Cat’s Whiskers or Java Tea (Orthosiphon Stamineus) Reviews
Orthosiphon stamineus Benth. have been widely used as herbal tea called “cat’s whiskers or Java tea” in Asian and European countries. The herb is widely distributed in Southeast Asian countries, particularly Malaysia, Indonesia, and China. Cat’s whiskers (Orthosiphon stamineus) or Java tea has been traditionally used in the treatment of various ailments including eruptive fever, epilepsy, gallstones, hepatitis, rheumatism, hypertension, syphilis and renal calculus. It is reported that the herb has dynamic pharmacological properties including anti-inflammatory, antioxidant, and antibacterial properties. The extracts of O. stamineus have been shown to be exceptionally safe with no signs of toxicity in vivo. Antitumour studies have shown that solvent extract of O. stamineus inhibited human colon tumour in nude mouse xenograft model.
Chemical Constituent of Orthosiphon Extract
Java Tea was listed in some pharmacopoeias including The Malaysian Herbal Monograph, British Pharmacopoeia, and Materia Medika Indonesia.
Previous phytochemical studies on O. stamineus have reported the leaves contain a high concentration of phenolic compounds; Sumaryono et al. isolated twenty phenolic compounds including nine lipophilic flavones, two flavonol glycosides, and nine caffeic acid derivatives which includes rosmarinic acid (RA) and 2,3-dicaffeoyltartaric acid. This plant was also found to contain other compounds such as isopimarane-type diterpenes, highly oxygenated staminane-type diterpenes, and the pentacyclic triterpenes such as betulinic acid, oleanolic acid, ursolic acid and b-sitosterol. Literature survey reveals few high-performance liquid chromatography (HPLC) methods for the quantification of polyphenols in this plant extracts but these methods suffered from drawbacks like time consuming for HPLC separation, use of buffer which may deteriorate efficiency of column or HPLC system and use of unfriendly solvent system. Thus, there is a great need for a faster, reproducible and reliable method for routine standardization work of O. stamineus extracts as well as raw leaves and commercial products for quality control purposes. In that sense, this present study has been undertaken to develop and validate a novel RP-HPLC-diode-array detection (DAD) method for the analysis of four marker compounds which include RA, 3’-hydroxy-5, 6, 7, 4’-tetramethoxyflavone (TMF), sinensetin (SIN) and eupatorin (EUP) with a shorter run time and using environmental-friendly solvent system and to suit to mass spectrometry (MS) analysis as well as application in pharmacokinetic study in future research.
Health Benefits of Orthosiphon Extract
Java tea has been traditionally used in the treatment of various ailments including eruptive fever, epilepsy, gallstones, hepatitis, rheumatism, hypertension, syphilis and renal calculus. Here look at some modern scientific key findings of Orthosiphon Extract as the following:
Kidney Stones Treatment.
Clinical trials have shown that in 40% of patients with kidney stones of 0.5 cm diameter that was subjected to orthosiphon indicated an improvement in six months. In a similar study, about In 20% of the patients with other kidney complaints were cured and the patients were free of pain and discomfort.
In a study conducted for Orthosiphon. Results have demonstrated that there is reduction in blood sugar level for non-insulin dependent diabetics after being subjected for treatment in six months. Orthosiphon also acts on hypertension (high blood pressure). It reduces water and therefore as it has no side effects it can be used in place of pharmaceutical diuretics whether these are potassium saving, uricosurics, or others. It also has a significant effect on high renal blood pressure. As a consequence of treating high blood pressure, kidney stones and disorders can also be cured.
Antioxidant and hepatoprotective effects of Orthosiphon stamineus.
In a clinical study in rats using methanol/water extract of orthosiphon have shown that orthosiphon exhibited antioxidant, lipid peroxidation inhibition and free radical scavenging activities into the rats’ liver.
Orthosiphon Extract Side effects
Orthosiphon Extract is POSSIBLY SAFE when used by mouth, short-term. No unwanted side effects have been noted. For those who do note any unwanted side effects, please inform your health practitioner or pharmacist.
Orthosiphon Extract dosage
The appropriate dose of Orthosiphon Extract depends on several factors such as the user’s age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for Orthosiphon Extract. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult your pharmacist or physician or other healthcare professional before using.
Where to buy high quality Orthosiphon Stamineus Extract
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