Merkera Coconut Vinegar 100% natural, made by fermenting coconut water from mature coconuts in vats and ageing with mother vinegar. It retains a fruity flavour of this vinegar is sourced from coconut water of 10 coconuts. A popular acidic condiment in Southeast Asia and some regions of India, coconut vinegar is a natural product produced from fermentable coconut sap and the oxidation of ethanol into acetic acid.