Table 1.

Denaturation temperature of disc collagen obtained with the heating rate of 5°C/min.

Patient	Age of patient	Denaturation temperature T (°C)	Enthalpy, ΔH (J/g)
Men	26	81.5	25.4
	27	97.9	30.6
	34	87.4	70.2
	36	88.9	—
	38	83.5	—
	39	92.0	—
	42	82.4	29.9
	44	92.1	14.8
	45	104.8	61.2
	46	88.8	52.7
	48	91.2	66.8
	48	85.5	—
	48	81.0	—
	49	93.5	29.0
	54	84.6	—
	60	84.0	24.0
Women	31	89.8	—
	31	84.2	17.7
	32	101.5	22.6
	32	103.7	18.5
	34	101.5	17,0
	37	104.5	54.9
	42	99.4	33.5
	43	93.7	—
	45	101.7	11.5
	46	97.1	30.5
	50	95.6	61.0
	56	86.3	18.5
	60	84.3	58.3
Healthy control	36	94.6	93.7