Ajinomoto offers a wide range of products which includes alsok 02. It is a pure medium to high molecular weight hydrolysable tannin specially purified for applications in the food industry. It s a 100 % natural material extracted from renewable plant materials using dedicated strictly controlled production facilities. No added preservatives or additives are used in the production of alsok 02. Appearance: light yellow granular powder, free of visible impurities. Odour: slight in solution, typical tannic acid. Usage: It range from 0.01 g/kg up to 2 g/kg. It s typically added as a 5 10 % solution. Storage and handling: It does not require special storage conditions and has a shelf life of min. 5 years if stored in a dry area in its original closed packaging. The product is not frost sensitive and normal ambient temperatures (i.e. 5-25°C) suffice. Packaging: It is available as a spray-dried granular product in 25 kg for 50 lbs fibre drums lined with an inner polyethylene bag.