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.
Retinyl palmitate is considered to be a gentler, milder form of vitamin A. A combination of retinol and palmitic acid, it has been found in studies to be an effective antioxidant.oth are forms of vitamin A. Retinol is a pure form of the vitamin found in green and yellow vegetables, egg yolks, whole milk, beef, chicken, and fish-liver oil.