Lanolin is an ester of palmitic acid or oleic acid or stearic acid with cholesterol secreted by the cutaneous gland. Cutaneous glands in animals are known to secrete wax lanolin for forming a protective water-insoluble coating on animal fur.Streptokinase is produced by the bacterium streptococcus is used as a clot buster for removing clots from the blood vessels. Other applications are proteins like casein are used in beauty creams and shampoos.