Changes in Serum Lipids Relating to the Ingestion of Eggs and Milk

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  • 卵・乳製品の摂取と血中脂質の変化
  • タマゴ ニュウセイヒン ノ セッシュ ト ケッチュウ シシツ ノ ヘンカ

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Objective: The author has reported that total cholesterol levels decrease significantly of those with hypercholesterolemia when they stop to take eggs and milk. In the study changes of serum lipids; total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C) and low density lipoprotein cholesterol (LDL-C) were compared between the results of the current year and the previous year of ningen dock. Materials and Methods: 418 workers (258 males and 160 females) at five companies where the author was an occupational health doctor responded to the questionnaire about the condition of ingestion of eggs and milk from 2001 to 2004.418 subjects were divided three groups; Group A (282 subjects) who took eggs and milk usually, Group B (56 subjects) who stopped to take them and Group C (80 subjects) who did not take them as usual. Also all subjects were divided four subgroups; a subgroup was 280mg/dl and more, b subgroup 280mg/dl-250mg /dl, c subgroup 250mg/dl-220mg/dl, and d subgroup less than 220mg/dl according to the TC levels of the previous year. Results: About the relations of serum lipids there were a linear relationship between TC (x) and LDL-C (y), y=0.76x-32(r=0.72) and an exponential relationship between TG (x) and HDL-C (y), y=160x-0.2(r=0.20). In Group A, TC levels (mean) changed 292mg/dl to 287mg/dl,261mg/dl to 258mg/dl,233mg/dl to 241mg/dl, and 190mg /dl to 204mg/dl in a, b, c and d subgroups respectively. Also HDL-C levels of c subgroup and LDL-C levels of c and d subgroups increased significantly. In Group B, TC levels decreased 316m/dl to 255mg/dl,265mg/dl to 233mg/dl,237mg/dl to 215mg/dl and 179mg/dl to 160mg/dl in a, b, c and d subgroups respectively. LDL-C levels also decreased significantly. In Group C, serum lipids did not changed significantly in all subgroups. Conclusions: TC and LDL-C levels decreased significantly after stopping to ingest eggs and milk especially in hypercholesterolemia. The higher TC levels were, the more TC and LDL-C levels decreased. It could be necessary to reduce TG levels in order to increase HDL-C levels because of an exponential relationship between them.

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