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Effects of Vitamin C as a Cofactor Vitamin C is a cofactor to a variety of enzymes, donating electrons to metal-carrying enzymes called dioxygenases and monooxygenases, which use iron (Fe3+) and copper (Cu2+) at their center

Beta carotene is also water soluble and is particularly effective in tackling free radicals in areas of low oxygen concentration

The color is an inherent physical property of vitamin B12 in solution, the same way chlorophyll makes plants green and carotenoids make carrots orange

The two types of melanin you may have are: Eumelanins: give hair dark colors Pheomelanins: give hair light colors Different amounts of these two types of melanin also determine hair color, as shown below: Melanin protects hair from the sun According to Nikki Goddard, a certified hairstylist with an associate degree in cosmetology, melanin plays another crucial biological role in hair: It protects hair against sun rays (photoprotection) and ultraviolet (UV) radiance

Genetic characterization of toxin A-negative, toxin B-positive Clostridium difficile isolates by PCR

In addition to total calories, micronutrient, calcium, and vitamin deficiencies should be replenished