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Phenol Sensitivity Phenols are a group substances found in natural foods which have antioxidant effects. They are also produced by gut microbes. Phenols are metabolized by PST (Phenol Sulfo Transferase enzyme) which many autistic children are deficient in. Deficiency of PST leads to problems of poor sulphation and toxin removal. So signs of phenol intolerance or poor processing of phenols can indicate faulty sulphation. Some individuals have difficulty tolerating even small amounts of them. The reaction to a natural salicylate/phenol can be severe if a person is highly sensitive. Some people are troubled by only one or two, while others are sensitive to all of them. Addressing the need to eliminate foods high in Phenols / salicylates is usually reserved for advanced stages of GFCF dietary intervention. A minimum of 2 months providing GFCFSFCF foods should be addressed, making sure the diet is clean of gluten, casein, soya and corn offending ingredients before proceeding. Listed below are some of the symptoms that may be the result of eating highly phenolic foods. (Note: Not all of these symptoms need to be present and it is also important to note that many of these symptoms can also be due to other medical issues.) Signs of Phenol Intolerance Typically these will come on quite quickly after eating phenolic foods (between 20 minutes and 2 hours after). Listed below are some of the symptoms that may be the result of eating highly phenolic foods. (Note: not all of these symptoms need to be present and it is also important to note that many of these symptoms can also be due to other issues). 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. Red cheeks or ears Craving for high phenolic foods Hyperactivity (could also be caused by yeast overgrowth) Fatigue (could also be caused by yeast overgrowth) Inappropriate laughter (could also be caused by yeast overgrowth) Aggression Self injurious behaviour, eg head banging Impatience Poor sleeping habits/ night waking for several hours Headaches Poor neuro-muscular function Night sweats, Black under eyes Excessive thirst Facial flushing Diarrhea or constipation with undigested food Oodorous bed clothes strange rashes that appear on the body erratic behaviors and moods Reactions to medications or artificial ingredients Reducing the phenols in the diet, using Epsom salts baths and using Houston No-Fenol enzymes can help the body reduce the load on the sulphation systems. Sulphation plays a part in detoxification, maintaining the blood/brain barrier, maintaining the gut wall, digestion, neuro development and the immune system. With poor sulphation you are more likely to suffer a leaky gut and a leaky blood/brain barrier. You are also more likely to accumulate toxins as the detoxification systems will function much less efficiently. Chronic infections in the gut increase the need for extra sulphate. Sulphate is needed right at the beginning of the process 12 Grosvenor Gardens, Kingston upon Thames, Surrey, KT2 5BE. Tel: 020 8133 2826 Mobile: 07952 961881 Email: [email protected] Website: www.elementalnutrition.co.uk of digestion to stimulate stomach secretions. If the stomach secretions are not appropriate, then the whole of the digestive system will function poorly. Phenols have been found to depress serotonin (involved in mood, sleep and peristalsis of the bowel) and elevate histamine (involved in allergic response). Phenols can lead to toxic overload and/or stimulate allergic response. Mercury blocks sulphation. By greatly reducing phenols and salicylates in the diet, many children on the spectrum became much happier and had fewer issues. Low Fruits Low vegetables Low Animal Products Apple (yellow) Banana Bamboo Shoot Bean sprouts Beef Paw Paw Black-eyed peas Egg Pear Brown beans Fish Pomegranate Brussel sprouts Lamb Low Grains Cabbage Liver Arrowroot Celery Pork Buckwheat Chickpeas Poultry Cornmeal Leeks Shellfish Maize Millet Rice Lentils Soy Lettuce Lettuce Low Other Low Nuts/Seeds Lima beans Carob powder Cashews Mung beans Chives Poppy seeds Peas Potato Cocoa powder Maple syrup Shallots Parsley Soybeans Saffron Summer squash Shallots Swede Sugar Sweet potato Chamomile tea Moderate Fruits Moderate vegetables Moderate Nuts & Seeds Apples (red) Asparagus Brazil nuts Cantaloupe Beet Coconut (dried) Cherries (sweet) Carrot Hazelnuts Figs Cauliflower Macadamia nuts Grapes light/seedless Corn Pecans Kiwi (golden) Lemon Cucumber (no skin) Aubergine Sesame seeds Sunflower seeds Lychee Green beans Walnuts Mango Olives (black) Moderate Other Nectarine Onion Coriander leaves Passion Fruit Parsnip Garlic Persimmon Pumpkin Molasses Pineapple Spinach Tea (herbal/decaf) Rhubarb Squash (marrow) Watermelon Turnip High Moderate Fruits High-moderate vegetables High Moderate Nuts Apples (green) Alfalfa Pine nuts Cherries (sour) Broad beans Pistachios Grapes (red) Broccoli High Moderate Other Grapefruit (red) Cucumber (with skin) Coffee Kiwi (green) Mushrooms Mandarin orange Okra Mulberries Peach Watercress High Fruits High Vegetables High Nuts Apricots Chicory Almonds Blackberries Endive Peanuts Blueberries Peppers (red/yellow) Water chestnuts Boysenberries Radishes High Other Cranberries Tomatoes Bay leaves Cranberry sauce Currants Courgettes Basil Caraway Dates Chilli powder Guava Loganberries Ginger root Mint Orange Plum Nutmeg White pepper Very High Fruits Peppermints Pimentos Tea (green, black) Vanilla flavouring vinegar Very High Other Very High Vegetables Raisins Pepper (green) Allspice Raspberries Tomato paste Cardamom Prunes Tomato sauce Cloves Strawberries Dill Licorice Paprika(sweet) Black Pepper Pickles EXTREMELY HIGH Aniseed Cayenne Cumin Honey Mustard powder Rosemary Turmeric Celery powder Curry Horseradish Oregano Sage Thyme There is some good information on phenols at www.feingold.org. Sue Simmons, D.N.Med., CNHC, NTCC mBANT, BSc Hons Nutritional Therapist Cinnamon Dill powder Mace Paprika (hot) Tarragon Worcestershire sauce