Oxidative Stress and Longevity in Okinawa: An Investigation of Blood Lipid Peroxidation and Tocopherol in Okinawan Centenarians

Table 4

Plasma and intracellular tocopherols adjusted by lipid subfraction.

		Septuagenarians (aged 70s)			Centenarians (aged 100s)
		Male (𝑛)	Female (𝑛)	Total (𝑛)	Male (𝑛)	Female (𝑛)	Total (𝑛)
	T-Toc/Tc	0.08±0.267; (17)	0.08±0.259; (30)	0.08±0.283; (47)	0.075±0.018; (16)	0.072±0.023; (68)	0.072±0.021; (84)
Plasma	α-Toc/Tc	0.07±0.252; (17)	0.08±0.238; (30)	0.07±0.285; (47)	0.06±0.017; (15)	0.07±0.0180𝑥03000; (50)	0.07±0.017; (65)
Intracellular	T-Toc/Tc	0.016±0.010; (17)	0.013±0.017; (30)	0.015±0.017; (47)	0.015±0.007; (16)	0.016±0.010; (55)	0.016±0.009; (71)
	α-Toc/Tc	0.014±0.008; (17)	0.012±0.016; (30)	0.013±0.016; (47)	0.013±0.006; (16)	0.014±0.009; (55)	0.013±0.009; (71)
	γ-Toc/Tc	0.005±0.016; (17)	0.007±0.036; (30)	0.007±0.036; (47)	0.007±0.003; (15)	0.007±0.004; (50)	0.007±0.004; (65)
	β-Toc/Tc	0.002±0.003; (17)	0.002±0.003; (30)	0.002±0.004; (47)	0.002±0.001; (16)	0.002±0.002; (54)	0.002±0.002; (70)
	T-Toc/HDL-C	0.27±0.55; (17)	0.37±0.98; (30)	0.33±0.81; (47)	0.28±0.13; (16)	0.27±0.10; (69)	0.27±0.11; (85)
Plasma	α-Toc/HDL-C	0.25±0.52; (17)	0.33±0.90; (30)	0.30±0.82; (47)	0.25±0.12; (15)	0.25±0.09; (50)	0.25±0.09; (65)
	γ-Toc/HDL-C	0.019±0.03; (17)	0.033±0.14; (30)	0.027±0.10; (47)	0.03±0.02; (15)	0.03±0.02; (50)	0.03±0.02; (65)
	T-Toc/HDL-C	0.052±0.020; (17)	0.060±0.063; (30)	0.057±0.047; (47)	0.059±0.037; (16)	0.056±0.031; (55)	0.058±0.032; (71)
Intracellular	α-Toc/HDL-C	0.047±0.017; (17)	0.053±0.058; (30)	0.050±0.044; (47)	0.049±0.032; (16)	0.049±0.029; (55)	0.049±0.030; (71)
	γ-Toc/HDL-C	0.005±0.006; (17)	0.007±0.013; (30)	0.006±0.010; (47)	0.008±0.006; (16)	0.007±0.005; (54)	0.007±0.006; (70)

Tc: Total cholesterol; HDL-C: high density lipoprotein cholesterol; Toc: Tocopherol. Note: no significant differences between groups.