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- Title
Comparison of Three Aphrodisiac Plants (Eurycoma longifolia, Polyalthia bullata and Stema tuberosa) Synonymous with Tongkat Ali.
- Authors
Ahmad, Fatinah; Said, Sharifah A. T.; Chakravarthi, Srikumar; Norhidayah, Aini; Mohamed, Binti; Edros, Raihana Z. B.; Vejayan, Jaya
- Abstract
The indigenous people of Malaysia pioneered the use of Tongkat Ali for its aphrodisiac purposes. They gave at least three plants the common name of Tongkat Ali, including E. longifolia, P. bullata and S. tuberosa. Since E. longifolia is the most widely used root of the three, it has undergone extensive research compared to P. bullata and S. tuberosa. Proteins found in E. longifolia have been proven to be the aphrodisiac bioactive constituent. Parameters such as pH level, moisture content, heavy metal content and microbial load were compared between all three roots after aqueous extraction under reflux, followed by quantitative protein assay, SDS PAGE and HPLC. The pH and moisture content of the extracts were within the acceptable ranges of 5% to 6% and 3% to 7% (w/w), respectively; additionally, no heavy metals were found. Microbes, which were initially detected, were undetectable once a decontamination step was introduced during the treatment. The protein yield for E. longifolia, P. bullata and S. tuberosa were 0.014%, 0.008% and 0.006% (w/w), respectively, and the SDS PAGE provided a single band within the range of 10 to 20 kDa molecular weight. The HPLC of Eurycomanone, a common quassinoid compound, was found in E. longifolia but not in the other two Tongkat Ali. In conclusion, the three plants investigated possess several physicochemical differences but share the same protein, likely contributing to their aphrodisiac activity.
- Publication
Tropical Journal of Natural Product Research, 2023, Vol 7, Issue 5, p3002
- ISSN
2616-0684
- Publication type
Academic Journal
- DOI
10.26538/tjnpr/v7i5.24