The rhizome cut into thin slices is gently simmered in water for about ten minutes according to traditional uses. This preparation, which is not standardized, should be prepared under the guidance of an experienced herbalist or after professional advice. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
The finely grated rhizome is left to macerate for several weeks in a neutral vegetable oil, protected from light, before filtration. This oil was traditionally intended for external use only, in light frictions. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
The dried rhizome is ground into fine powder, sometimes mixed with honey or warm water in traditional uses. The scarcity of data on appropriate quantities calls for the utmost caution and qualified advice before use. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
This plant remains rare in Europe; it is mainly found in a few specialized herbalist shops dealing with Asian plants or through local cultivation in South and Southeast Asia.
The rhizome is traditionally harvested during the dry season, when the plant has reached its full vegetative maturity.