(Simaroubaceae) Eurycoma longifolia Jack

Local name(s): (yeek boh tohng)

Medicinal use(s): Used as general tonic.

Part(s) used: root

Field Characters: Treelet with slender and straight stem, fruits green, semi-glossy. Rather common.

Locality: Savannakhet Province, Kaysone district, Medicinal Biodiversity Preserve, at 19 km from city center on road Kaysone-Seno..

Habitat: Broadleaved evergreen, lowland tropical rain forest in regeneration from some degree of past conversion.

Altitude: 158 m asl 

Collector(s): D.D. Soejarto, K. Sydara, O. Souliya

Collection number(s): DDS 14924

Collection Date: December 17, 2013

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2313824.

Synonyms, images, taxonomic description: 

Plants of the World onlineGBIF | Global Biodiversity Information Facility

Medicinal properties:

 

Bhat R, Karim AA. Tongkat Ali (Eurycoma longifolia Jack): A review on its ethnobotany and pharmacological importance. Fitoterapia 2010, volume 81, issue 7, pages 669-679. https://doi.org/10.1016/j.fitote.2010.04.006 .

Farag MA, Ajayi AO, Mohammed Taleb M, et al. A Multifaceted Review of Eurycoma longifolia Nutraceutical Bioactives: Production, Extraction, and Analysis in Drugs and Biofluids. ACS Omega 2023, vol 8, issue 2, pages 1838–1850. https://doi.org/10.1021/acsomega.2c06340

Rehman SU, Choe K, Yoo HH. Review on a Traditional Herbal Medicine, Eurycoma longifolia Jack (Tongkat Ali): Its Traditional Uses, Chemistry, Evidence-Based Pharmacology and Toxicology. Molecules 2016, 10;21(3):331. DOI: 10.3390/molecules21030331

 Segaran A, Chua LS, Ismail NIM. A narrative review on pharmacological significance of Eurycoma longifolia jack roots. Longhua Chinese Medicine 2021, vol 4. DOI: 10.21037/lcm-21-32