Ratanhiae radix

Synonym(s)

Radix Krameriae; Ratanhia root

Definition
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Ratanhiae radix, the extract from the dried roots of the plant Ratanhia without rhizomes. Ratanhia root is the officinal drug, which is often used as an astringent tincture mixed with myrrh tincture (see Myrrha below).

Commission E monograph: mild inflammation of the oral and pharyngeal mucosa; locally on denture pressure points

ESCOP monograph: For inflammation of the oral cavity, gingivitis and sore throat

Empirical medicine: Diarrhea, pernions, hemorrhoids, 1st degree burns. External: Acne.

Cosmetic industry: Krameria triandra extract (INCI)

Ingredients
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Efficacy-determining ingredients are tanning agents (up to 15%) mainly from the group of catechin tanning agents, which are mainly concentrated in the root bark. During hydrolytic cleavage (e.g. during prolonged standing) glucose and the medicinally ineffective phlobaphene, ratanhiarot, is produced. The extract contains other substances such as catechins, lignans, starch, wax, etc.

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Effects
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Astringent, antibacterial, antioxidant

Field of application/use
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Indications according to Commission E: Topical applications for mild inflammations of the mouth and throat(gingivitis, stomatitis, pharyngitis)

Dosage
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Pour 1 cup of boiling water over about 1 g of the crushed drug. Leave to stand for 5-10 minutes, strain and use to rinse and gargle. Undiluted tincture for brushing inflammatory areas.

Undesirable effects
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Rare allergic reactions

Contraindication
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known allergy to any of the ingredients

Recipe(s)
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see below

Ratanhia camomile sage gargle, astringent

Ratanhia myrrh adstringens (NRF 7.1.)

Trade names
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Repha-Os® mouth spray, Salviathymol® drops, Weleda Ratanhia dental care or toothpaste or mouthwash

Note(s)
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Folk medicine applications in toothpastes, for frostbite, dermatitis solaris

Literature
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Baumgartner L et al. (2011) Quantitative analysis of anti-inflammatory lignan derivatives in Ratanhiae radix and its tincture by HPLC-PDA and HPLC-MS. J Pharm Biomed Anal 56:546-552.
Stahl E et al. (1981) New lipophilic benzofuran derivatives from Ratanhia root. Planta Med 42:144-154
Wenigmann M. (2017) Phytotherapy medicinal drugs, phytopharmaceuticals, application. Urban & Fischer, pp. 177-178
Blaschek W (2015) Wichtl tea drugs and phytopharmaceuticals. A handbook for practice. Wissenschaftliche Verlagsgesellschaft Munich. S 541-542