes,terpenes,alcohols,ketones,and esters. The volatile contents in three cultivated species-C. annuumC. frutescens,and C. Chinense-are more abundant than those in C. pubescens,especially in the content of esters. This suggests that the increase in aromatic compounds may be the result of domestication and cultivation. Future research will aim to further clarify the volatile contents that contribute to fruit quality,identify related genes,elucidate evolutionary pathways,explore germplasm resources,and cultivate new varieties with unique aroma.

Key words: capsicum, volatiles, characteristics of aromatic compounds, fruit quality