Red 40 is a chemical food die that is commonly used in foods and drugs. It is also known as Allura Red AC.
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Red 40 is a synthetic food coloring dye commonly used in various food and drink products to give them a red hue. It is approved by the FDA for use in food, but some people may experience allergic reactions to it.
Red 40 is NOT made from a bug. There are other red dyes that are, but not red 40. The red you are asking about is carmine, I believe they also call it Red 4 for labeling purposes when it's listed. As of right now it is allowed to be listed only as "natural color". Starting in 2011 it will be labeled as carmine since there are some people who are severely allergic to it.
Red blood cell indices would include determining the size (mean corpuscular volume), hemoglobin concentration (mean corpuscular hemoglobin), and the amount of hemoglobin per red blood cell (mean corpuscular hemoglobin concentration). These indices help in evaluating the size, shape, and oxygen-carrying capacity of the red blood cells.
40 kmph means that something is traveling at a speed of 40 kilometers per hour. It is a common unit of measurement for speed in the metric system.
Seeing red in the dark can be a sign of a phenomenon called "red light adaptation." This occurs when your eyes adjust to low light conditions by becoming more sensitive to red light, making it easier to see in the dark.
The term "red fern" typically refers to a fictional plant mentioned in the book "Where the Red Fern Grows" by Wilson Rawls. In the book, the red fern is believed to mark the final resting place of an individual who was deeply loved. It symbolizes loyalty, love, and the bond between individuals.