Photo Credit Digital Vision./Digital Vision/Getty Images. The acidity of foods, or other substances, are measured by their pH value -- their place on a 14-point pH scale. Acidic substances have a low pH -- the lower the pH, the more acidic -- while neutral and basic substances have higher pH levels of 7 or above.
http://www.livestrong.com/article/23346-high-acidic-foods-list/
Sodas with caffeine and those that are acidic (almost all) are even worse. Of the beverages that were tested, Coke, Tab, and Diet Pepsi were the most acidic. All carbonated beverages can be a problem, so the authors recommend abstaining completely to avoid acid reflux.
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Corn, lentils, winter squash and olives are all vegetables that are high in acid. For example, corn has a pH of 5.2, while lentils and olives have pH levels of 6.3 and 6, respectively. They still have fiber and other nutrients, but they are not good choices if you are trying to lower the levels of acid in your body.
http://www.livestrong.com/article/23346-high-acidic-foods-list/
For avoiding heartburn, she offers the following suggestion: Keep a food log to help you track the foods that are your heartburn offenders, and try to develop a list of safe foods.. Foods like broiled chicken, baked sweet potatoes, toast, or cottage cheese, she says, are on the safe side of the heartburn food list.
http://www.webmd.com/heartburn-gerd/features/top-10-heartburn-foods
You know it all too well. Heartburn. That fiery sensation that grabs hold of your lower chest after you eat something you know you shouldn't have. What often follows is that sour or bitter taste of acid reflux in your throat and mouth that can last minutes (if you are lucky) or hours (if you are not).
http://www.webmd.com/heartburn-gerd/features/top-10-heartburn-foods
$1 for 4 weeks. Potentially acidic foods include many protein foods (meat, fish, shellfish, poultry, eggs, cheese, peanuts), grains, certain fats (bacon, nuts and seeds), coffee and alcohol. Potentially alkaline foods tend to be rich in potassium and magnesium. They include vegetables, fruit, lentils, spices and herbs, molasses, brown sugar and cocoa powder. Neutral foods include butter, oils, milk, corn, white sugar, honey, water and tea. Advocates of alkaline diets say that the modern diet — typically high in animal protein and salt and low in fruits and vegetables — produces excess acid, contributing to modern diseases.
http://www.seattletimes.com/life/wellness/the-truth-about-acid-forming-foods-and-diets/
Fresh squeezed orange juice. Overview. The acidity of foods, or other substances, are measured by their pH value -- their place on a 14-point pH scale. Acidic substances have a low pH -- the lower the pH, the more acidic -- while neutral and basic substances have higher pH levels of 7 or above. The body has a pH balance that determines the amount of acid and alkalinity present in your system.
http://www.livestrong.com/article/23346-high-acidic-foods-list/
Fried food is the single most recognized cause of reflux. It is also the food most often associated with heartburn, which is chest pain from esophageal reflux. Deep-fried (or even not-so-deep-fried) foods are on the bad list because of their high fat content. 4 of 9.
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Yes, millions of us are familiar with the discomfort of heartburn, a condition in which stomach acids back up into the esophagus. The good news is that heartburn is largely avoidable if you steer clear of the top 10 heartburn foods. It also helps to avoid certain classic heartburn-inviting situations. From coffee and liquor to tomatoes and grapefruit, experts tell WebMD that certain foods are known heartburn triggers. Here's what you need to know about the top 10 heartburn foods.
http://www.webmd.com/heartburn-gerd/features/top-10-heartburn-foods
But unfortunately, they often make up over half of many people’s diets. In Dropping Acid: The Reflux Diet Cookbook & Cure, authors Jamie Koufman, MD, Jordan Stern, MD, and French master chef Marc Bauer share foods they consider hazardous, based on medical literature and their experience treating thousands of patients.
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most acidic foods
The most acidic foods are meat, fish, poultry, eggs, grains, and legumes.  