Patent ID: 8628812

Claim:
A beverage preservative system comprising: a) a biodegradable sequestrant selected from the group consisting of ethylenediamine-N,N′-disuccinic acid (EDDS), ethylenediamine-N,N′-dimalonic acid (EDDM), ethylenediamine-N,N′-diglutaric acid (EDDG) and mixtures of any of them at a concentration in the range of 10 ppm to 120 ppm, and b) a reverse sequestrant, a weak acid selected from the group consisting of cinnamic acid, sorbic acid, their alkali metal salts, and mixtures of any of them; and a pH of 5.8 or less; wherein the beverage preservative system prevents spoilage by microorganisms in a beverage within a sealed container for a period of at least 16 weeks.