Shiso Ume Plum Pairing Japanese Preservation

Wakayama Prefecture — ume cultivation and umeboshi production tradition since Heian period

The pairing of red shiso (akajiso) with ume plum during umeboshi production is one of the most important natural dyeing and flavoring techniques in Japanese food. Fresh ume plums are first salt-cured for 2-3 weeks until they release brine (umezu). Red shiso leaves are then packed with salt, massaged to release their anthocyanins, squeezed, and added to the ume jar. The combination produces the iconic deep pink-red color of traditional umeboshi and contributes shiso's distinctive medicinal-herbal fragrance. The resulting umezu (plum vinegar) dyed with shiso becomes the brilliant red shiso vinegar used in cooking.

Intensely sour, salty, with medicinal herbal shiso fragrance, deep pink-red color