While this polar bear may simply make a meal out of you, one bite of his liver could possibly be sufficient to ship you to the hospital. Liver has lengthy been a staple in lots of diets. Deep-fried hen livers are a favorite in parts of the American South. In Japan, you can order a heaping serving to of sashimi made with raw fish liver. As scrumptious (or disgusting) as some of these dishes could sound to you, not every bird, fish or mammal essentially offers the very best ingredients for a culinary masterpiece. Journey to Germany and you can feast on traditional liverwurst. The native peoples of the Arctic have never shied away from cooking up some polar bear stew, but they've long known to avoid eating the livers of varied arctic creatures. In fact, if you happen to ever have the prospect to try polar bear liver, assume twice -- it will be the final meal you ever eat. Western explorers, however, learned the laborious manner. Maybe the most horrific symptom they encountered was peeling pores and skin. Even the thick pores and skin on the bottoms of a affected person's feet could peel away, leaving the https://just6f.com/bear-stuffed-animal/ underlying flesh bloody and exposed. The worst instances ended in liver injury, hemorrhage, coma and demise. These explorers suffered from acute hypervitaminosis A, a situation ensuing from the overconsumption of vitamin A during a short time frame. Whereas milder cases merely involved flaking around the mouth, some accounts reported cases of full-physique skin loss. The polar bear's liver, very like these of arctic seals and huskies, incorporates extremely excessive ranges of retinol (the form of vitamin A found in members of the animal kingdom). On the subsequent page, we'll uncover why polar bears carry around a lot vitamin A of their livers and how essential their retinol tolerance is to their survival. While some vitamins dissolve in water, vitamin A solely dissolves in fats. As a substitute, it collects in the physique's filtration organ, the liver, the place it may attain toxic levels. Vitamin A is a crucial constructing block for many animals. Which means that, unlike other vitamins, excess vitamin A would not exit the body in urine. People only require it in very small quantities, but it plays a significant function in eyesight, reproduction, fetal development, development, immune response and the cellular formation of tissue. Vitamin A tolerability in humans varies relying on age, gender and physical condition. With out sufficient vitamin A in your system, you may easily find yourself facing symptoms just as unhealthy as those related to hypervitaminosis A. Deficiencies can result in dry skin, diarrhea, blindness, development retardation and even demise. We sometimes absorb it through the consumption of foods similar to spinach, broccoli, eggs, milk and numerous meats. In actual fact, their physiology developed to tolerate a lot vitamin A for only one motive: to eat seals. Like many animals, polar bears profit from maintaining a certain quantity of vitamin A in their system, however there's nothing to indicate they actually require such giant quantities. Should you ate a bearded seal's liver, you'd endure from hypervitaminosis A, but the polar bear can tolerate and benefit from the feast. The seals retailer excessive levels of vitamin A so as to swiftly develop and nourish their young in a harsh, chilly surroundings. In the wild, polar bears feed nearly exclusively on bearded seals and ringed seals, each of which retailer excessive levels of vitamin A in their livers and blubber. Remember, vitamin A plays a key position in progress and natal improvement. So if the blue plate particular at your favourite diner is ever sautéed polar bear liver, you may simply wish to follow a salad. The seals rely on this vitamin to shortly advance them via their weak pup stages. Discover the links on the next web page to be taught more about vitamin A and polar bear liver. One polar bear liver typically contains as a lot vitamin A as seventy nine to 115 chicken eggs. That award-winning meal comes in at almost twice the tolerable upper limits of human vitamin A consumption. What does world warming have to do with the decline within the polar bear population? 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 Pointers. Eliasen, Mogens. "The Harmful(?) Vitamin A." K9joy Education. Higdon, Jane. "Vitamin A." Linus Pauling Institute at Oregon State College. Hicks, R. Marian. "The scientific basis for regarding vitamin A and its analogues as anti-carcinogenic brokers." Proceedings of the Nutrition Society. International federation of Competitive Eating. 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 Analysis Council. Rodahl, Okay. and T. Moore. Slaughter, Kip. E-mail interview.
