(2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanal → D-(-)-Fructose

Participants

Reaction Steps

A water white, clear dextrose liquor 40 having a D.E. of over 95 is recovered from the ion exchange treatment. This dextrose liquor 40 is concentrated to about 45% dissolved solids in an evaporator 41. Its pH is then adjusted to within the range of about 8 to about 8.5 with active magnesium oxide in a mixing tank 42. Ideally, the ratio of dissolved magnesium to calcium is adjusted to at least 20:1 in the tank 42. The resulting liquor 43 is then ready for treatment with a glucose isomerase (such as that marketed by Novo Enzyme Corporation under the trade name "Sweetzyme") to produce a high fructose sweetener.

Provenance & Evidence