Eden Apothecary · Herb Profile
Centaurium erythraea
Pronounced Centaury: SEN-tor-ee. Centaurium erythraea: sen-TOR-ee-um eh-rith-REE-ah.
Cool, dry, and toning: an intensely bitter tonic that firms up slack, torpid digestion and drains damp-heat from a boggy, sluggish liver.
Avoid. Centaury is traditionally classed among the emmenagogue bitters, and modern practitioner references (Bartram; Mills and Bone; Herbal Reality) advise against use in pregnancy on the theoretical basis that intense bitters may reflexively stimulate uterine activity. Robust human safety data are lacking. Do not use in pregnancy.
Avoid. There are no adequate data on the safety of centaury during lactation, and practitioner references advise against use while breastfeeding for want of safety information. The very intense bitterness may also carry into the milk. Prefer a better-documented digestive bitter if one is genuinely needed.
Not established for young children and not traditionally given to them in medicinal doses; the extreme bitterness is poorly tolerated. If a bitter is genuinely indicated for an older child, use only very low, short-term doses under professional guidance. No formal pediatric safety data exist.
Extremely bitter; large doses may provoke nausea, gastric irritation, or vomiting. Because it stimulates gastric acid and bile secretion, it aggravates hyperacidity, gastritis, and ulceration. Long, high-dose courses are not advised: animal studies of medium-term high dosing reported adverse effects on the liver and kidneys, so use it as a short-to-medium-term corrective bitter rather than an indefinite daily habit.
Active gastric or duodenal (peptic) ulcer; acute gastritis; hyperacidity, hyperchlorhydria, and acid reflux driven by excess acid; known hypersensitivity to plants of the Gentianaceae. Pregnancy and lactation (see safety fields).
Not listed as at-risk by United Plant Savers. A common annual or biennial wildflower of European meadows, dunes, and dry grasslands, widely naturalized and, in New Zealand and Australia, weedy. It self-seeds freely and is easily cultivated. It has nonetheless declined locally where species-rich grassland has been lost to intensive agriculture, so harvest only the flowering tops, leave ample plants to set seed, and prefer cultivated or ethically wildcrafted material.
Not named in canonical Scripture. The genus name honors Chiron the Centaur of Greek myth, who was said to have healed a wound with it, and Dioscorides (De Materia Medica) and Pliny both describe the lesser centaury (kentaurion to mikron) as a bitter wound-herb and febrifuge of the ancient Mediterranean. The folk names Christ's Ladder and Fel Terrae (gall of the earth) later attach Christian and humoral lore to its intense bitterness.
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