Scientific name
Guaiacum officinale
Family
Zygophyllaceae
Origin
South America
Parts Used
Drug consisting of wood ("wood iron")
Chemical constituents
- Resin;
- Essential oil (borneol, guaiacol and other terpene derivatives);
- Polysaccharides.
Guaiac in Herbalist: Properties of Guaiac
The use of guaiac wood for the preparation of herbal teas is no longer common today, because it irritates the stomach; the individual terpenes obtained from the essential oil are used as such, even in some drugs with mucolytic and sedative cough activity.
Contraindications
Avoid use in case of known hypersensitivity to one or more components.
Pharmacological interactions
- possible gastrolesivity if in association with NSAIDs and bitter drugs.
Guaiac - Warnings
Extracts or decoctions of guaiac wood should no longer be used, as they contain toxic norhydroguaiaretic acid (NDGA).
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