A 6-carbon deoxy-sugar in which one OH is replaced by H.
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Cleavage of the glycosidic-linkage and associated rearrangement reactions releases the following sugar residues: hexose, glucose or galactose, deoxyhexose, rhamnose, pentose, xylose or arabinose, and glucuronic acid [23].
In contrast, individuals in the highest tertile of a deoxyhexose sugar (e.g., anhydro-glucitol, deoxygalactose, or deoxyglucose) had ORs of 0.23 (95% CI 0.07-0.72) and 0.23 (0.08-0.65) in the first and second substudy, respectively.
Interestingly, we also observed an inverse association of deoxyhexose sugars (e.g., anhydro-glucitol, deoxygalactose, deoxyglucose) with T2D.
Importantly, the deoxyhexose sugar and the above sugar alcohol displayed only poor correlations with glucose and other biomarkers of T2D-risk ([r.sub.s] [less than or equal to] [absolute value of 0.2]) (Table 2).
Specifically, sugar alcohols, deoxyhexose sugars, and the ether glycerophospholipids PC(O-20/O-20) and LysoPC(dm16:0) were not covered by the previous targeted approach and were all inversely related to T2D in this study.
Other flavonoids, namely, homoorientin, orientin, isovitexin, scoparin, and taxifolin deoxyhexose, along with several unknown flavonoids, were also detected.
The incremental residue masses for the commonly found residues are 162 amu for a hexose (Hex), 146 amu for a deoxyhexose (deoxyHex), 203 amu for an N-acetylhexosamine (HexNAc), and 291 amu for N-acetylneuraminic acid.
The absorption band at 2578 [cm.sup.-1] can be assigned to the C-H stretching of methyl or methylene groups, usually present in hexoses like glucose or galactose, or deoxyhexoses like rhamnose or fucose [13].