3-hydroxybutyric acid


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3-hy·drox·y·bu·tyr·ic ac·id

(hī-drōk'sē-byū-tir'ik as'id),
The d-stereoisomer is one of the ketone bodies and is formed in ketogenesis; it is an important fuel for extrahepatic tissues; as an acyl derivative it is also an intermediate in fatty acid biosynthesis. The l-isomer is found as a coenzyme A derivative in β oxidation of fatty acids.
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Exhaustive exercise decreased the levels of lactic acid, glucose, serine, glutamic acid, and increased the levels of critic acid, fumaric acid, butanedioic acid, valine, leucine, oleic acid, linoleic acid, 3-hydroxybutyric acid, and phosphate in male rats.
Number of Name of metabolite HDMB number Level in metabolite in serum serum 1 Pyridoxine HMDB00239 [down arrow] 2 Orotidine HMDB00788 [down arrow] 3 S-adenosylhomocysteine HMDB00939 [down arrow] 4 Pyridoxamine HMDB01431 [down arrow] 5 Glycocholic acid HMDB00138 [down arrow] 6 Beta-leucine HMDB03640 [down arrow] 7 5-Methylcytidine HMDB00982 [down arrow] 8 Taurocholic acid HMDB00036 [down arrow] 9 3-Hydroxybutyric acid HMDB00357 [down arrow] 10 7-Ketocholesterol HMDB00501 [down arrow] 11 3-Hydroxyisovaleric acid HMDB00754 [down arrow] 12 L-fucose HMDB00174 [down arrow] 13 Cholesterol HMDB00067 [down arrow] 14 L-palmitoylcarnitine HMDB00222 [down arrow] 15 Glycine HMDB00123 [up arrow] Differentiating metabolites detected from their chemical shifts and identified by HDMB.
Pyroglutamic acid appeared at 5.18 min, whereas 3-hydroxybutyric acid did not.
Zubairi, "Porous three dimensional (3-D) scaffolds of poly (3-hydroxybutyric acid) (PHB) and poly(3-hydroxybutyric-co3-hydroxyvaleric acid) (PHBV): Determination of salt leaching efficiency of solvent-casting particulate-leaching (SCPL)," Advances in Environmental Biology, vol.
3-Hydroxyalkanoic acid methyl ester standards, 3-hydroxybutyric acid (3HB; [C.sub.4]), 3-hydroxyhexanoic acid ([3HH.sub.X]; [C.sub.6]), 3-hydroxyoctanoic acid (3HO; [C.sub.8]), 3-hydroxydecanoic acid (3HD; [C.sub.10]), 3-hydroxydodecanoic acid (3HDD; [C.sub.12]), 3-hydroxytetradecanoic acid (3HTD; [C.sub.14]), and 3-hydroxyhexadecanoic acid ([3HH.sub.X]D; [C.sub.16]) methyl esters (Larodan), were used to determine the respective retention times for monomer identification.
Except for pyruvic acid, recoveries ranged from 86% to 110%; for methylmalonic, citric, propionic, lactic, and 3-hydroxybutyric acids, recoveries did not differ statistically from 100%.