Whereas this polar bear may easily make a meal out of you, one chew of his liver could possibly be enough to ship you to the hospital. Liver has lengthy been a staple in many diets. Deep-fried chicken livers are a favorite in components of the American South. In Japan, you may order a heaping helping of sashimi made with raw fish liver. As delicious (or disgusting) as a few of these dishes might sound to you, not each hen, fish or mammal essentially provides one of the best substances for a culinary masterpiece. Travel to Germany and you'll 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 recognized to avoid eating the livers of various arctic creatures. In actual fact, for those who red panda teddy ever have the possibility to attempt polar bear liver, assume twice -- it may be the final meal you ever eat. Western explorers, nevertheless, realized the arduous method. Perhaps essentially the most horrific symptom they encountered was peeling pores and 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 circumstances ended in liver damage, hemorrhage, coma and death. These explorers suffered from acute hypervitaminosis A, a condition resulting from the overconsumption of vitamin A during a brief time frame. While milder circumstances merely involved flaking around the mouth, some accounts reported instances of full-body skin loss. The polar bear's liver, very similar to those of arctic seals and huskies, incorporates extremely high ranges of retinol (the type of vitamin A found in members of the animal kingdom). On the next page, we'll uncover why polar bears carry around so much vitamin A of their livers and the way crucial their retinol tolerance is to their survival. While some vitamins dissolve in water, vitamin A only dissolves in fats. As an alternative, it collects within the body's filtration organ, the liver, where it could actually reach toxic levels. Vitamin A is an important building block for a lot of animals. Which means that, unlike different vitamins, excess vitamin A would not exit the body in urine. Humans only require it in very small amounts, nevertheless it performs a significant function in eyesight, reproduction, fetal development, growth, immune response and the cellular formation of tissue. Vitamin A tolerability in humans varies depending on age, gender and physical condition. Without sufficient vitamin A in your system, you could easily find yourself facing symptoms just as dangerous as those related to hypervitaminosis A. Deficiencies can result in dry skin, diarrhea, blindness, progress retardation and even dying. We typically absorb it by the consumption of foods resembling spinach, broccoli, eggs, milk and various meats. Actually, their physiology evolved to tolerate a lot vitamin A for only one purpose: to eat seals. Like many animals, polar bears benefit from holding a certain amount of vitamin A of their system, however there's nothing to indicate they really require such massive portions. If you ate a bearded seal's liver, you'd endure from hypervitaminosis A, however the polar bear can tolerate and benefit from the feast. The seals retailer high ranges of vitamin A so as to swiftly develop and nourish their younger in a harsh, chilly environment. Within the wild, polar bears feed virtually solely on bearded seals and ringed seals, each of which retailer excessive ranges of vitamin A in their livers and blubber. Remember, vitamin A plays a key role in progress and natal growth. So if the blue plate special at your favorite diner is ever sautéed polar bear liver, you would possibly simply wish to stick to a salad. The seals rely on this vitamin to shortly advance them by their susceptible pup stages. Explore the hyperlinks on the next web page to be taught extra about vitamin A and polar bear liver. One polar bear liver typically incorporates as much vitamin A as 79 to 115 chicken eggs. That award-winning meal is available in at almost twice the tolerable higher limits of human vitamin A consumption. What does world warming need to do with the decline in the polar bear inhabitants? Brown, Dan. "Vitamin A Toxicity." Cornell College Department of Animal Science. AZA Bear Tag. "Polar Bear (Ursus maritimus)." Affiliation of Zoos and Aquariums Standardizes Animal Care Guidelines. Eliasen, Mogens. "The Harmful(?) Vitamin A." K9joy Training. Higdon, Jane. "Vitamin A." Linus Pauling Institute at Oregon State College. Hicks, R. Marian. "The scientific foundation for relating to vitamin A and its analogues as anti-carcinogenic agents." Proceedings of the Nutrition Society. Worldwide federation of Aggressive Eating. Lintzenich, Barbara, et al. Brookfield Zoo Conservation Biology and Analysis Middle. 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, Ok. and T. Moore. Slaughter, Kip. E-mail interview.
