Phytonadione, also known as Vitamin K1, is required by the body for the modification of certain proteins required for blood coagulation. Phytonadione supplements can hence be used to prevent bleeding in people with blood clotting problems. However, it is only biologically active in the (E) form at the highlighted double bond (note the squiggled line indicates a continuing carbon-hydrogen chain). Is the structure below biologically active? оо No Yes

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Essential nutrients

These are the organic compounds present in the food that provide nourishment essential for the development and growth of our body. Nutrients not only provide us with the required energy to carry out various biological processes but are also the building blocks for repair and growth in our bodies.

Vitamins

The vitamins are organic molecules required in low concentration for the proper functioning of the body. They cannot be generated in the organism and are taken into the body through the diet. The lack of proper vitamins results in diverse deficiency disorders. They are thus called essential nutrients. The important vitamins are vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin K, and vitamin E.