Vitamin K3 molecule C013 / 8905
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Vitamin K3 molecule C013 / 8905
Vitamin K3 molecule. Computer model showing the structure of a molecule of vitamin K3, also called menadione. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (purple) and oxygen (red). Menadione is a provitamin, a precursor to vitamin K2. Due to its high toxicity, its use as a nutritional supplement for vitamin K has been banned in most countries. Large doses can cause haemolytic anaemia (the destruction of red blood cells) in adults and brain damage, liver damage and even death in neonatal babies. However, low doses of menadione are still used in many countries as an inexpensive micronutrient supplement for livestock
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9200497
© RAMON ANDRADE 3DCIENCIA/SCIENCE PHOTO LIBRARY
Compound Livestock Nutrition Poison Poisonous Spacefill Spacefilled Supplement Supplements Toxic Vitamin K Vitamins Biochemical Biochemistry Cutouts Molecular Model Molecular Structure
EDITORS COMMENTS
This print showcases the intricate structure of a Vitamin K3 molecule, also known as menadione. The computer-generated model vividly illustrates the molecular arrangement with atoms represented by color-coded spheres: carbon in grey, hydrogen in purple, and oxygen in red. Menadione serves as a provitamin, acting as a precursor to Vitamin K2. However, despite its biochemical significance, this compound possesses alarming toxicity levels that have led to its prohibition as a nutritional supplement across most countries. Large doses of menadione can trigger haemolytic anaemia in adults while causing severe damage such as brain impairment, liver dysfunction, and even death among neonatal babies. Nevertheless, low doses of menadione are still employed in several nations for livestock supplementation due to its cost-effectiveness as a micronutrient source. This controversial use highlights the delicate balance between providing essential nutrients and ensuring animal welfare. Ramon Andrade's 3D rendering beautifully captures the complexity of this poisonous yet significant molecule. It serves not only as an educational tool for understanding chemical structures but also prompts reflection on the potential risks associated with certain compounds within our environment and their impact on living organisms.
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