Osteoporosis from Acid Foods

1
Osteoporosis from Acid Foods
Aging
Acid Foods
Alkaline Foods
J Nutr 1281051, 1998
2
Animal Protein Osteoporosis
Nutrition
3
Calcium and Osteoporosis
Nutrition
4
Calcium Balance and Protein
Nutrition
Principal Calcium Low
High
Investigator Intake Protein
Protein
C.A. 500 31 -120
M.H. 500 24 -116
R.W. 800 12 -85
N.J. 1400 10
-84
H.L. 1400 20 -65
Average 920 19 -94
5
Modern and Ancient Osteoporosis
Nutrition
Alaskan Eskimos after age 40 had 10 to 15 bone
deficit compared to US whites. (Calcium intake to
2500 mg/day -- fish bones)
Am J Clin Nutr 27916, 1974
Two Eskimo women, one in her 20s and the other in
her 40s, frozen five centuries in a tomb of ice.
they showed signs of severe osteoporosis
They also suffered atherosclerosis Probably
the result of a heavy diet of whale and seal
blubber.
National Geographic June, 1987
6
Sulfur-containing Amino Acids
Nutrition
Methionine in various foods
Food mg/100 Calories Pinto Beans
98 Potato 35 Rice 52 Egg whites 700 Whole
eggs 251 Beef 250 Chicken 317 Salmon 318
7
Toxic Effects of Sulfur-containing AAs
Nutrition
Sulfur-containing amino acids are metabolized
into sulfuric acid
8
Relative Acid Load
Animal Foods
Comparison of the acid load of various
foods(Renal Acid Load per 100 Calories) Egg
5.6 (Yolk 7.0) Beef 6.3 Chicken 7.0 Fish (Cod)
9.3 Cheddar Cheese 10.0  
Potato -5.0 Peas 1.0 Wheat Flour 1.0 Banana
-6.0 Apples -5.0 Spinach -56.0 Tomatoes -18.0
A minus sign means alkaline
JADA 1995 95791-97