Tongkat Ali or its scientific name Eurycoma longifolia Jack, also known as “Malaysian Ginseng”, is a natural plant which grows in Malaysian tropical rainforest. Tongkat Ali is widely used in the preparation of Malay traditional medicine to boost energy, stamina and physical health in general.
Scientific name：Eurycoma longifolia Jack （latin）
Malay name：Tongkat Ali （Ali’s walking stick）
Vietnam name：Cay Ba Binh（ the tree that can cure all diseases）
Chinese name：东革阿里（translated from Malay）
Tongkat Ali can be used in the preparation of Malay traditional medicine by boiling it in order to extract the tonic for the purpose of healing fever, headache, stomach ache and to restore physical health in general. What makes Tongkat Ali unique is that every time it is consumed in its tonic form, one will be energized and healthy.
Research on Tongkat Ali
- Helps to improve libido and increases testosterone level
Weak libido and low testosterone levels are among the most common causes of Erectile Dysfuntion (male impotence). Tongkat Ali helps to improve libido and increases testosterone levels. Testosterone enchances role in the treatment of male impotence. Tongkat Ali is also believed to improve sperm count and quality, thus adding to its benefit in helping couples with fertility problem due to low sperm count (Sunday Times, May 30th, 1999).
- Anti-Oxidant Properties
Studies conducted by the Forest Research Institute Malaysia (FRIM) and the department of Science, University Kebangsaan Malaysia (UKM) discovered that Tongkat Ali contains SOD (Superoxide dismutase), an anti-oxidant enzyme. The study showed that Tongkat Ali inhibited the chain reaction of radicals harmful to the body system.
- Anti-Fever effects
In 1995, it was reported that the quassinoid from Tongkat Ali has an anti-fever effect. The quassinoid was two times more effective that aspirin.
- Anti-Cancer
Researchers in America and Japan reported that some plant chemicals found in the quassinoids and alkaloids found in Tongkat Ali have an effect of inhibiting the growth of cancer cells in laboratory experiments, which included breast cancer cells, colon cancer cells and leukemia. In plain English, this means that some compounds in Tongkat Ali can kill cancer cells.
Early results from a Malaysia Massachusetts Institute of Technology (MIT) study of the plant have found that some chemical constituents of Tongkat Ali show high anti-cancer and anti-HIV activity. Forest Research Institute Malaysia General Director Datuk Dr. Abdul Razak Mohd Ali said initial laboratory work had shown that a number of these chemical constituents of Tongkat Ali could be more effective than existing anti-cancer drugs.
- Anti-Anxiety effect
Studies conducted on mice showed that Tongkat Ali has an anxiolytic effect. Mice that were given Tongkat Ali had a significant decrease in episodes of fighting. They were also able to complete more squares on a maze than they could before they consumed the Tongkat Ali. These results were found to be consistent with the anxiolytic effect produced by diazepam. Therefore, this study supports the medicinal use of Tongkat Ali for treatment of anxiety.
- Anti-Malarial effect
Studies on the biological effects of Tongkat Ali began in the 1980's. Studies showed that the roots of Tongkat Ali contain a group of plant chemicals called quassinoid, alkaloid and peptide which has the property to kill malaria parasites.
东革阿里，学名为Eurycoma longifolia Jack, 也被称为马来西亚人参，是一种生长于马来西亚热带雨林的天然植物。它被广泛的使用于马来传统草药处方以提升精力，耐力和体力。
学名：Eurycoma longifolia Jack （拉丁文） 马来名：Tongkat Ali （马来人的拐杖）
越南名：Cay Ba Binh（ 能治百病的树）
中文名：东革阿里（马来文译音）
东革阿里用于马来传统处方以煮沸的方式提取精华来退烧，降低头疼，腹痛和修复健康。东革阿里的特点在于其精华，令人精力充沛，保持健康。
东革阿里的研究
- 提高睾酮水平进而改善性欲
性欲弱和睾酮水平低是造成勃起功能障碍（男性阳萎）最常见的原因。东革阿里可助提高睾酮水平进而改善性欲。据1999年5月30日的《星期日时报》，东革阿里相信可改善精子数量和质量，可帮助面对生育问题如精子数量少的夫妇。
- 抗氧化
马来西亚森林研究所配合国大科学部门的研究发现，东革阿里含有抗氧化物歧化酶（SOD)，是一种抗氧化酶。研究显示东革阿里可抵制对身体有害的自由基所产生的连锁反应。
- 抗发烧
1995年的报告指出，东革阿里的二萜类有抗发烧的作用。二萜类比阿司匹林两倍更有效。
- 抗焦虑
针对小老鼠作出的试验显示东革阿里有抗焦虑作用。小老鼠在服用东革阿里后，其搏斗倾向明显降低。它们能够在服用东革阿里后完成更多的迷宫游戏。这些结果都与地西泮（苯甲二氮䓬）所产生的抗焦虑作用是一致的。因此，这项研究强化了东革阿里在治疗焦虑的医药用途。
- 抗癌
美国和日本的研究学者发现，东革阿里所含的二萜类和生物碱成份可有效地抑制癌细胞的成长，当中包括乳癌细胞，肠癌细胞和白血病。另一种说法就是，东革阿里的一些成份可杀死癌细胞。
- 抗疟疾
有关东革阿里的生物效应研究始于1980年代。研究显示，东革阿里的根部含有二萜类，生物碱和肽，能杀死疟疾的寄生虫。
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