To be efficient, therefore, a propellant should have a large heat of combustion to yield high temperatures, and should produce combustion products containing simple, light molecules embodying such elements as hydrogen (the lightest), carbon, oxygen, fluorine, and the lighter metals (aluminum, beryllium, lithium).
Vitamin A - Retinyl Palmitate/ Retinol. Vitamin A is a fat soluble vitamin that is stored in our liver. It contributes to normal growth and development while keeping our eyes, skin and immune system healthy. Vitamin A plays a key role in maintaining health.
Sources. Vitamin A palmitate, also called retinyl palmitate or retinol palmitate, is found in animal sources. Daily dietary sources of vitamin A palmitate are found in liver, fish, whole milk, eggs, cheese and butter.itamin A from plant sources is a carotenoid that your body can transform into a retinol, while vitamin A from animal sources is already in a form of retinol that's easily absorbed by your body. Vitamin A palmitate is the form of vitamin A found naturally in animal sources and also produced synthetically.