| 释义 |
pyranose Chem.|ˈpaɪər-, ˈpɪrənəʊz|
[f. pyran + -ose2.]
A structure containing a saturated pyran ring, frequently assumed by sugars; a sugar having this structure. Freq. attrib.
1927Goodyear & Haworth in Jrnl. Chem. Soc. 3141 On the basis of the conclusions now reached, the formula (A) must be accepted as a general representation of a normal sugar, which might be described as a pyranose. 1953Fruton & Simmonds Gen. Biochem. xvii. 380 Another important hexose found in nature is..fructose... The open-chain form..is in equilibrium with the corresponding pyranose and furanose forms; in solutions of the free sugar, the pyranose form predominates. 1957,1963[see furanose]. 1971Nature 26 Nov. 220/1 The anomers α -and β-d-mannose differ structurally only in that H and OH at the C1 atom of the pyranose ring are interchanged. |