Alicyclobacillus spoilage and isolation - A review

► Alicyclobacillus endospores are resistant to the low pH of fruit juices and the pasteurisation treatments applied to fruit juice products. ► Alicyclobacillus acidoterrestris is the main species responsible for fruit juice product spoilage. ► Guaiacol is the predominant metabolite responsible for Alicyclobacillus spoilage.