Community Nutrition Social Nutrition Professor Dr. Jin BQ Dept. of Food Science & Nutrition NJNU
Community Nutrition Social Nutrition Professor Dr. Jin BQ Dept. of Food Science & Nutrition NJNU
§1 Introduction 1 Concept: Objectives be Crowd of human in area or in a district A part of CN For Nutritional education Nutritional surveillance Investing dietary structure Designing the idael ration for perpos or family P245-262
§1 Introduction 1 Concept: Objectives be Crowd of human in area or in a district A part of CN For Nutritional education Nutritional surveillance Investing dietary structure Designing the idael ration for perpos or family P245-262
2 Aim Advices to government policy Dietary direction Health improvment to life expenditure Preventing m-diseases
2 Aim Advices to government policy Dietary direction Health improvment to life expenditure Preventing m-diseases
§ 2 Dietary Reference Intakes ( DRIs) p246-248 1 Backgroud 1.1 RDA development from 1988 in China 1.2 Revised during 1988-2000 Finished & published in 2000 from Americ & Europe at first
§ 2 Dietary Reference Intakes ( DRIs) p246-248 1 Backgroud 1.1 RDA development from 1988 in China 1.2 Revised during 1988-2000 Finished & published in 2000 from Americ & Europe at first
2 Classification Energy and Macro-Nutrients Macroelements or Minerials Microelements Vitamins Others
2 Classification Energy and Macro-Nutrients Macroelements or Minerials Microelements Vitamins Others
3 DRIs Definition & Indexes Estimated average requirement (EAR) Recommended nutrient intakes (RNI) Adequate intake (AI) Tolerable upper intake level (UL)
3 DRIs Definition & Indexes Estimated average requirement (EAR) Recommended nutrient intakes (RNI) Adequate intake (AI) Tolerable upper intake level (UL)
NOAEL(Noobserved-adverseeffect level) 无毒副反应水平 LOAEL(Lowestobserved-adverseeffect level) 最低毒副反应水平
NOAEL(Noobserved-adverseeffect level) 无毒副反应水平 LOAEL(Lowestobserved-adverseeffect level) 最低毒副反应水平
EAR RNI UL 1.0 毒副作用 十 0.5 0 摄入水平 图1-1 营养素摄入不足和过多的危险性图解
4 UL/NOAEL/LOAEL Background 1 满足需要不仅指预防营养素缺乏，而且纳入了减少 某些疾病风险的概念，营养素需要量趋于偏高。 2 通过研究加强了对营养素毒副反应的认识，营养素 的过量或相互作用均可增加潜在的毒副反应。 3 保健食品或膳食补充剂所用的强化剂常为化学品， 比食品所含的营养素易于产生毒副作用。 4 特殊人群，如儿童、老人、孕妇对营养素毒副反应 的敏感性增加
4 UL/NOAEL/LOAEL Background 1 满足需要不仅指预防营养素缺乏，而且纳入了减少 某些疾病风险的概念，营养素需要量趋于偏高。 2 通过研究加强了对营养素毒副反应的认识，营养素 的过量或相互作用均可增加潜在的毒副反应。 3 保健食品或膳食补充剂所用的强化剂常为化学品， 比食品所含的营养素易于产生毒副作用。 4 特殊人群，如儿童、老人、孕妇对营养素毒副反应 的敏感性增加
§3 National survey in China p249-257 Nutritional survey: 1958, 1982, 1992, 2002 Hypertension survey: 1959, 1979, 1991 Diabetes survey: 1984, 1996 Nutrition & Health survey: 2002.8-12
§3 National survey in China p249-257 Nutritional survey: 1958, 1982, 1992, 2002 Hypertension survey: 1959, 1979, 1991 Diabetes survey: 1984, 1996 Nutrition & Health survey: 2002.8-12