Evaluation of acute 13-week subchronic toxicity and genotoxicity of the powdered root of Tongkat Ali (Eurycoma Longifolia Jack)

Ching Hao Li, Jiunn Wang Liao, Po Lin Liao, Wei Kuang Huang, Ling Shan Tse, Cheng Hui Lin, Jaw Jou Kang, Yu Wen Cheng

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Tongkat Ali (Eurycoma longifolia) is an indigenous traditional herb in Southern Asia. Its powdered root has been processed to produce health supplements, but no detailed toxicology report is available. In this study, neither mutagenicity nor clastogenicity was noted, and acute oral LD 50 was more than 6 g/kg b.w. After 4-week subacute and 13-week subchronic exposure paradigms (0, 0.6, 1.2, and 2 g/kg b.w./day), adverse effects attributable to test compound were not observed with respect to body weight, hematology, serum biochemistry, urinalysis, macropathology, or histopathology. However, the treatment significantly reduced prothrombin time, partial thromboplastin time, blood urea nitrogen, creatinine, aspartate aminotransferase, creatine phosphate kinase, lactate dehydrogenase, and cholesterol levels, especially in males (P <0.05). These changes were judged as pharmacological effects, and they are beneficial to health. The calculated acceptable daily intake (ADI) was up to 1.2 g/adult/day. This information will be useful for product development and safety management.

Original languageEnglish
Article number102987
JournalEvidence-based Complementary and Alternative Medicine
Volume2013
DOIs
Publication statusPublished - 2013

Fingerprint

Eurycoma
Safety Management
No-Observed-Adverse-Effect Level
Urinalysis
Phosphocreatine
Partial Thromboplastin Time
Blood Urea Nitrogen
Prothrombin Time
Health
Hematology
Creatine Kinase
Aspartate Aminotransferases
L-Lactate Dehydrogenase
Biochemistry
Toxicology
Creatinine
Cholesterol
Body Weight
Pharmacology
Serum

ASJC Scopus subject areas

  • Complementary and alternative medicine

Cite this

Evaluation of acute 13-week subchronic toxicity and genotoxicity of the powdered root of Tongkat Ali (Eurycoma Longifolia Jack). / Li, Ching Hao; Liao, Jiunn Wang; Liao, Po Lin; Huang, Wei Kuang; Tse, Ling Shan; Lin, Cheng Hui; Kang, Jaw Jou; Cheng, Yu Wen.

In: Evidence-based Complementary and Alternative Medicine, Vol. 2013, 102987, 2013.

Research output: Contribution to journalArticle

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AU - Huang, Wei Kuang

AU - Tse, Ling Shan

AU - Lin, Cheng Hui

AU - Kang, Jaw Jou

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