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Four new quassinoids from the roots of Eurycoma longifolia Jack
Fitoterapia, 2014Seven compounds were isolated from the roots of Eurycoma longifolia, and characterized by comprehensive analysis of 1D and 2D NMR experiments along with single crystal X-ray diffraction. Among them, four new quassinoids were identified and three of them were diastereomers for each other.
Dali, Meng +5 more
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ChemInform Abstract: KONSTITUENTEN VON EURYCOMA LONGIFOLIA JACK
Chemischer Informationsdienst. Organische Chemie, 1970AbstractAus den Inhaltsstoffen von Eurycoma longifolia Jack konnten neben den beiden Steroiden β‐Sitosterol und Campesterol noch 2,6‐Dimethoxy‐benzochinon (I) und ein Bitterstoff, das Eurycomalacton der Struktur (II), isoliert werden.
LE‐VAN‐THOI LE‐VAN‐THOI +1 more
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Effect of Eurycoma longifolia Jack on Libido in Middle Aged Male Rats
Journal of Basic and Clinical Physiology and Pharmacology, 2002The effect of increasing doses of various fractions of Eurycoma longifolia Jack extracts on libido was examined in middle-aged male rats. The results showed that a high dose (800 mg/kg) of all E. longifolia Jack extracts significantly increased mount frequency (MF) (P < 0.05) over that of untreated controls, but had no effect on the frequency of ...
Hooi Hoon, Ang, Kheng Leng, Lee
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Eurycoma longifolia Jack Enhances Sexual Motivation in Middle Aged Male Mice
Journal of Basic and Clinical Physiology and Pharmacology, 2003Eurycoma longifolia Jack was investigated for sexual motivation activity in adult, middle-aged male mice and in retired breeders, using the modified open field and the modified runway choice methods. Each mouse received 500 mg/kg of one of 4 fractions of E. longifolia Jack, viz.
Hooi Hoon, Ang +2 more
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Effect of Eurycoma longifolia Jack (Tongkat ali) extract on human spermatozoa in vitro
Andrologia, 2012Eurycoma longifolia (Tongkat ali; TA) is a Malaysian shrub used to treat various illnesses including male infertility. Considering that TA is used to improve male fertility and no report regarding its safety has been published, this study investigated the effects of TA extract on various sperm functions.
N, Erasmus +3 more
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Tongkat Ali (Eurycoma longifolia Jack): A review on its ethnobotany and pharmacological importance
Fitoterapia, 2010Eurycoma longifolia Jack is an herbal medicinal plant of South-East Asian origin, popularly recognized as 'Tongkat Ali.' The plant parts have been traditionally used for its antimalarial, aphrodisiac, anti-diabetic, antimicrobial and anti-pyretic activities, which have also been proved scientifically.
Rajeev, Bhat, A A, Karim
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Effects of Eurycoma longifolia Jack on sexual qualities in middle aged male rats
Phytomedicine, 2003The effects of Eurycoma longifolia Jack were studied on the sexual qualities of middle aged male rats after dosing them with 0.5 g/kg of various fractions of E. longifolia whilst the control group received 3 ml/kg of normal saline daily for 12 weeks. Results showed than E.
H H, Ang, T H, Ngai, T H, Tan
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Induction of apoptosis by Eurycoma longifolia jack extracts.
Anticancer research, 2005Extracts of the plant Eurycoma longifolia have been shown to possess cytotoxic, antimalarial, anti-ulcer, antipyretic and plant growth inhibition activities. The present study investigated the effects of extracts and their chromatographic fractions from the root of E. longifolia on the growth of a human breast cancer cell line, MCF-7.
Thiam Tsui, Tee +1 more
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Promotion of Sexual Activity in Rats withEurycoma longifoliaJack
Journal of Herbs, Spices & Medicinal Plants, 2000ABSTRACT Eurycoma longifolia Jack has been used in Malaysian traditional medicine to increase male virility and sexual prowess. To determine, whether the plant could actually promote sexual activity, male rats were treated with extracts of root tissue for a longitudinal study on copulatory behavior with female rats.
H. H. Ang, H. S. Cheang
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Journal of Ethnopharmacology, 2004
The roots of Eurycoma longifolia Jack have been used as traditional medicine to treat malaria. A systematic bioactivity-guided fractionation of this plant was conducted involving the determination of the effect of its various extracts and their chemical constituents on the lactate dehydrogenase activity of in vitro chloroquine-resistant Gombak A ...
Kit-Lam, Chan +3 more
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The roots of Eurycoma longifolia Jack have been used as traditional medicine to treat malaria. A systematic bioactivity-guided fractionation of this plant was conducted involving the determination of the effect of its various extracts and their chemical constituents on the lactate dehydrogenase activity of in vitro chloroquine-resistant Gombak A ...
Kit-Lam, Chan +3 more
openaire +2 more sources