How To – Food Acidity Level Reference for Canning

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    There are a variety of foods that are available in stores that most home canners may want to process. Understanding the acidity level of the food you are preparing is very important for longevity in storage and for safety.

    Normally standard boiling in a water bath for canning requires that you use either a high acid food like lemons or add acid to the food before canning such as pickled cucumbers.

    This list will give you a General guide that you must verify with supplemental information. For instance if you are processing tomatoes that can sometimes be processed in a water bath whole but preferably are canned in a pressure cooker canner you should measure the PH level of the food yourself then PLEASE use another guide to ensure the method you choose is best for you… Again this is only a quick guide and should not be your only resource for processing foods.

     

    Abalone 6.10 – 6.50
    Abalone mushroom 5.00 –
    Anchovies 6.50
    Antipesto 5.60 –

    Apples
    Delicious 3.90
    Golden Delicious 3.60
    Jonathan 3.33
    McIntosh 3.34
    Juice 3.35 – 4.00
    Sauce 3.10 – 3.60
    Winesap 3.47

    Apricots 3.30 – 4.80
    Canned 3.40 – 3.78
    Dried, stewed 3.30 – 3.51
    Nectar 3.78
    Pureed, 3.42 – 3.83
    Strained 3.72 – 3.95

    Arrowroot Crackers 6.63 – 6.80
    Arrowroot Cruel 6.37 – 6.87
    Artichokes 5.50 – 6.00
    Asparagus 6.00 – 6.70
    Avocados 6.27 – 6.58
    Baby corn 5.20 –
    Bamboo Shoots + 5.10 – 6.20
    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 4.90
    Bass, sea, broiled 6.58 – 6.78
    Bass, striped, broiled 6.50 – 6.70

    Beans 5.60 – 6.50
    Black 5.78 – 6.02
    Boston style 5.05 – 5.42
    Kidney 5.40 – 6.00
    Lima 6.50
    Soy 6.00 – 6.60
    String 5.60
    Wax 5.30 – 5.70

    Beans, pork & tomato sauce, canned 5.10 – 5.80
    Beans, refried 5.90
    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

    Blackberries, Washington 3.85 – 4.50
    Blueberries, Maine 3.12 – 3.33

    Bluefish, Boston, filet, broiled 6.09 – 6.50

    Breadfruit, cooked 5.33
    Broccoli, cooked 6.30 – 6.52

    Brussels sprout 6.00 – 6.30
    Buttermilk 4.41 – 4.83

    Cabbage 5.20 – 6.80
    Cactus 4.70
    Calamary (Squid) 5.80
    Cantaloupe 6.13 – 6.58
    Capers 6.00
    Carp 6.00
    Carrots 5.88 – 6.40
    Cauliflower 5.60
    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

    Chayote (mirliton), cooked 6.00 – 6.30

    Cheese, American, mild 4.98
    Cheese, Camembert 7.44
    Cheese, Cheddar 5.90
    Cheese, Cottage 4.75 – 5.02
    Cheese, Cream, Philadelphia 4.10 – 4.79
    Cheese Dip 5.80
    Cheese, Edem 5.40
    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 5.70
    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
    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 6.40
    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 6.20
    Conch 7.52 – 8.40
    Congee 6.40
    Corn 5.90 – 7.30

    Crab meat 6.50 – 7.00
    Crabapple Jelly, corn 2.93 – 3.02
    Cranberry Juice, canned 2.30 – 2.52

    Cream, 20 per cent 6.50 – 6.68
    Cream, 40 per cent 6.44 – 6.80
    Cream of Asparagus 6.10
    Cream of Potato soup 6.00
    Cucumbers 5.12 – 5.78
    Cucumbers, Dill pickles 3.20 – 3.70
    Cucumbers, pickled 4.20 – 4.60
    Curry sauce 6.00
    Curry Paste,acidified 4.60 – 4.80

    Dates, canned 6.20 – 6.40
    Dates, Dromedary 4.14 – 4.88

    Eggplant 5.50 – 6.50
    Eell 6.20
    Escarolle 5.70 – 6.00
    Enchalada sauce 4.40 – 4.70

    Fennel (Anise) 5.48 – 5.88
    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 5.60
    Fruit cocktail 3.60 – 4.00

    Garlic 5.80
    Gelatin Dessert 2.60
    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 5.50
    Guava, canned 3.37 – 4. 10
    Guava Jelly 3.73

    Haddock, Filet, broiled 6.17 – 6.82
    Hearts of Palm 5.70
    Herring 6.10
    Hominy, cooked 6.00 – 7.50
    Honey 3.70 – 4.20
    Honey Aloe 4.70
    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
    Raspberry 6.27

    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 6.30
    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 5.80
    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 5.70
    Lobster, cooked 7.10 – 7.43
    Loganberries 2.70 – 3.50
    Loquat (May be acidified to pH 3.8) 5.10
    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 -5.00
    Maple syrup 5.15

    Matzos 5.70

    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, Goat’s 6.48
    Milk, peptonized 7.10
    Milk, Sour, fine curd 4.70 – 5.65

    Mint Jelly 3.01
    Molasses 4.90 – 5.40

    Grape – Muscadine 3.20 – 3.40

    Mushrooms 6.00 – 6.70

    Mushroom Soup, Cream of, canned 5.95 – 6.40
    Mussels 6.00 – 6.85
    Mustard 3.55 – 6.00

    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

    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 6.00

    Oyster mushrooms 5.00 – 6.00

    Palm, heart of 6.70
    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

    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 5.70
    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, Red 3.60 – 4.30
    Plums, Yellow 3.90 – 4.45

    Pollack, filet, broiled 6.72 – 6.82
    Pomegranate 2.93 – 3.20

    Pork & Beans, rts. 5.70

    Potatoes 5.40 – 5.90

    Prunes, dried, stewed 3.63 – 3.92

    Potato Soup 5.90

    Prune Juice 3.95 – 3.97
    Prune, pureed 3.60 – 4.30
    Prune, strained 3.58 – 3.83
    Puffed Rice 6.27 – 6.40

    Pumpkin 4.90 – 5.50
    Quince, fresh, stewed 3.12 – 3.40
    Quince Jelly 3.70

    Radishes, red 5.85 – 6.05
    Radishes, white 5.52 – 5.69

    Raisins, seedless 3.80 – 4.10
    Rambutan (Thailand) 4.90
    Raspberries 3.22 – 3.95
    Raspberry Jam 2.87 – 3.17

    Razor Clams 6.20

    Rattan, Thailand 5.20 –
    Red Ginseng 5.50

    Red Pepper Relish 3.10 – 3.62

    Rhubarb 3.10 – 3.40

    Rice (all cooked)
    Brown 6.20 – 6.80
    Krispies 5.40 – 5.73
    White 6.00 – 6.70
    Wild 6.00 – 6.50

    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 5.00

    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 6.00
    Scotch Broth. 5.92
    Sea Snail (Top shell) 6.00
    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

    Soup
    Broccoli Cheese Suop, condensed 5.60 –
    Chicken Broth, rts. 5.80
    Corn Soup, condensed 6.80
    Cream of celery Saoup, condensed 6.20 –
    Cream of Mushroom, condensed 6.00 – 6.20
    Cream style corn, condensed 5.70 – 5.80
    Cream of Potato soup, condensed 5.80 –
    Cream of shrimp soup, condensed 5.80
    Minestronen condensed 5.40
    New England Clam Chowder,condensed 6.00-
    Oyster Stew, condensed 6.30 –
    Tomato Rice Soup, condensed 5.50 –

    Soy infant formula 6.60 – 7.00
    Soy Sauce 4.40 – 5.40
    Soy bean curd (tofu) 7.20
    Soybean milk 7.00

    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 6.20

    Strawberries 3.00 – 3.90
    Strawberries, California 3.32 – 3.50
    Strawberries, frozen 3.21 – 3.32
    Strawberry – Mayhaw 3.27 – 3.86
    Strawberry Jam 3.00 – 3.40

    Straw mushroom 4.90
    Sweet Potatoes 5.30 – 5.60
    Swiss Chard, cooked 6.17 – 6.78
    Tamarind 3.00 –
    Tangerine 3.32 – 4.48
    Taro syrup 4.50
    Tea 7.20

    Three-Bean Salad 5.40

    Tofu (soybean Curd) 7.20

    Tomatoes 4.30 – 4.90
    Tomatillo (resembling Cherry tomatoes) 3.83
    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

    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 3.10
    Walnuts, English 5.42

    Water Chestnut 6.00 – 6.20
    Watercress 5.88 – 6.18
    Watermelon 5.18 – 5.60
    Worcestershire sauce 3.63 – 4.00
    Yams, cooked 5.50 – 6.81
    Yeast 5.65
    Zucchini, cooked 5.69 – 6.10

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