Bio-Nutritional Formulas - Aloe-Ace 40:1 Concentrate 4 oz. Aloe ace does contain 0.5% potassium sorbate and .10% sodium benzoate. Product is stabilized through pasturization. Specially processed to stabilize and standardize the beneficial properties.40:1 concentrate.10,000mg mucopolysaccharide per liter.Diet... - Bio-Nutritional Formulas - Aloe-Ace 40:1 Concentrate 4 oz.