Vitamin a Content of Fur Seal Oils

Resul ts of tests in 1946 showed the apparent vi tamin A potency of oil from livers of Alaskan bachelor seals to vary from 13,105 to 394,145 spec. units per gram of oil with an average value of 112,000. The oil content of livers varied from 0.20 to 2.17 percent by weight. The oil from carcass and blubber contained from 490 to 2,040 spec. uni ts of vi tamiri… CONTINUE READING