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What is salicylic acid and in which foods does it occur?
Salicylic acid is a colorless, crystalline organic acid that melts at 159°C; it is soluble in alcohol but is only slightly soluble in water. Salicylic acid is an ingredient used in many over-the-counter acne medications.
Fruits and vegetables are natural sources of salicylic acid, with fruits having large amounts of salicylates, particularly berries. Some herbs and spices contain quite high amounts, and meat, poultry, fish, eggs and dairy products all have little to no salicylates. Of the legumes, seeds, nuts, and cereals, only almonds, water chestnuts and peanuts have significant amounts. The table below gives more examples of foods containing salicylates:
Salicylates in Foods (/ 100 gr) |
Negligible |
Low (0.1 – 0.25 mg) |
Moderate (0.25 – 0.49 mg) |
High (0.5 – 1 mg) |
Very high (>1 mg) |
Vegetables |
Green peas
Green beans
Celery
Cabbage
Lentils |
Asparagus fresh
Cauliflower
Choko
Mushroom fresh
Onion |
Asparagus canned
Chinese vegetables
Lettuce
Marrow
Olives, black, can
Pumpkin
Snow peans |
Alfalfa
Broccoli
Cucumber
Fava beans
Spinach
Sweet potato |
Champignon
Green pepper
Olive
Mushrooms
Tomato
Radish
Chicory |
Fruits |
Banana
Pear, peeled |
Apple, golden & red delicious
Cherries, sour
Grapes, green, can
Lemon fresh
Mango
Passion fruit
Tamarillo |
Grape fruit juice
Kiwi
Lychee
Loquat
Nectarine fresh
Plum
Watermelon |
Apple Granny, Smith
Avocado fresh
Cherries
Grapes red
Mandarin fresh
Tangelo fresh |
Apricots
Blackberries
Blueberries
Cantaloupe
Dates
Guava
Raisins |
Nuts and Seeds |
Cashews |
Pecans
Peanut butter
Sesame seeds Hazelnuts
Sunflower seeds |
Coconut
Brazil nuts |
Pine nuts
Macadamia nuts
Pistachio nuts |
Almonds
Peanuts |
Seasonings |
Garlic
Parsley
Chives |
Vinegar
Soy sauce
Saffron |
Fennel |
Vegemite |
Canella
Cummin
Curry powder
Dill dry
Garam masalla
Oregano
Paprika hot
Rosemary
Thyme
Turmeric
Mustard |