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Uptake of 100-ppm Diacetyl with and without Simultaneous 30-ppm Butryic Acid
| Measured uptake efficiencies (%) | |
| Butyric acid (alone) | >90 |
| Diacetyl (alone) | 36.1 ± 3.7 |
| Diacetyl with butyric acid | 30.6 ± 3.5a |
Note. Isolated URT uptake of butyric acid and/or diacetyl vapors was measured at an inspiratory flow rate of 400 ml/min. Data are reported as mean ± SD (n = 6).
Significantly different than diacetyl alone (p < 0.05, t-test).
