| Available energy in kilojoules (kcal) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Organ | Glucose or glycogen | Triacylglycerols | Mobilizable proteins | ||||||
Blood | 250 | (60) | 20 | (45) | 0 | (0) | |||
Liver | 1700 | (400) | 2000 | (450) | 1700 | (400) | |||
Brain | 30 | (8) | 0 | (0) | 0 | (0) | |||
Muscle | 5000 | (1200) | 2000 | (450) | 100,000 | (24,000) | |||
Adipose tissue | 330 | (80) | 560,000 | (135,000) | 170 | (40) | |||
Data from G. F. Cahill, Jr., Clin. Endocrinol. Metab. 5:398, 1976. | |||||||||