Table 2.

Effects of glucagon (10⁻¹⁰ M) on the rates of oxidation of glucose and palmitate in perfused working rat hearts

	Oxidation Rate, μmol·g−1·min−1
		Glucose			Palmitate
	−	+	Δ	−	+	Δ
Glucagon (10−10 M)	1.40±0.47	2.36±0.74	0.96±0.35*	0.518±0.131	0.428±0.149	−0.090±0.037*

Values are means ± SE; n = 4–6/group. See materials and methods for calculations.

^*Significant change (P < 0.05).