© Walther Otto Müller, Köhler's Medizinal-Pflanzen (1887) · Public domain · Commons
Common centaury
CautionEchtes Tausendgüldenkraut · (Centaurium erythraea)
Gentian family (Gentianaceae)
Description
Common centaury (Centaurium erythraea) is an upright annual-to-biennial herb of the gentian family reaching 20–60 cm. From a basal rosette it sends up a stem with opposite leaves, and from June to September bears clusters of small pink-to-purple star-shaped flowers. The flowering herb is used — one of Europe's most intensely bitter medicinal plants.
CONTRAINDICATED for children
Use in children and adolescents under 18 not recommended.
Classic bitter tea (amarum) for loss of appetite and mild digestive complaints — taken before meals.
Preparation & dosage
INFUSION: Pour 200 ml boiling water over 1–4 g of the comminuted herb, cover and steep about 10 minutes, then strain; up to 4 times daily. For loss of appetite, traditionally taken about half an hour before meals — the bitters stimulate saliva and gastric juice. If complaints last more than 2 weeks, consult a doctor.
- Dry amount
- 1–4 g
- Doses per day
- 4×
- Max duration
- 2 weeks
⚠ Age restriction: ≥ 18 years — Use in children and adolescents under 18 not recommended.
Sources: [1]
Concentrated bitter tincture to stimulate appetite and digestion.
Preparation & dosage
TINCTURE: 1.5–5 g (ml) single dose, up to 3 times daily, before meals in a little water. A concentrated bitter form. Due to the alcohol content, not for pregnant or breastfeeding women, children, or people with liver disease.
- Liquid amount
- 1.5–5 ml
- Doses per day
- 3×
- Max duration
- 2 weeks
⚠ Age restriction: ≥ 18 years — Alcohol-containing tinctures only for adults from 18 years.
Sources: [1]
Do not use in case of gastric or duodenal ulcers — the bitters stimulate gastric acid. Use only with caution in case of heartburn/hyperacidity or under acid-reducing therapy. If complaints last more than 2 weeks or worsen, consult a doctor. Not recommended during pregnancy and lactation or in children and adolescents under 18 due to lack of data. NATURE PROTECTION: Common centaury is specially protected in Germany — do not collect it in the wild; use only cultivated or pharmacy material.
⏱ Max continuous use: 2 weeks
Safety during pregnancy has not been established — not recommended due to lack of data.
Insufficient data for breastfeeding — not recommended.
Use in children and adolescents under 18 not recommended.
Drug interactions
Säurehemmende Therapie / Antazida / Säureblocker
As a gastric-acid-stimulating bitter, centaury may counteract acid-reducing medicines — avoid in hyperacidity or ulcer disease, or coordinate with a doctor.
Contraindications
- Gastric and duodenal ulcers (peptic ulcers).
- Hypersensitivity to centaury.
- Children and adolescents under 18 years.
Harvested part: flowering aerial parts (herb)
- Time of day:
- On a dry day around midday, during full flowering. Note: protected in Germany — harvest only from cultivation.
- Drying:
- Dry the flowering herb airy, shaded and in a single layer; protect from light to preserve the bitter glycosides.
- Storage:
- 12 months — Store dry, dark and airtight; use within a year.
- Secoiridoid-Bitterstoffe (Swertiamarin, Gentiopicrosid, Sweroside)BitterAerial parts
The main active group. Swertiamarin is the dominant secoiridoid; these account for the strong bitter (amarum) action and thus the appetite- and digestion-stimulating use.
- CentapicrinBitterAerial parts
One of the most bitter natural substances known — perceptible even at extreme dilution. Co-responsible for the exceptionally high bitterness value of the drug.
- XanthoneOtherAerial parts
Typical accompanying compounds of the gentian family.
- FlavonoideFlavonoidAerial parts
Antioxidant accompanying compounds.
- Phenolcarbonsäuren (Protocatechu-, Vanillin-, p-Cumarsäure)Phenolic acidAerial parts
Phenolic acids of the herb.
- [1]MonographEuropean Union herbal monograph on Centaurium erythraea Rafn. s.l., herba (EMA/HMPC/277493/2015)(accessed: 2026-06-03)
- [2]WikipediaEchtes Tausendgüldenkraut — Wikipedia (DE)(accessed: 2026-06-03)
🤝 Permaculture Partners
In your garden, this plant acts as: