levulose
/'li:vjulous/ Cách viết khác : (levulose) /'li:vjulous/
Definition
- Noun:
- A simple sugar found in honey and in many ripe fruits: Levulose is a monosaccharide, a type of simple sugar, also known as fructose. It is naturally present in sweet substances like honey and is a component of many fruits.
Usage Examples
- Noun:
- Honey contains a high proportion of levulose, which contributes to its sweetness.
- The natural levulose in ripe bananas makes them a quick source of energy.
Advanced Usage
- Scientific/Technical Context: In biochemistry and nutrition, "levulose" is an older or less common term for fructose, often used to specify its levorotatory property (its ability to rotate plane-polarized light to the left).
- The chemical formula for levulose is C₆H₁₂O₆, identical to glucose but with a different structure.
Variants and Related Words
- Fructose (n): The more common modern term for the same sugar.
- High-fructose corn syrup is a sweetener derived from corn starch.
- Monosaccharide (n): The class of simple sugars to which levulose belongs.
- Glucose and galactose are other examples of monosaccharides.
Synonyms
- Fructose: The standard synonym in modern scientific and common usage.
- Fruit sugar: A descriptive term highlighting its natural source.
Notes on Meaning
- The word "levulose" is primarily used in historical, technical, or specific scientific contexts. In everyday language and most contemporary food labeling, "fructose" is the preferred term. Its core meaning refers specifically to the simple sugar's chemical identity and natural occurrence.
Noun
-
a simple sugar found in honey and in many ripe fruits
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