Botanical Distillate
A botanical distillate is a water-based liquid produced by steam distillation or hydrodistillation of plant materials, containing the water-soluble aromatic compounds of those botanicals without ethanol. It forms the flavor base of many zero-proof spirits alternatives.
Botanical distillates for zero-proof spirits production are produced by passing steam through botanical material (or heating botanical-water mixtures) in traditional copper pot stills or purpose-built distillation apparatus. The steam carries volatile aromatic compounds (terpenes, esters, aldehydes) from the plant matrix; these compounds condense with the steam in the cooling column and collect as an aromatic distillate with no alcohol but with concentrated botanical character.
The technology is essentially identical to traditional essential oil production (hydrodistillation) and to the production of floral waters (rose water, orange blossom water) used in confectionery and cuisine across many cultures. The culinary and artisan dimensions of botanical distillation give zero-proof spirit producers access to a rich tradition of plant processing knowledge dating back thousands of years.
A botanical distillate is distinct from a botanical extract in several important ways. A distillate captures only volatile compounds (those that can evaporate with steam); a cold-infusion extract captures both volatile and non-volatile compounds. This selectivity means botanical distillates tend to have lighter, more 'aerial' aromatic profiles, while cold extracts have heavier, more complete botanical character. Sophisticated NA spirit producers often blend distillates with extracts to achieve the full aromatic range of their botanical palette.
The stability of botanical distillates without alcohol presents a shelf life challenge. Alcohol is an antimicrobial preservative; water-based distillates are more susceptible to microbial growth, oxidation, and terpene degradation. UV-protective packaging, nitrogen flushing, refrigerated distribution, and the use of citric acid or other pH adjustments are common protective measures. Some distillates are preserved by addition of small quantities of glycerol (which has mild preservative properties) rather than alcohol.