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
Abalone6.10 - 6.50
Abalone mushroom5.00
Ackees5.5
Aloe vera6.1
Aloe Juice6.00 - 6.80
Anchovies6.5
Anchovies, stuffed with capers, in olive oil5.58
Antipesto5.60
Apple, baked with sugar3.20 - 3.55
Apple, eating3.30 - 4.00
Apples, Delicious3.9
Apples, Golden Delicious3.6
Apples, Jonathan3.33
Apples, McIntosh3.34
Apple Juice3.35 - 4.00
Apple Sauce3.10 - 3.60
Apple Winesap3.47
Apricots3.30 - 4.80
Apricots, Canned3.40 - 3.78
Apricots, Dried, stewed3.30 - 3.51
Apricots, Nectar3.78
Apricots , Pureed,3.42 - 3.83
Apricots, Strained3.72 - 3.95
Arrowroot Crackers6.63 - 6.80
Arrowroot Cruel6.37 - 6.87
Artichokes5.50 - 6.00
Artichokes, canned, acidified4.30 - 4.60
Artichokes, French, cooked5.60 - 6.00
Artichokes, Jerusalem, cooked5.93 - 6.00
Asparagus6.00 - 6.70
Asparagus Buds6.7
Asparagus Stalks6.1
Asparagus, cooked6.03 - 6.16
Asparagus, canned5.00 - 6.00
Asparagus, frozen, cooked6.35 - 6.48
Asparagus, green, canned5.20 - 5.32
Asparagus, strained4.80 - 5.09
Avocados6.27 - 6.58

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