Alkaline Saline Peptone Water (ASPW) is recommended for enrichment of Vibrio species from food and water samples in accordance with ISO. This medium specifies a horizontal method for the detection of the two main pathogenic Vibrio species causing intestinal illness in humans: V. parahaemolyticus and V. cholera . It is applicable to products intended for human consumption and the feeding of animals, and environmental samples in the area of food production and food handling.