Fructose

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The monosaccharide (a simple sugar; also known as fructose or levulose) is found in almost all sweet plant fruits, especially in fruit such as apples, pears, grapes and berries. In grapes, fructose is only formed after glucose (grape sugar) and dominates in overripe or noble rotten berries. It is one of the sweetest naturally occurring sugars and is up to three times sweeter than glucose. Both belong to the so-called hexoses and together are known as invert sugars.

Weintraube - Beschreibung - siehe KLewgende unter dem Bild

1 Vascular Bundless, 1.a Central, 1.b Ovular, 1.c Peripheral network, 2 Seed(seed, nucleus), 2.a Embryo, 2.b Coat, 2.c Endosperm, 3Flesh, 3.a Septal, 3.b Inner, 3.c Outer, 4 Skin (skin, bellows), 5 Peripheral vascular bundles, 6 Locules (2 seeds per cavity), 8 Pedicel(flower stalk), 9 Point of rupture, 10 Central zone, 10.a Second pressing, 10.b malic acid (apple acid), 10.c sugar (sugar), 11 Intermediate zone, 11.a First pressing, 11.b tartaric acid, 11.c sugar, 12 Peripheral zone, 12.a Third pressing, 12.b astringency, 12.c potassium, 12.d aromas, 12.e acidity, 12.f acidity, 12.g oxidases (enzymes)

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