Refraction of light is what causes all the colors of light to separate as light passes through water droplets suspended in the air. This causes a rainbow to appear, with all the different colors in the spectrum bending at different degrees - red at the least and blue/violet at the most.
1 Limiting the amount of saturated fats you eat to less than 7 percent of your total daily calories. 2  That means if you need about 2,000 calories a day, less than 140 calories (or 16 grams) should come from saturated fats.3  Limiting the amount of trans fats to less than 1 percent of your total daily calories. That means if you need about 2,000 calories a day, less than 140 calories (or 16 grams) should come from saturated fats. 2  Limiting the amount of trans fats to less than 1 percent of your total daily calories.
Now that you know the basics of trans, saturated, monounsaturated and polyunsaturated fat as well as how good or bad they truly are, the last question you probably have is how much total fat you should be eating per day.