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A member asked:
Explain d-glucose and d-fructose?
A doctor has provided 1 answer
Slight differences: Glucose, fructose and galactose are all three dietary monosaccharides. The d (or dextro rotary) isomer of each is the one found naturally in nature. There chemical structures are similar, but slightly different. Both have 4 calories/gram ingested. There is disagreement on whether they exert different effects after ingestion. Both are "empty" calores with no nutrition.
Answered 12/29/2022
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