TABLE 4.

Brain glycolytic intermediates

Values are means in μmol/g wet weight ± S.E. where n = 12.

Substrate	Starch	Fat	Ketone ester
Glucose	1.03 ± 0.051	0.945 ± 0.028	0.452 ± 0.116a,b
Glucose 6-phosphate	0.072 ± 0.003	0.071 ± 0.003	0.066 ± 0.004
DHAP	0.017 ± 0.001	0.019 ± 0.002	0.016 ± 0.001
3-P glycerate	0.034 ± 0.004	0.029 ± 0.002	0.025 ± 0.001a
Pyruvate	0.086 ± 0.004	0.073 ± 0.005	0.085 ± 0.006
l-Lactate	1.69 ± 0.08	1.75 ± 0.08b	1.43 ± 0.06a
Lactate/Pyruvate	17.7 ± 1.0	21.0 ± 1.6	15.3 ± 0.8b

^a p < 0.05 between ketone ester and starch.

^b p < 0.05 between ketone ester and fat, all as judged by Mann-Whitney U test.