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Food Acidity ranges
| Acidity | Description |
| 0 to 3.6 | Very acid - very bad for heartburn |
| 3.6 to 4.5 | Mildly acid - may or may not cause heartburn |
| 4.5 or higher | Not 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
Click to Browse an Entire Food Acidity List
| Item |
Approximate pH |
| Abalone | 6.10 - 6.50 | | Abalone mushroom | 5.00 | | Ackees | 5.5 | | Aloe vera | 6.1 | | Aloe Juice | 6.00 - 6.80 | | Anchovies | 6.5 | | Anchovies, stuffed with capers, in olive oil | 5.58 | | Antipesto | 5.60 | | Apple, baked with sugar | 3.20 - 3.55 | | Apple, eating | 3.30 - 4.00 | | Apples, Delicious | 3.9 | | Apples, Golden Delicious | 3.6 | | Apples, Jonathan | 3.33 | | Apples, McIntosh | 3.34 | | Apple Juice | 3.35 - 4.00 | | Apple Sauce | 3.10 - 3.60 | | Apple Winesap | 3.47 | | Apricots | 3.30 - 4.80 | | Apricots, Canned | 3.40 - 3.78 | | Apricots, Dried, stewed | 3.30 - 3.51 | | Apricots, Nectar | 3.78 | | Apricots , Pureed, | 3.42 - 3.83 | | Apricots, Strained | 3.72 - 3.95 | | Arrowroot Crackers | 6.63 - 6.80 | | Arrowroot Cruel | 6.37 - 6.87 | | Artichokes | 5.50 - 6.00 | | Artichokes, canned, acidified | 4.30 - 4.60 | | Artichokes, French, cooked | 5.60 - 6.00 | | Artichokes, Jerusalem, cooked | 5.93 - 6.00 | | Asparagus | 6.00 - 6.70 | | Asparagus Buds | 6.7 | | Asparagus Stalks | 6.1 | | Asparagus, cooked | 6.03 - 6.16 | | Asparagus, canned | 5.00 - 6.00 | | Asparagus, frozen, cooked | 6.35 - 6.48 | | Asparagus, green, canned | 5.20 - 5.32 | | Asparagus, strained | 4.80 - 5.09 | | Avocados | 6.27 - 6.58 | | Baby corn | 5.20 | | Baby Food Soup, unstrained | 5.95 - 6.05 | | Bamboo Shoots + | 5.10 - 6.20 | | Bamboo Shoots, preserved | 3.50 - 4.60 | | Bananas | 4.50 - 5.20 | | Bananas, red | 4.58 - 4.75 | | Banana, yellow | 5.00 - 5.29 | | Barley, cooked | 5.19 - 5.32 | | Basil pesto | 4.9 | | Bass, sea, broiled | 6.58 - 6.78 | | Bass, striped, broiled | 6.50 - 6.70 | | Beans | 5.60 - 6.50 | | Beans, Black | 5.78 - 6.02 | | Beans, Boston style | 5.05 - 5.42 | | Beans, Kidney | 5.40 - 6.00 | | Beans, Lima | 6.5 | | Beans, Soy | 6.00 - 6.60 | | Beans, String | 5.6 | | Beans, Wax | 5.30 - 5.70 | | Beans, pork & tomato sauce, canned | 5.10 - 5.80 | | Beans, refried | 5.9 | | Beans, vegetarian, tomato sauce, canned | 5.32 | | Beets | 5.30 - 6.60 | | Beets, cooked | 5.23 - 6.50 | | Beets, canned, acidified | 4.30 - 4.60 | | Beets, canned | 4.90 - 5.80 | | Beets, chopped | 5.32 - 5.56 | | Beets, strained | 5.32 - 5.56 | | Bird nest soup | 7.20 - 7.60 | | Blackberries, Washington | 3.85 - 4.50 | | Blueberries, Maine | 3.12 - 3.33 | | Blueberries, frozen | 3.11 - 3.22 | | Bluefish, Boston, filet, broiled | 6.09 - 6.50 | | Bran Flakes | 5.45 - 5.67 | | Bran, All | 5.59 - 6.19 | | Bread, white | 5.00 - 6.20 | | Bread, Boston, brown | 6.53 | | Bread, Cracked wheat | 5.43 - 5.50 | | Bread, pumpernickel | 5.40 | | Bread, Rye | 5.20 - 5.90 | | Bread, whole wheat | 5.47 - 5.85 | | Breadfruit, cooked | 5.33 | | Broccoli, cooked | 6.30 - 6.52 | | Broccoli, frozen, cooked | 6.30 - 6.85 | | Broccoli, canned | 5.20 - 6.00 | | Brussels sprout | 6.00 - 6.30 | | Buttermilk | 4.41 - 4.83 | | Cabbage | 5.20 - 6.80 | | Cabbage, Green | 5.50 - 6.75 | | Cabbage, Red | 5.60 - 6.00 | | Cabbage, Savoy | 6.3 | | Cabbage, White | 6.2 | | Cactus | 4.7 | | Calamary (Squid) | 5.8 | | Cantaloupe | 6.13 - 6.58 | | Capers | 6 | | Carp | 6 | | Carrots | 5.88 - 6.40 | | Carrots, canned | 5.18 - 5.22 | | Carrots, chopped | 5.30 - 5.56 | | Carrots, cooked | 5.58 - 6.03 | | Carrots, pureed | 4.55 - 5.80 | | Carrots, strained | 5.10 - 5.10 | | Cauliflower | 5.6 | | Cauliflower, cooked | 6.45 - 6.80 | | Caviar, American | 5.70 - 6.00 | | Celery | 5.70 - 6.00 | | Celery, cooked | 5.37 - 5.92 | | Celery Knob, cooked | 5.71 - 5.85 | | Cereal, strained | 6.44 - 6.45 | | Chayote (mirliton), cooked | 6.00 - 6.30 | | Cheese, American, mild | 4.98 | | Cheese, Camembert | 7.44 | | Cheese, Cheddar | 5.9 | | Cheese, Cottage | 4.75 - 5.02 | | Cheese, Cream, Philadelphia | 4.10 - 4.79 | | Cheese Dip | 5.8 | | Cheese, Edem | 5.4 | | Cheese, Old English | 6.15 | | Cheese, Roquefort | 5.10 - 5.98 | | Cheese, Parmesan | 5.20 - 5.30 | | Cheese, Snippy | 5.18 - 5.2l | | Cheese, Stilton | 5.7 | | Cheese, Swiss Gruyere | 5.68 - 6.62 | | Cherries, California | 4.01 - 4.54 | | Cherries, frozen | 3.32 - 3.37 | | Cherries, black, canned | 3.82 - 3.93 | | Cherries, Maraschino | 3.47 - 3.52 | | Cherries, red, Water pack | 3.25 - 3.82 | | Cherries, Royal Ann | 3.80 - 3.83 | | Chicory | 5.90 - 6.05 | | Chili Sauce, acidified | 2.77 - 3.70 | | Chives | 5.20 - 6.31 | | Clams | 6.00 - 7.10 | | Clam Chowder, New England | 6.4 | | Coconut, fresh | 5.50 - 7.80 | | Coconut milk | 6.10 - 7.00 | | Coconut preserves | 3.80 - 7.00 | | Codfish, boiled | 5.30 - 6.10 | | Cod liver | 6.2 | | Conch | 7.52 - 8.40 | | Congee | 6.4 | | Corn | 5.90 - 7.30 | | Corn, canned | 5.90 - 6.50 | | Corn Flakes | 4.90 - 5.38 | | Corn, frozen, cooked | 7.33 - 7.68 | | Corn, Golden Bantam, cooked on cob | 6.22 - 7.04 | | Crab meat | 6.50 - 7.00 | | Crabapple Jelly, corn | 2.93 - 3.02 | | Cranberry Juice, canned | 2.30 - 2.52 | | Crabmeat, cooked | 6.62 - 6.98 | | Cream, 20 per cent | 6.50 - 6.68 | | Cream, 40 per cent | 6.44 - 6.80 | | Cream of Asparagus | 6.1 | | Cream of Coconut, canned | 5.51 - 5.87 | | Cream of Potato soup | 6 | | Cream of Wheat, cooked | 6.06 - 6.16 | | Chrysanthemum drink | 6.5 | | Cucumbers | 5.12 - 5.78 | | Cucumbers, Dill pickles | 3.20 - 3.70 | | Cucumbers, pickled | 4.20 - 4.60 | | Curry sauce | 6 | | Curry Paste,acidified | 4.60 - 4.80 | | Cuttlefish | 6.3 | | Dates, canned | 6.20 - 6.40 | | Dates, Dromedary | 4.14 - 4.88 | | Dungeness Crab Meat | 6.00 | | Eggplant | 5.50 - 6.50 | | Eggs, new-laid, whole | 6.58 | | Eggs, White | 7.96 | | Eggs, Yolk | 6.1 | | Eell | 6.2 | | Escarolle | 5.70 - 6.00 | | Enchalada sauce | 4.40 - 4.70 | | Fennel (Anise) | 5.48 - 5.88 | | Fennel, cooked | 5.80 - 6.02 | | Figs, Calamyrna | 5.05 - 5.98 | | Figs, canned | 4.92 - 5.00 | | Flounder, boiled | 6.10 - 6.90 | | Flounder, fi1et, broiled | 6.39 - 6.89 | | Four bean salad | 5.6 | | Fruit cocktail | 3.60 - 4.00 | | Garlic | 5.8 | | Gelatin Dessert | 2.6 | | Gelatin, plain jell | 6.08 | | Ginger | 5.60 - 5.90 | | Ginseng , Korean drink | 6.00 - 6.50 | | Gooseberries | 2.80 - 3.10 | | Graham Crackers | 7.10 - 7.92 | | Grapes, canned | 3.50 - 4.50 | | Grapes, Concord | 2.80 - 3.00 | | Grapes, Lady Finger | 3.51 - 3.58 | | Grapes, Malaga | 3.71 - 3.78 | | Grapes, Niagara | 2.80 - 3.27 | | Grapes, Ribier | 3.70 - 3.80 | | Grapes, Seedless | 2.90 - 3.82 | | Grapes, Tokyo | 3.50 - 3.84 | | Grapefruit | 3.00 - 3.75 | | Grapefruit, canned | 3.08 - 3.32 | | Grapefruit Juice, canned | 2.90 - 3.25 | | Grass jelly | 5.80 - 7.20 | | Greens, Mixed, chopped | 5.05 - 5.22 | | Greens, Mixed, strained | 5.22 - 5.30 | | Grenadine Syrup | 2.31 | | Guava nectar | 5.5 | | Guava, canned | 3.37 - 4. 1 | | Guava Jelly | 3.73 | | Haddock, Filet, broiled | 6.17 - 6.82 | | Hearts of Palm | 5.7 | | Herring | 6.1 | | Hominy, cooked | 6.00 - 7.50 | | Honey | 3.70 - 4.20 | | Honey Aloe | 4.7 | | Horseradish, freshly ground | 5.35 | | Huckleberries, cooked with sugar | 3.38 - 3.43 | | Jackfruit | 4.80 - 6.80 | | Jam, fruit | 3.50 - 4.50 | | Jellies, fruit | 3.00 - 3.50 | | Jujube | 5.20 | | Raspberry | 6.27 | | Vanilla | 6.49 | | Kale, cooked | 6.36 - 6.80 | | Ketchup | 3.89 - 3.92 | | Kippered, Herring, Marshall | 5.75 - 6.20 | | Herring, Pickled | 4.50 - 5.00 | | Kelp | 6.3 | | Kumquat, Florida | 3.64 - 4.25 | | Leeks | 5.50 - 6.17 | | Leeks, cooked | 5.49 - 6.10 | | Lemon Juice | 2.00 - 2.60 | | Lentils, cooked | 6.30 - 6.83 | | Lentil Soup | 5.8 | | Lettuce | 5.80 - 6.15 | | Lettuce, Boston | 5.89 - 6.05 | | Lettuce, Iceberg | 5.70 - 6.13 | | Lime Juice | 2.00 - 2.35 | | Lime | 2.00 - 2.80 | | Lobster bisque | 6.90 | | Lobster soup | 5.7 | | Lobster, cooked | 7.10 - 7.43 | | Loganberries | 2.70 - 3.50 | | Loquat (May be acidified to pH 3.8) | 5.1 | | Lotus Root | 6.90 | | Lychee | 4.70 - 5.01 | | Macaroni, cooked | 5.10 - 6.41 | | Mackerel, King, boiled | 6.26 - 6.50 | | Mackerel, Spanish, broiled | 6.07 - 6.36 | | Mackerel, canned | 5.90 - 6.40 | | Mangoes, ripe | 3.40 - 4.80 | | Mangoes, green | 5.80 - 6.00 | | Mangostine ? | 4.50 - .00 | | Maple syrup | 5.15 | | Maple syrup, light (Acidified) | 4.6 | | Matzos | 5.7 | | Mayhaw (a variety of strawberry) | 3.27 - 3.86 | | Melba Toast | 5.08 - 5.30 | | Melon, Casaba | 5.78 - 6.00 | | Melons, Honey dew | 6.00 - 6.67 | | Melons, Persian | 5.90 - 6.38 | | Milk, cow | 6.40 - 6.80 | | Milk, Acidophilus | 4.09 - 4.25 | | Milk, condensed | 6.33 | | Milk, evaporated | 5.90 - 6.30 | | Milk, Goat | 6.48 | | Milk, peptonized | 7.1 | | Milk, Sour, fine curd | 4.70 - 5.65 | | Milkfish | 5.3 | | Mint Jelly | 3.01 | | Molasses | 4.90 - 5.40 | | Muscadine (A variety of grape) | 3.20 - 3.40 | | Mushrooms | 6.00 - 6.70 | | Mushrooms, cooked | 6.00 - 6.22 | | Mushroom Soup, Cream of, canned | 5.95 - 6.40 | | Mussels | 6.00 - 6.85 | | Mustard | 3.55 - 6.00 | | Nata De Coco | 5 | | Nectarines | 3.92 - 4.18 | | Noodles, boiled | 6.08 - 6.50 | | Oatmeal, cooked | 6.20 - 6.60 | | Octopus | 6.00 - 6.50 | | Okra, cooked | 5.50 - 6.60 | | Olives, black | 6.00 - 7.00 | | Olives, green, fermented | 3.60 - 4.60 | | Olives, ripe | 6.00 - .50 | | Onions, pickled | 3.70 - 4.60 | | Onions, red | 5.30 - 5.80 | | Onion white | 5.37 - 5.85 | | Onions, yellow | 5.32 - 5.60 | | Oranges, Florida | 3.69 - 4.34 | | Oranges, Florida "color added" | 3.60 - 3.90 | | Orange Juice, California | 3.30 - 4.19 | | Orange, Juice Florida | 3.30 - 4.15 | | Orange, Marmalade | 3.00 - 3.33 | | Oysters | 5.68 - 6.17 | | Oyster, smoked | 6 | | Oyster mushrooms | 5.00 - 6.00 | | Palm, heart of | 6.7 | | Papaya | 5.20 - 6.00 | | Papaya Marmalade | 3.53 - 4.00 | | Parsley | 5.70 - 6.00 | | Parsnip | 5.30 - 5.70 | | Parsnips, cooked | 5.45 - 5.65 | | Pate | 5.9 | | Peaches | 3.30 - 4.05 | | Peaches, canned | 3.70 - 4.20 | | Peaches, cooked with sugar | 3.55 - 3.72 | | Peaches, frozen | 3.28 - 3.35 | | Peanut Butter | 6.28 | | Peanut Soup | 7.5 | | Pears, Bartlett | 3.50 - 4.60 | | Pears, canned | 4.00 - 4.07 | | Pears, Sickle cooked w/sugar | 4.04 - 4.21 | | Pear Nectar | 4.03 | | Peas, canned | 5.70 - 6.00 | | Peas, Chick, Garbanzo | 6.48 - 6.80 | | Peas, cooked | 6.22 - 6.88 | | Peas, dried (split green), cooked | 6.45 - 6.80 | | Peas, dried (split yellow), cooked | 6.43 - 6.62 | | Peas, frozen, cooked | 6.40 - 6.70 | | Peas, pureed | 4.90 - 5.85 | | Pea Soup, Cream of, Canned | 5.7 | | Peas, strained | 5.91 - 6.12 | | Peppers | 4.65 - 5.45 | | Peppers, green | 5.20 - 5.93 | | Persimmons | 4.42 - 4.70 | | Pickles, fresh pack | 5.10 - 5.40 | | Pimiento | 4.40 - 4.90 | | Pimento, canned, acidified | 4.40 - 4.60 | | Pineapple | 3.20 - 4.00 | | Pineapple, canned | 3.35 - 4.10 | | Pineapple Juice, canned | 3.30 - 3.60 | | Plum Nectar | 3.45 | | Plums, Blue | 2.80 - 3.40 | | Plums, Damson | 2.90 - 3.10 | | Plums, Frozen | 3.22 - 3.42 | | Plums, Green Gage | 3.60 - 4.30 | | Plums, Green Gage, canned | 3.22 - 3.32 | | Plums, Red | 3.60 - 4.30 | | Plums, spiced | 3.64 | | Plums, Yellow | 3.90 - 4.45 | | Pollack, filet, broiled | 6.72 - 6.82 | | Pomegranate | 2.93 - 3.20 | | Porgy, broiled | 6.40 - 6.49 | | Pork & Beans, rts. | 5.7 | | Potatoes | 5.40 - 5.90 | | Potatoes, Mashed | 5.1 | | Prunes, dried, stewed | 3.63 - 3.92 | | Prunes, Sweet | 5.30 - 5.60 | | Prunes, Tubers | 5.7 | | Potato Soup | 5.9 | | Prune Juice | 3.95 - 3.97 | | Prune, pureed | 3.60 - 4.30 | | Prune, strained | 3.58 - 3.83 | | Puffed Rice | 6.27 - 6.40 | | Puffed Wheat | 5.26 - 5.77 | | Pumpkin | 4.90 - 5.50 | | Quince, fresh, stewed | 3.12 - 3.40 | | Quince Jelly | 3.7 | | Radishes, red | 5.85 - 6.05 | | Radishes, white | 5.52 - 5.69 | | Raisins, seedless | 3.80 - 4.10 | | Rambutan (Thailand) | 4.9 | | Raspberries | 3.22 - 3.95 | | Raspberries, frozen | 3.18 - 3.26 | | Raspberries, New Jersey | 3.50 - 3.82 | | Raspberry Jam | 2.87 - 3.17 | | Razor Clams | 6.2 | | Razor shell (sea asparagus) | 6 | | Rattan, Thailand | 5.20 | | Red Ginseng | 5.5 | | Red Pepper Relish | 3.10 - 3.62 | | Rhubarb, California, stewed | 3.20 - 3.34 | | Rhubarb | 3.10 - 3.40 | | Rhubarb, Canned | 3.4 | | Rice, Brown | 6.20 - 6.80 | | Rice, Krispies | 5.40 - 5.73 | | Rice, White | 6.00 - 6.70 | | Rice, Wild | 6.00 - 6.50 | | Rolls, white | 5.46 - 5.52 | | Romaine | 5.78 - 6.06 | | Salmon, fresh, boiled | 5.85 - 6.50 | | Salmon, fresh, broiled | 5.36 - 6.40 | | Salmon, Red Alaska, canned | 6.07 - 6.16 | | Sardines | 5.70 - 6.60 | | Sardine, Portuguese, in olive oil | 5.42 - 5.93 | | Satay sauce | 5 | | Sauce, Enchilada | 5.50 | | Sauce, Fish | 4.93 - 5.02 | | Sauce, Shrimp | 7.01 - 7.27 | | Sauerkraut | 3.30 - 3.60 | | Scallion | 6.20 | | Scallop | 6 | | Scotch Broth. | 5.92 | | Sea Snail (Top shell) | 6 | | Shad Roe, sauted | 5.70 - 5.90 | | Shallots, cooked | 5.30 - 5.70 | | Sherbet, raspberry | 3.69 | | Sherry-wine | 3.37 | | Shredded Ralston | 5.32 - 5.60 | | Shredded Wheat | 6.05 - 6.49 | | Shrimp | 6.50 - 7.00 | | Shrimp Paste | 5.00 - 6.77 | | Smelts, Sauted | 6.67 - 6.90 | | Soda Crackers | 5.65 - 7.32 | | Soup, Broccoli Cheese Suop, condensed | 5.60 | | Soup, Chicken Broth, rts. | 5.8 | | Soup, Corn Soup, condensed | 6.8 | | Soup, Cream of celery Saoup, condensed | 6.20 | | Soup, Cream of Mushroom, condensed | 6.00 - 6.20 | | Soup, Cream style corn, condensed | 5.70 - 5.80 | | Soup, Cream of Potato soup, condensed | 5.80 | | Soup, Cream of shrimp soup, condensed | 5.8 | | Soup, Minestronen condensed | 5.4 | | Soup, New England Clam Chowder,condensed | 6.00 | | Soup, Oyster Stew, condensed | 6.30 | | Soup, Tomato Rice Soup, condensed | 5.50 | | Soup, Soy infant formula | 6.60 - 7.00 | | Soy Sauce | 4.40 - 5.40 | | Soy bean curd (tofu) | 7.2 | | Soybean milk | 7 | | Spaghetti, cooked | 5.97 - 6.40 | | Spinach | 5.50 - 6.80 | | Spinach, chopped | 5.38 - 5.52 | | Spinach, cooked | 6.60 - 7.18 | | Spinach, frozen, cooked | 6.30 - 6.52 | | Spinach, pureed | 5.50 - 6.22 | | Spinach, strained | 5.63 - 5.79 | | Squash, acorn, cooked | 5.18 - 6.49 | | Squash, Kubbard, cooked | 6.00 - 6.20 | | Squash, white, cooked | 5.52 - 5.80 | | Squash, yellow, cooked | 5.79 - 6.00 | | Squid | 6.00 - 6.50 | | Sturgeon | 6.2 | | Strawberries | 3.00 - 3.90 | | Strawberries, California | 3.32 - 3.50 | | Strawberries, frozen | 3.21 - 3.32 | | Strawberry Jam | 3.00 - 3.40 | | Straw mushroom | 4.9 | | Sweet Potatoes | 5.30 - 5.60 | | Swiss Chard, cooked | 6.17 - 6.78 | | Tamarind | 3.00 | | Tangerine | 3.32 - 4.48 | | Taro syrup | 4.5 | | Tea | 7.2 | | Three-Bean Salad | 5.4 | | Tofu (soybean Curd) | 7.2 | | Tomatillo (resembling Cherry tomatoes) | 3.83 | | Tomatoes | 4.30 - 4.90 | | Tomatoes, canned | 3.50 - 4.70 | | Tomatoes, Juice | 4.10 - 4.60 | | Tomatoes, Paste | 3.50 - 4.70 | | Tomatoes, Puree | 4.30 - 4.47 | | Tomatoes, Strained | 4.32 - 4.58 | | Tomatoes, Wine ripened | 4.42 - 4.65 | | Tomato Soup, Cream of, canned | 4.62 | | Trout, Sea, sauted | 6.20 - 6.33 | | Truffle | 5.30 - 6.50 | | Tuna Fish, canned | 5.90 - 6.20 | | Turnips | 5.29 - 5.90 | | Turnip, greens, cooked | 5.40 - 6.20 | | Turnip, white, cooked | 5.76 - 5.85 | | Turnip, yellow, cooked | 5.57 - 5.82 | | Vegetable Juice | 3.90 - 4.30 | | Vegetable soup, canned | 5.16 | | Vegetable soup, chopped | 4.98 - 5.02 | | Vegetable soup, strained | 4.99 - 5.00 | | Vermicelli, cooked | 5.80 - 6.50 | | Vinegar | 2.40 - 3.40 | | Vinegar, cider | 3.1 | | Walnuts, English | 5.42 | | Wax gourd drink | 7.2 | | Water Chestnut | 6.00 - 6.20 | | Watercress | 5.88 - 6.18 | | Watermelon | 5.18 - 5.60 | | Wheat Krispice | 4.99 - 5.62 | | Wheatnena | 5.85 - 6.08 | | Wheaties | 5.00 - 5.12 | | Worcestershire sauce | 3.63 - 4.00 | | Yams, cooked | 5.50 - 6.81 | | Yeast | 5.65 | | Yangsberries, frozen | 3.00 - 3.70 | | Zucchini, cooked | 5.69 - 6.10 | | Zwiebach | 4.84 - 4.94 |
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