Which of the following is the r,ichest source of Vitamin C?
**Core Concept**
Vitamin C, also known as ascorbic acid, is an essential water-soluble vitamin that plays a crucial role in various bodily functions, including collagen synthesis, iron absorption, and immune system function. The richest sources of Vitamin C are typically found in fruits and vegetables.
**Why the Correct Answer is Right**
The correct answer is **A. Acerola Cherry**, which is known to be one of the richest natural sources of Vitamin C. Acerola cherry contains a high amount of ascorbic acid, with some varieties containing up to 1,677 mg of Vitamin C per 100 grams of fruit. This is attributed to the presence of ascorbic acid synthase, an enzyme responsible for the biosynthesis of Vitamin C.
**Why Each Wrong Option is Incorrect**
**Option B:** Citrus fruits, such as oranges and lemons, are good sources of Vitamin C, but they do not contain as high an amount as acerola cherry.
**Option C:** Bell peppers are also a good source of Vitamin C, but they contain significantly less than acerola cherry.
**Option D:** Tomatoes are a good source of Vitamin C, but they contain even less than bell peppers.
**Clinical Pearl / High-Yield Fact**
Acerola cherry is not only a rich source of Vitamin C but also contains other essential nutrients like potassium, magnesium, and iron, making it a nutritious addition to a balanced diet.
**Correct Answer: A. Acerola Cherry**