Educational information, not medical advice — ask your doctor or midwife.
Persimmon is a tree fruit. The American persimmon, Diospyros virginiana, grows wild across the eastern United States. Its small orange fruit ripens late, often after the first frost.
The fruit is sweet when fully soft. When unripe it is harsh and puckering, because it is packed with tannins (plant compounds that bind to protein and make tissue feel dry). Folk healers used that dryness on purpose.
Old books sometimes call it a date plum. That name really belongs to a cousin, Diospyros lotus. The fruit most shops sell is a third species, the Asian persimmon, Diospyros kaki.
American folk and Eclectic doctors used the unripe fruit, the bark and the leaf for loose bowels and sore throats. Human evidence for any of that is very thin. Traditional use is not proof that a remedy works, and it is not proof that it is safe.
The proposed action is simple: persimmon is astringent, meaning it makes wet tissue feel tight and dry.
In test tubes, tannins from persimmon bind proteins and clump them together. On a mouth or throat lining, that is what produces the puckering feel. Whether this calms an inflamed gut in people has not been shown in good trials.
In laboratory work, persimmon tannins also bind iron and some other minerals. In animal studies, persimmon fibre and tannin lowered blood fats. These are early findings, not proven effects in people.
The ripe fruit also brings fibre, which can bulk the stool. That part is ordinary food behaviour, not medicine.
Most people meet persimmon as plain fruit. Herbal forms are much less common, and American persimmon products are rare on shelves.
Fresh ripe fruit, eaten soft and jelly-like. This is the usual and safest form.
Dried persimmon, sold as slices or whole cakes. Drying concentrates the sugars.
Persimmon leaf tea, mostly made from the Asian species and sold loose or in bags.
Persimmon tannin or fibre capsules, again almost always from the Asian species.
Bark or unripe-fruit decoctions, a historic Eclectic preparation. You will not find these in shops today.
Persimmon had a settled place in American folk practice and in Eclectic medicine through the 1800s.
Eclectic physicians listed the inner bark and the green fruit as astringents. They were written up for long-running diarrhoea and dysentery (a gut infection with bloody stools). Gargles of the bark were described for sore throat and mouth ulcers.
Indigenous peoples of the southeast ate the ripe fruit as a staple food and dried it for winter. Settlers made persimmon bread, beer and pudding.
The medicinal uses faded once better treatments arrived. The food use never went away. None of this history tells you the remedy uses work.
See a doctor straight away if you get severe belly pain, repeated vomiting, a swollen belly, or you cannot keep food down after eating persimmon. These can be signs of a blocked gut.
Get urgent help for swelling of the lips, face or throat, or trouble breathing. That is an allergic reaction.
See a doctor if diarrhoea lasts more than two days in an adult, or at all in a baby or young child. Also go if there is blood in the stool, a fever, or signs of dehydration such as dizziness and very little urine.
In the United States, the European Union and the United Kingdom, persimmon is an ordinary food. Leaf teas and tannin capsules are sold as food supplements. No persimmon product is approved as a medicine for any condition.
Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.
What it is typically used for, usual dose, cautions, and the study behind it where real trial data exists.
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