Food Acidity ranges

AcidityDescription
0 to 3.6Very acid - very bad for heartburn
3.6 to 4.5Mildly acid - may or may not cause heartburn
4.5 or higherNot acid - most probably won't cause heartburn

For more details search on food acidity and alkalinity look at the list below. Items with higher values are the safest for your stomach. For more details on specific food items and whether they cause heartburn or not take a look at Food Database

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Item Approximate pH
Cabbage5.20 - 6.80
Cabbage, Green5.50 - 6.75
Cabbage, Red5.60 - 6.00
Cabbage, Savoy6.3
Cabbage, White6.2
Cactus4.7
Calamary (Squid)5.8
Cantaloupe6.13 - 6.58
Capers6
Carp6
Carrots5.88 - 6.40
Carrots, canned5.18 - 5.22
Carrots, chopped5.30 - 5.56
Carrots, cooked5.58 - 6.03
Carrots, pureed4.55 - 5.80
Carrots, strained5.10 - 5.10
Cauliflower5.6
Cauliflower, cooked6.45 - 6.80
Caviar, American5.70 - 6.00
Celery5.70 - 6.00
Celery, cooked5.37 - 5.92
Celery Knob, cooked5.71 - 5.85
Cereal, strained6.44 - 6.45
Chayote (mirliton), cooked6.00 - 6.30
Cheese, American, mild4.98
Cheese, Camembert7.44
Cheese, Cheddar5.9
Cheese, Cottage4.75 - 5.02
Cheese, Cream, Philadelphia4.10 - 4.79
Cheese Dip5.8
Cheese, Edem5.4
Cheese, Old English6.15
Cheese, Roquefort5.10 - 5.98
Cheese, Parmesan5.20 - 5.30
Cheese, Snippy5.18 - 5.2l
Cheese, Stilton5.7
Cheese, Swiss Gruyere5.68 - 6.62
Cherries, California4.01 - 4.54
Cherries, frozen3.32 - 3.37
Cherries, black, canned3.82 - 3.93
Cherries, Maraschino3.47 - 3.52
Cherries, red, Water pack3.25 - 3.82
Cherries, Royal Ann3.80 - 3.83
Chicory5.90 - 6.05
Chili Sauce, acidified2.77 - 3.70
Chives5.20 - 6.31
Clams6.00 - 7.10
Clam Chowder, New England6.4
Coconut, fresh5.50 - 7.80
Coconut milk6.10 - 7.00
Coconut preserves3.80 - 7.00
Codfish, boiled5.30 - 6.10
Cod liver6.2
Conch7.52 - 8.40
Congee6.4
Corn5.90 - 7.30
Corn, canned5.90 - 6.50
Corn Flakes4.90 - 5.38
Corn, frozen, cooked7.33 - 7.68
Corn, Golden Bantam, cooked on cob6.22 - 7.04
Crab meat6.50 - 7.00
Crabapple Jelly, corn2.93 - 3.02
Cranberry Juice, canned2.30 - 2.52
Crabmeat, cooked6.62 - 6.98
Cream, 20 per cent6.50 - 6.68
Cream, 40 per cent6.44 - 6.80
Cream of Asparagus6.1
Cream of Coconut, canned5.51 - 5.87
Cream of Potato soup6
Cream of Wheat, cooked6.06 - 6.16
Chrysanthemum drink6.5
Cucumbers5.12 - 5.78
Cucumbers, Dill pickles3.20 - 3.70
Cucumbers, pickled4.20 - 4.60
Curry sauce6
Curry Paste,acidified4.60 - 4.80
Cuttlefish6.3

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