University Chemistry ›› 2026, Vol. 41 ›› Issue (6): 328-334.doi: 10.12461/PKU.DXHX202504013

• Science Education • Previous Articles    

Skatole: a fascinating journey from notorious odor to enchanting fragrance

Guangze Wang1, Ting Xu2, Shouchun Yin1   

  1. 1 College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, Zhejiang Province, China;
    2 School of Design Art, College of Science & Technology Ningbo University, Ningbo 315300, Zhejiang Province, China
  • Received:2025-04-01 Accepted:2025-06-10 Published:2026-06-18
  • Contact: Shouchun Yin E-mail:yinsc@hznu.edu.cn

Abstract: This study presents a novel exploration of 3-methylindole (skatole) through an imaginative narrative framework. Tracing its presence from stinky tofu fermentation to perfume formulation and laboratory synthesis, we systematically elucidate skatole’s natural biosynthesis, olfactory transformation mechanisms, and synthetic methodologies. Our approach aims to provide readers with both an intuitive grasp of skatole’s properties and a deeper understanding of its molecular structure and preparation techniques, thereby demonstrating chemistry’s remarkable role in everyday phenomena.

Key words: Skatole, 3-methylindole, Stinky tofu, Perfumery, Laboratory synthesis