54.2 MB (4.1 MB compressed)
4376 x 4327 pixels
37.1 x 36.6 cm ⏐ 14.6 x 14.4 in (300dpi)
CC STUDIO / SCIENCE PHOTO LIBRARY CC STUDIO / SCIENCE PHOTO LIBRARY
Butter. Block of butter being cut with a knife. Butter is derived from the churning of cream, and is typically used in baking, cooking and spreading on bread. It is a source of saturated fat known to affect blood cholesterol and play a role in heart disease. Margarine high in unsaturated fat is a healthier alternative.
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