The sugar is not all like the common granulated sugar, but in ripe fruits a part is in the form known as levulose or fruit sugar, which is two and a half times sweeter than granulated sugar.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

That is, sucrose is converted into levulose and dextrose sugars.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

It contains 7 per cent of dry matter, 4 per cent of which is sucrose, dextrose, and levulose.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

The chemical changes which take place in these different steps are: sucrose dextrose levulose.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

In the juice of grapes there is from 10 to 15 per cent or more of sugar, as sucrose, levulose, and dextrose.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

If we assume that such groups are derived ultimately from levulose, we have to account for the detachment of the methyl group.    From Wordnik.com.  [Researches on Cellulose 1895-1900] Reference

We ourselves have contributed a link in this chain of evidence connecting the furfuroids of the plant with levulose or other keto-hexose.    From Wordnik.com.  [Researches on Cellulose 1895-1900] Reference

Unquestionably it could have used some form of sugar; perhaps dextrose, such as Thrykar himself could digest — perhaps levulose or fructose or even starch.    From Wordnik.com.  [Natives of Space]

The change that is brought about in the sugar by the cooking of fruits consists in changing the cane sugar into levulose and dextrose, which are not so sweet.    From Wordnik.com.  [Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals] Reference

Carrots contain about half as much dry matter as potatoes, and half of the dry matter is sugar, nearly equally divided between sucrose and levulose, or fruit sugar.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

CO group in both aldoses and hexoses, whence we may conclude that in the plant-cell the transition from dextrose to levulose is a very simple and often occurring process.    From Wordnik.com.  [Researches on Cellulose 1895-1900] Reference

It assists in bringing about an alkaline condition in the small intestine and aids in the reduction of cane sugar and maltose to the simple sugars, dextrose and levulose.    From Wordnik.com.  [Physiology and Hygiene for Secondary Schools] Reference

Of special interest, in its bearings on this point, is the direct transformation of levulose into furfural derivatives, which takes place under the action of condensing agents.    From Wordnik.com.  [Researches on Cellulose 1895-1900] Reference

The cane sugar, however, does not ferment directly: the enzyme in the yeast first transforms the sugar into dextrose and levulose, and these sugars then undergo alcoholic fermentation.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

If now the aldose groups tend to pass over into the starch form, representing a temporary overflow product of the assimilating energy, it would appear that the ketose or levulose groups are preferentially used up in the elaboration of the permanent tissue.    From Wordnik.com.  [Researches on Cellulose 1895-1900] Reference

The author maintains that unsatisfactory results are obtained in determinations of starch when the method employed is based upon the inversion of sugar, formed as an intermediate product, since maltose, dextrose, and levulose are partly decomposed by boiling with dilute acids.    From Wordnik.com.  [Scientific American Supplement, No. 623, December 10, 1887] Reference

There are two forms of sugar found in honey, dextrose and levulose.    From Wordnik.com.  [Four-Dimensional Vistas] Reference

From this we get levulose ` the fruit sugar with a laevorotatory effect on polarized light. '.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol IX No 3] Reference

Then pour the mixed solution into the flask without loss, and make up to 500 c.c.; 25 c.c. of this solution is reduced by 50 mgm. of dextrose, 52 mgm. of levulose or 67 mgm. of lactose.    From Wordnik.com.  [The Starvation Treatment of Diabetes] Reference

Some are coiled to the right and others to the left; and it is remarkable that, like dextrose and levulose, their juices are optically the reverse of each other when studied by polarized light.    From Wordnik.com.  [Four-Dimensional Vistas] Reference

The pulp was analyzed by Heckel and Schlagdenhauffen in 1887; it contains 60\% of its weight of sugar (a mixture of dextrose and levulose), 0. 98\% of free tartaric and citric acids, fats, albuminoids, etc.    From Wordnik.com.  [The Medicinal Plants of the Philippines] Reference

A mixture of cane sugar and invert sugars, as levulose and dextrose.    From Wordnik.com.  [Human Foods and Their Nutritive Value] Reference

68 The soluble double sugars (maltose, milk sugar, and cane sugar) are reduced to the simple sugars (dextrose and levulose).    From Wordnik.com.  [Physiology and Hygiene for Secondary Schools] Reference

(analogous to grape sugar) or the crystallizable part which sinks to the bottom of the jar, whilst the other portion above, which is non-crystallizable, is levulose, or fruit sugar, almost identical with the brown syrup of the sugar cane, but less easy of digestion.    From Wordnik.com.  [Herbal Simples Approved for Modern Uses of Cure] Reference

(As it turns out, atoms don't quite work this way; but complex molecules, particularly organic compounds, often do, which is why surface proteins of a cell that function as receptor sites for harmful invaders such as viruses can be blocked with other molecules of the appropriate shape, and why, when placed in a solution of mixed sugars, some bacteria flunk the membership test for the Clean Plate Club because they can digest dextrose but leave its mirror image, levulose, untouched.).    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol XXIII No 4] Reference

Dextrose and levulose are also isomeric.    From Wordnik.com.  [An Elementary Study of Chemistry] Reference

Preparing and serving punch sugar, or levulose.    From Wordnik.com.  [Woman's Institute Library of Cookery Volume 5: Fruit and Fruit Desserts; Canning and Drying; Jelly Making, Preserving and Pickling; Confections; Beverages; the Planning of Meals] Reference