The significance of sukumo (composted indigo leaves) as a microbial source for traditional Japanese indigo dyeing
Souichiro Kato, Kensuke Igarashi, Shusei Kanie, Kyosuke Yamamoto, Wataru Kitagawa, Takashi Narihiro, Kenta Watanabe, Kenta Fujii, Isao Ftokichi Yumoto, Yoshiyuki Ueno
This study investigates sukumo's role as a microbial source in traditional Japanese indigo dyeing, showing that mature sukumo and specific bacteria enhance dyeing performance.
bioRxiv · Jan 29, 2026 · PreprintMicrobiology