While this polar bear may easily make a meal out of you, one chunk of his liver might be sufficient to ship you to the hospital. Liver has long been a staple in many diets. Deep-fried chicken livers are a favourite in parts of the American South. In Japan, you'll be able to order a heaping serving to of sashimi made with uncooked fish liver. As delicious (or disgusting) as some of these dishes might sound to you, not each bird, fish or mammal essentially provides one of the best substances for a culinary masterpiece. Travel to Germany and you can feast on conventional liverwurst. The native peoples of the Arctic have never shied away from cooking up some polar bear stew, but they've long identified to avoid eating the livers of assorted arctic creatures. In reality, when you ever have the chance to try polar bear liver, suppose twice -- it would be the final meal you ever eat. Western explorers, nevertheless, discovered the exhausting means. Perhaps probably the most horrific symptom they encountered was peeling skin. Even the thick skin on the bottoms of a patient's feet might peel away, leaving the underlying flesh bloody and exposed. The worst cases ended in liver harm, hemorrhage, coma and death. These explorers suffered from acute hypervitaminosis A, a condition resulting from the overconsumption of vitamin A throughout a brief period of time. While milder cases merely involved flaking across the mouth, some accounts reported instances of full-body skin loss. The polar bear's liver, very like those of arctic seals and huskies, big teddy bear shop near me incorporates extremely high ranges of retinol (the form of vitamin A found in members of the animal kingdom). On the following web page, we'll discover why polar bears carry round a lot vitamin A in their livers and the way essential their retinol tolerance is to their survival. While some vitamins dissolve in water, vitamin A solely dissolves in fat. As an alternative, it collects within the body's filtration organ, the liver, the place it will possibly reach toxic ranges. Vitamin A is an important building block for many animals. Because of this, in contrast to different vitamins, excess vitamin A doesn't exit the body in urine. Humans only require it in very small amounts, nevertheless it performs a significant position in eyesight, reproduction, fetal growth, progress, immune response and the cellular formation of tissue. Vitamin A tolerability in humans varies depending on age, gender and bodily condition. With out sufficient vitamin A in your system, you could possibly easily find yourself going through symptoms just as bad as those related to hypervitaminosis A. Deficiencies can result in dry skin, diarrhea, blindness, progress retardation and even death. We usually absorb it through the consumption of foods comparable to spinach, broccoli, eggs, milk and various meats. In reality, their physiology evolved to tolerate so much vitamin A for just one motive: to eat seals. Like many animals, polar bears benefit from preserving a certain quantity of vitamin A in their system, but there's nothing to point they really require such giant portions. Should you ate a bearded seal's liver, you'd undergo from hypervitaminosis A, however the polar bear can tolerate and benefit from the feast. The seals store high levels of vitamin A in order to swiftly grow and nourish their young in a harsh, chilly surroundings. In the wild, polar bears feed almost solely on bearded seals and ringed seals, each of which retailer excessive ranges of vitamin A of their livers and blubber. Remember, vitamin A plays a key role in growth and natal improvement. So if the blue plate special at your favourite diner is ever sautéed polar bear liver, you would possibly simply want to stick with a salad. The seals depend on this vitamin to rapidly advance them by way of their susceptible pup stages. Explore the hyperlinks on the following page to study extra about vitamin A and polar bear liver. One polar bear liver usually comprises as much vitamin A as 79 to a hundred and fifteen chicken eggs. That award-winning meal is available in at practically twice the tolerable upper limits of human vitamin A consumption. What does world warming need to do with the decline within the polar bear population? Brown, Dan. "Vitamin A Toxicity." Cornell College Division of Animal Science. AZA Bear Tag. "Polar Bear (Ursus maritimus)." Association of Zoos and Aquariums Standardizes Animal Care Pointers. Eliasen, Mogens. "The Dangerous(?) Vitamin A." K9joy Schooling. Higdon, Jane. "Vitamin A." Linus Pauling Institute at Oregon State College. Hicks, R. Marian. "The scientific basis for relating to vitamin A and its analogues as anti-carcinogenic agents." Proceedings of the Nutrition Society. Worldwide federation of Competitive Consuming. Lintzenich, Barbara, et al. Brookfield Zoo Conservation Biology and Research 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 College of Cambridge Dunn Nutritional Laboratory and Medical Research Council. Rodahl, Ok. and T. Moore. Slaughter, Kip. E-mail interview.
