While this polar bear might simply make a meal out of you, one bite of his liver could be enough to ship you to the hospital. Liver has lengthy been a staple in many diets. Deep-fried rooster livers are a favorite in elements of the American South. In Japan, you possibly can order a heaping serving to of sashimi made with uncooked fish liver. As delicious (or disgusting) as some of these dishes may sound to you, not every chook, fish or mammal essentially affords the very best elements for a culinary masterpiece. Journey to Germany and you may feast on conventional liverwurst. The native peoples of the Arctic have by no means shied away from cooking up some polar bear stew, however they've lengthy known to keep away from eating the livers of varied arctic creatures. In actual fact, in the event you ever have the chance to attempt polar bear liver, suppose twice -- it could be the last meal you ever eat. Western explorers, nevertheless, discovered the arduous means. Maybe probably the most horrific symptom they encountered was peeling pores and skin. Even the thick skin on the bottoms of a patient's ft may peel away, leaving the underlying flesh bloody and exposed. The worst instances ended in liver injury, hemorrhage, coma and loss of life. These explorers suffered from acute hypervitaminosis A, a situation resulting from the overconsumption of vitamin A throughout a short period of time. Whereas milder instances merely concerned flaking across the mouth, some accounts reported circumstances of full-body pores and skin loss. The polar bear's liver, very like those of arctic seals and huskies, contains extraordinarily high ranges of retinol (the form of vitamin A found in members of the animal kingdom). On the subsequent web page, we'll uncover why polar bears carry round a lot vitamin A in their just6f.com/bear-stuffed-animal/ livers and how crucial their retinol tolerance is to their survival. While some vitamins dissolve in water, vitamin A solely dissolves in fats. As an alternative, it collects within the body's filtration organ, the liver, the place it might reach toxic ranges. Vitamin A is a crucial building block for a lot of animals. This means that, in contrast to other vitamins, excess vitamin A does not exit the physique in urine. Humans only require it in very small amounts, nevertheless it plays a vital function in eyesight, reproduction, fetal growth, growth, immune response and the cellular formation of tissue. Vitamin A tolerability in humans varies relying on age, gender and bodily situation. With out enough vitamin A in your system, you possibly can easily find yourself dealing with signs just as bad as those associated with hypervitaminosis A. Deficiencies can result in dry pores and skin, diarrhea, blindness, progress retardation and even loss of life. We usually absorb it by way of the consumption of foods similar to spinach, broccoli, eggs, milk and numerous meats. Actually, their physiology developed to tolerate a lot vitamin A for only one motive: to eat seals. Like many animals, polar bears benefit from conserving a certain quantity of vitamin A in their system, but there's nothing to indicate they actually require such large quantities. If you ate a bearded seal's liver, you'd suffer from hypervitaminosis A, but the polar bear can tolerate and benefit from the feast. The seals retailer excessive ranges of vitamin A with a view to swiftly develop and nourish their young in a harsh, chilly environment. In the wild, polar bears feed almost solely on bearded seals and ringed seals, each of which store excessive ranges of vitamin A in their livers and blubber. Remember, vitamin A plays a key position in development and natal development. So if the blue plate special at your favorite diner is ever sautéed polar bear liver, you might simply wish to follow a salad. The seals depend on this vitamin to shortly advance them by their vulnerable pup levels. Discover the hyperlinks on the subsequent web page to learn more about vitamin A and polar bear liver. One polar bear liver sometimes accommodates as much vitamin A as 79 to 115 hen eggs. That award-winning meal comes in at practically twice the tolerable higher limits of human vitamin A consumption. What does international warming need to do with the decline within the polar bear inhabitants? Brown, Dan. "Vitamin A Toxicity." Cornell University Department of Animal Science. AZA Bear Tag. "Polar Bear (Ursus maritimus)." Affiliation of Zoos and Aquariums Standardizes Animal Care Tips. Eliasen, Mogens. "The Harmful(?) Vitamin A." K9joy Education. Higdon, Jane. "Vitamin A." Linus Pauling Institute at Oregon State College. Hicks, R. Marian. "The scientific foundation for concerning vitamin A and its analogues as anti-carcinogenic agents." Proceedings of the Nutrition Society. International federation of Aggressive Consuming. Lintzenich, Barbara, et al. Brookfield Zoo Conservation Biology and Analysis Heart. Canadian Journal of Zoology. Penniston, Kristina L. and Sherry A. Tanumihardjo. Mos, Lizzy and Peter S. Ross. The American Journal of Clinical Nutrition. The University of Cambridge Dunn Nutritional Laboratory and Medical Analysis Council. Rodahl, Okay. and T. Moore. Slaughter, Kip. E-mail interview.
