接小囡囡的贴，食物代谢后的酸碱度

学术界一般用Potential renal acid loads (PRALs)来衡量。这里有一篇文献，列出了常见食物的PRALs。数值越高的酸性越强。

来源：

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3195546/

Potential renal acid loads (PRALs) of selected foods .

Food or food group	PRAL mEq of: Cl + P04 + SO4 − Na − K − Ca − Mg
Dairy
Parmesan cheese	34.2
Processed cheese plain	28.7
Cheddar reduced fat	26.4
Hard cheese (average)	19.2
Fresh cheese (quark)	11.3
Cottage cheese plain	8.7
Yogurt whole milk	1.5
Ice Cream	0.8
Whole milk	0.7
Buttermilk	0.5
Eggs
Eggs yolk	23.4
Eggs white	1.1
Eggs chicken whole	8.2
Meats
Corned beef	13.2
Luncheon meat canned	10.2
Turkey	9.9
Veal	9.0
Lean beef	7.8
Frankfurters	6.7
Sugars
Sugar white	−0.1
Honey	−0.3
Vegetables
Cucumber	−0.8
Broccoli	−1.2
Tomato	−3.1
Eggplant	−3.4
Celery	−5.2
Spinach	−14.0
Fats and Oils
Butter	0.6
Margarine	−0.5
Olive oil	0.0
Fruits and nuts and fruit juices
Peanuts	8.3
Walnuts	6.8
Grape juice unsweetened	−1.0
Orange juice unsweetened	−2.9
Apples or apple juice unsweetened	−2.2
Apricots	−4.8
Banana	−5.5
Black currents	−6.5
Raisins	−21.0
Grains and grain products
Brown Rice	12.5
Rolled Oats	10.7
Spaghetti whole meal	7.3
Spaghetti white	6.5
Cornflakes	6.0
Rice white	4.6
Bread rye flower	4.1
Bread whole wheat	1.8
Legumes
Lentils green and brown	3.5
Green beans	−3.1
Fish
Trout brown	10.8
Cod fillets	7.1
Beverages
Beer pale	0.9
Coca-Cola	0.4
Beer draft	−0.2
Wine white	−1.2
Coffee infusion	−1.4
Wine red	−2.4