Isolation, Structural Elucidation, and Biological Evaluation of a 5-Hydroxymethyl-2-furfural Derivative, Asfural, from Enzyme-Treated Asparagus Extract
A novel 5-hydroxymethyl-2-furfural (HMF; 1) derivative, which is named asfural (compound 2), was isolated from enzyme-treated asparagus extract (ETAS) along with HMF (1) as a heat shock protein 70 (HSP70) inducible compound. The structure of compound 2 was elucidated on the basis of its spectroscopic data from HREIMS and NMR, whereas the absolute configuration was determined using chiral HPLC analysis, compared to two synthesized compounds, (S)- and (R)-asfural. As a result, compound 2 derived from ETAS was assigned as (S)-(2-formylfuran-5-yl)methyl 5-oxopyrrolidine-2-carboxylate. When compound 2, synthesized (S)- and (R)-asfural, and HMF (1) were evaluated in terms of HSP70 mRNA expression-enhancing activity in HL-60 cells, compound 2 and (S)-asfural significantly increased the expression level in a concentration-dependent manner. HMF (1) also showed significant activity at 0.25 mg/mL.
METHOD FOR INDUCTION OF A HEAT SHOCK PROTEIN, ANTI-STRESS OR REGULATION OF AN AUTONOMIC NERVE
申请人:AMINO UP CHEMICAL CO., LTD.
公开号:US20160193184A1
公开(公告)日:2016-07-07
A method for induction of a heat shock protein, anti-stress or regulation of an autonomic nerve comprises: administering a mammalian subject in need thereof a composition comprising an effective amount of 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.