Umezu (ume pickling liquid)
The very salty, sour liquid drawn out of Japanese ume fruit by salt during umeboshi making: acidity from the fruit's citric and malic acid, not from acetic fermentation; white, or red with shiso.
Traditional method
Umeboshi
梅干し · Ume-boshi · Salted ume · Pickled ume plum
Naturally acidic ume fruit salted and sometimes dried in Japan; the salt, the fruit’s own acidity and the loss of moisture supply the preservation, and the preparation is not always fermented.
What it is
Umeboshi are ume fruits that have been salted and sometimes dried. The ume is naturally acidic, and the salt draws water out of the fruit. Together these give a preserved fruit that is firm, sour and salty.
Sources for this section
Where it sits among fruit preserves
The record places umeboshi with other salt-and-acid fruit preparations, such as preserved citrus in North Africa. The record notes that not every such preparation is fermented; the fermentation status of umeboshi is not established by these sources.
Sources for this section
What does the preserving
Three factors are named: the salt, the acidity of the fruit and the reduction of moisture. The record does not separate their contributions, and the sources do not give salt levels, drying times or storage limits.
Sources for this section
Limits of the record
Without tested salt and acid levels and a recorded storage limit, the historical method is not a validated home process. The page does not supply those figures.
Sources for this section
History
Naturally acidic fruits were salted and sometimes dried, as with preserved citrus and umeboshi. Salt, the fruit’s acidity and moisture reduction may supply the preservation; not every such preparation is fermented.
Ingredients
Scaling: source batch only
UmeSalted; the sources do not give quantities.
Amount not stated
SaltApplied to the fruit.
Amount not stated
Method
Risks and precautions · Standard risk
Salted fruit without tested limits
The sources give no salt level, acidity target or storage limit for umeboshi, and the preservation depends on those factors.
Hazard sourceUse a tested recipe that sets the salt level and storage conditions; do not rely on the historical account alone.
Control sourceThe sources record historical practice only. They are not a tested home method.
- Salt the ume fruit.
- Sometimes dry the salted fruit.
Places
Japan
Traditional preparation · Country evidenceTraditional Japanese pickling; the source does not give a precise regional origin for umeboshi.
Related
Same method
Read more
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Sources
FAOMethod
https://www.fao.org/4/x0560e/x0560e11.htmNaturally acidic fruits salted and sometimes dried, as with preserved citrus and umeboshi
Cited in: What it is; Where it sits among fruit preserves; What does the preserving; Limits of the record
Ministry of Agriculture, Forestry and Fisheries of JapanMethod · History
https://www.maff.go.jp/e/policies/market/dento_syoku/bunrui/tukemono.htmlUmeboshi as a traditional Japanese pickled product