Baking flour containing starch grains, SEM

Baking flour containing starch grains, SEM

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Credit: DENNIS KUNKEL MICROSCOPY/SCIENCE PHOTO LIBRARY

Caption: Coloured scanning electron micrograph (SEM) of Baking flour (all purpose) containing starch grains. All purpose baking flour contains wheat and barley flour (ground wheat and barley seeds). Starch is a polysaccharide that has two basic components amylose and amylopectin. Amylose is an unbranched chain of glucose molecules which is coiled in the shape of a helix. Starch is made by plants to store energy and is used when needed by the plant (e.g., when a seed germinates). Magnification: x100 when shortest axis printed at 25 millimetres.

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Keywords: 22080b, all, amylose, baking, barley, cereal, colored, coloured, electron, false-colored, false-coloured, flour, glucose, grain, grains, micrograph, plain, polysaccharide, purpose, scanning, sem, starch, wheat

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