Smoked plums, matte black to dark brown, with a rugged surface, have a unique flavor with a sour taste. The fruit is spherical or oblate, around 2–3 centimetres (0.79–1.18 in) long and 1.5–2 centimetres (0.59–0.79 in) in diameter. The surface is wrinkled, with the round stem-end underside. The fruit kernel is hard, olate, yellowish brown, 1–1.4 centimetres (0.39–0.55 in) long, 1 centimetre (0.39 in) wide, and 0.5 centimetres (0.20 in) thick, with a dotted surface. The seed is flat obloid and light yellow.
Unripe plums are picked in early summer, smoked, and dried at 40 °C (104 °F).
Latin (pharmaceutical) name for smoked plums is Mume Fructus.
In Traditional Korean medicine, smoked plums are considered conductant for the liver channel, spleen channel, lung channel, and large intestine channel. It is used to treat ascariasis, vomiting, cough, and diarrhea. It is reported to relieve phlegm, inhibit intestinal motility, and fight bacteria in pharmacologic experiments.
- "omae" 오매. Doopedia (in Korean). Doosan Corporation. Retrieved 16 June 2017.
- Kim, Chang-Min; Lee, Young Jong; Kim, In Rak; Sin, Jeon-Hwi; Kim, Yang Il (2015). "omae" 오매. Hanyakjae gambyeol dogam 한약재감별도감 [Coloured Illustrations for Discrimination of Herbal Medicine] (in Korean). Academy Seojeok. p. 304. ISBN 9788976164865. Retrieved 16 June 2017 – via Naver.
- "omae" 오매. Hanuihak dae sajeon 한의학대사전 [The Korean medical dictionary] (in Korean). Seoul: Jungdam Publishing. 1998. ISBN 9788980850297. Retrieved 16 June 2017 – via Naver.