beta-hydroxybutyric acid

1. Any of three compounds ( acetoacetic acid, acetone, and/ or beta-hydroxybutyric acid) found in excess in blood and urine of persons with metabolic disorders.
   三种化合物中任意一种（乙酰乙酸、丙酮和/或β羟基丁酸），人体的血液和尿中大量含有。

noun

1. beta derivative of hydroxybutyric acid that is found in the blood and urine in some cases of impaired metabolism