Plant Lipids [P] Limited manufactures Natural Food Grade Annatto Extract. Plant Lipids [P] Limited is an ISO 22000: 2005 certified company. The Natural Food Grade Annatto Extract is available in various strengths up to 75% bixin and is widely used in butter and other dairy products. The Food Grade Annatto Extract is a natural food colour that comes in different packaging of Aluminium Bottles, HDPE Pails, HDPE Drums, HDPE Barrels and Steel Drums and in various quantities.