Hydroxymethylfurfural derivative
The hydroxymethylfurfural derivative is represented by the general formula (A) (wherein, R is selected from the group consisting of the following formula (I), (II) HOOCCH 2 COCO—, (III) HOOCCH 2 CH 2 COCO—, and (IV) a hydrogen atom).
1. A purified hydroxymethylfurfural derivative represented by the following general formula:
wherein R is selected from the group consisting of formula (I):
(II): HOOCCH 2 COCO—, and (III): HOOCCH 2 CH 2 COCO—.
2. The purified hydroxymethylfurfural derivative according to claim 1 , wherein the hydroxymethylfurfural derivative is obtained by heat-treating an asparagus stem with hot water and an enzyme treatment,
wherein the enzyme treatment is carried out by adding at least one enzyme selected from among a group consisting of cellulase, hemicellulase, pectinase, amylase and pullulanase; and treating at a temperature of 30 to 60° C. for 1 to 72 hours.
3. A method of producing a hydroxymethylfurfural derivative of the following formula:
wherein R is selected from the group consisting of formula (I):
(II): HOOCCH 2 COCO—, (III): HOOCCH 2 CH 2 COCO—, and (IV): a hydrogen atom, comprising a step of heat-treating an asparagus stem with hot water and a step of an enzyme treatment,
wherein the enzyme treatment is carried out by adding at least one enzyme selected from among a group consisting of cellulase, hemicellulase, pectinase, amylase and pullulanase; and
treating at a temperature of 30 to 60° C., for 1 to 72 hours.
4. The purified hydroxymethylfurfural derivative of claim 1 is represented by the following general formula:
5. The purified hydroxymethylfurfural derivative of claim 4 being a purified R or S form optical isomer of the flowing formulae: