Body mass index (BMI) is a measure of your weight in relation to your height. BMI is an assessment tool for determining whether your weight falls within one of four categories. People with BMIs under 18.5 are considered underweight. Your weight is said to be within the healthy range if your BMI is 18.5 to 24.9.
Mannan may refer to a plant polysaccharide that is a linear polymer of the sugar mannose. Plant mannans have Î²(1-4) linkages. It is a form of storage polysaccharide.
Melanin /ËmÉlÉnÉªn/ (Greek: Î¼Î­Î»Î±Ï â melas, black, dark) is a broad term for a group of natural pigments found in most organisms. Melanin is produced by the oxidation of the amino acid tyrosine, followed by polymerization. The pigment is produced in a specialized group of cells known as melanocytes.