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LM of crystals of vitamin C

LM of crystals of vitamin C

A612/0237

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Credit

ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY ASTRID & HANNS-FRIEDER MICHLER / SCIENCE PHOTO LIBRARY

Caption

Polarised light micrograph of crystals of vitamin C (ascorbic acid). Vitamin C has a monoclinic crystal structure, characterised by three unequal axes, one pair of which are not at right angles. Most fruit and vegetables are high in vitamin C content. The average man or woman requires 70 milligrams per day; children and pregnant woman need an additional amount. A deficiency in vitamin C causes scurvy. The biochemical function of vitamin C is as a regulator in tissue respiration. Magnification: x80 at 6x4.5 cm size.

Release details

Model release not required. Property release not required.

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