Scientific Papers

Laurel

Here we show you researches conducted on bilberry.

Safety evaluation on excessive intake of Laurus nobilis leaf extract（LAURESH®） ―A randomized, double—blind, placebo—controlled, parallel—group comparison study―

【2026】

Yukiko Kobayashi 1, Kanami Ishikura 1, Haruka Oshikiri 1, Tsuyoshi Takara 2, Tomoko Kuniyoshi 1, Jinwei Yang 1

  1. TOKIWA PHYTOCHEMICAL CO., LTD.
  2. Medical Corporation Seishinkai, Takara Clinic.

Jpn Pharmacol Ther

2026, 54(7), 477-86

Effects of Laurus nobilis Leaf Extract (LAURESH®) on Oral and Gut Microbiota Diversity in Mice

【2024】

 

Tetsuro Morikawa1, Durga Paudel2, Osamu Uehara3, Dedy Ariwansa1, Yukiko Kobayashi4, Jinwei Yang4, Koki Yoshida1 and Yoshihiro Abiko1

 

  1. Division of Oral Medicine and Pathology, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Hokkaido, Japan
  2. Advanced Research Promotion Center, Health Sciences University of Hokkaido, Hokkaido, Japan
  3. Division of Disease Control and Molecular Epidemiology, Department of Oral Growth and Development, School of Dentistry, Health Sciences University of Hokkaido, Hokkaido, Japan
  4. R&D Department, Tokiwa Phytochemical Co., Ltd., Chiba, Japan

 

In vivo

38(4) 1758-1766  (2024)

Safety studies of LAURESH® a standardized Laurus nobilis leaf extract

【2023】

 

 

Chin Piow Wong 1), Yukiko Kobayashi 1), Jinwei Yang 1)

 

1) Tokiwa Phytochemical Co., Ltd. 

 

Fundamental Toxicological Sciences (Fundam. Toxicol. Sci.)

10 (4) 143-156 (2023)

The effect of ingesting of foods containing Laurus nobilis leaf extract（LAURESH®） on oral environment in healthy subjects —A randomized, double—blind, placebo—controlled parallel—group comparison study—

【2021】

Tomoko Kuniyoshi1), Yukiko Kobayashi1), Haruno Honda1), Chin Piow Wong1), Toui Abe2), Jinwei Yang1), Masahiko Horiuchi3)


1) Tokiwa Phytochemical Co., Ltd.
2) ORTHOMEDICO Inc.
3) Medical Corporation Yuseikai, Horiuchi Dental Clinic


Jpn Pharmacol Ther　
49 (11) 1913-24 (2021)