fructose, alpha-d-fructofuranose, beta-d-fructofuranose molecule. cyclic form. structural chemical formula and molecule model

alpha atom atomic beta carb carbon chemical chemistry composition compound cyclic diabetes flat form formula fructofuranose fructose fruit furanose hics high hydrogen icon ketohexose ketonic molecular molecule monosaccharide obesity oxygen pyranose saccharide schematic science skeletal structural structure sugar sweet sweetness syrup