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Vinegar from Myanmar
Fresh palm sap (toddy) from palmyra or coconut palms ferments on its own, first to palm wine and then, open to the air, to vinegar. In a Mandalay study the wine was filtered after 3 days and turned to vinegar under cloth over 4 to 6 weeks, with pH falling from 3.93 to 3.09. FAO describes Sri Lankan coconut toddy vinegar settled for weeks, soured in barrels for about three months and aged six months.
| Fresh toddy (palm sap) | Palmyra sap in the Mandalay study; coconut toddy in the Sri Lankan account[nnk2020][fao-b134] |
| Vinegar from an earlier batch (optional) | Added as a starter to hasten the souring[fao-b134] |
| Starter | spontaneous (yeast fermentation happens naturally and acetic bacteria are naturally present, per FAO); old vinegar optional |
Total time across the recorded steps: 7.4 months – 10 months
What changes: Fresh palm sap is collected and strained
Sugar in the fresh palmyra sap was 13 % in the Mandalay study [nnk2020]. Output: strained palm sap.
Microbes at work in this step
Not documented for this step.
Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source
Fresh palm sap (toddy) from palmyra or coconut palms ferments on its own, first to palm wine and then, open to the air, to vinegar. In a Mandalay study the wine was filtered after 3 days and turned to vinegar under cloth over 4 to 6 weeks, with pH falling from 3.93 to 3.09. FAO describes Sri Lankan coconut toddy vinegar settled for weeks, soured in barrels for about three months and aged six months. Made in 5 steps over 7.4 months – 10 months. The longest step, remove the mother and age the vinegar, takes 6 months (Battcock M 1998). Yeasts in the sap, named as Saccharomyces cerevisiae by the Mandalay study and Acetobacter aceti do most of the fermenting.
| Main step | 6 monthsReported[fao-b134] | Remove the mother and age the vinegar |
|---|---|---|
| Acidity | pH 3.9 → 3.09Measured[nnk2020] | Sour the wine to vinegar open to the air |
Made from the same sap as palm wine, simply left longer and open to the air. FAO says the yeast fermentation of coconut toddy happens naturally and that acetic acid bacteria are naturally present, so nothing has to be added.
Made the same way, each with what its own sources record.
Vinegar from Philippines
Kaong palm vinegar comes from sugar palm sap, not coconut or nipa sap. Philippine draft food rules set a lower minimum acid for natural palm-sap vinegars, 3 %, than for vinegar made from wine or alcohol, 4 %.
Sources: Food and Drug Administration Philippines 2024; Fabilitante J.R. 1970; Wikipedia (en)
General vinegar guidance from NC State Extension is to make and keep vinegar in glass, stainless steel or enamel, because vinegar leaches molecules from iron and aluminium, and to hold vinegar for preserving and pickling at no less than 5 % acetic acid. FAO gives about 4 % acetic acid for West African palm-wine vinegar.
Every number is labelled with how it is known. How this atlas is made
Nathanael (1952) writes that excise records show a minor coconut-toddy vinegar industry in Ceylon was set up only after 1920, when special licences were issued to reliable producers in the Panadura, Kalutara and Galle districts. He adds that households must have fermented coconut toddy to vinegar for many years before that.
