Abstract:  Capsaicinoids are principle pungent components of hot pepper fruit.This communication introducedstudies on chemical structures,characteristics and the physical function of capsaicinoids,especially the researchabout the capsaicin biosynthesis and oxidation metabolism.Several methods for quantitative analysis of capsaicinoidsare expounded and the application prospect of the plant cell culture in capsaicinoid production is also reviewed.

Key words:  , Hot pepper Capsaicin Cell culture Quantification Method；