Minerals d Elements Professor Dr.Jin BQ Dept.of Food Sci.Nutrition
§1 Intriduction Distribution 1. In the Earth: 2. In the Body: 20 kinds mainly, >70 kinds 3. Influence: Earth, Water, Food
§1 Intriduction Distribution 1. In the Earth: 2. In the Body: 20 kinds mainly, >70 kinds 3. Influence: Earth, Water, Food
元素周期表 *
元素周期表 *
Classification 1 Macro-elements: or Minerals, Salts >0.01% in the body 7 kinds: Ca, P, Na, K, Mg, Cl, S 60-80% in total minerals Unit: g 2 Microelements: <0.01% or <0.005% in the body Unit: mg, µg
Classification 1 Macro-elements: or Minerals, Salts >0.01% in the body 7 kinds: Ca, P, Na, K, Mg, Cl, S 60-80% in total minerals Unit: g 2 Microelements: <0.01% or <0.005% in the body Unit: mg, µg
3 Essential Microelements: FAO/WHO in 1995: 10 kinds Cu, Co, Cr, Fe, F, I, Mn, Mo, Se, Zn WHO in 1973: 14 kinds Fe, Cu, Zn, I, Mn, Co, Mo, F, Se, Sn, Be,Ni, Si, V No substitute materials in body 4 Toxic Microelements: Pb, Cd, Hg, As 5 Others: Al, Li and so on
3 Essential Microelements: FAO/WHO in 1995: 10 kinds Cu, Co, Cr, Fe, F, I, Mn, Mo, Se, Zn WHO in 1973: 14 kinds Fe, Cu, Zn, I, Mn, Co, Mo, F, Se, Sn, Be,Ni, Si, V No substitute materials in body 4 Toxic Microelements: Pb, Cd, Hg, As 5 Others: Al, Li and so on