Description
An acidic oil emulsion that tenderizes meats through enzymatic action while providing bright herbaceous contrast to charred flavors.
Technical
A coarse suspension of crushed herbs in vinegar-oil matrix where polyphenol oxidases from parsley initiate flavor development. Key volatile compounds form via esterification reactions between acetic acid and herb-derived terpenes.
Culinary Significance
The sauce's sharp acidity cuts through fatty meats while its oil carries fat-soluble flavors. Regional variations balance parsley dominance (Argentina) vs oregano prominence (Uruguay). Texture ranges from rustic chopped to smooth emulsions depending on preparation method.
Science
Primary Reaction
Oxidation of polyphenols
Parameters
Temperature
°C to °C range
Heat destroys volatile thiosulfinates
Time
4-6hr
30min (immediate use) – 48hr (refrigerated)
Equipment