Citrus Fruit Guide: Nutrition, Acids & Stomach Health

Citrus fruits like lemons and oranges are rich in electrolytes and fiber, but their high acidity can cause stomach aches. Learn how grapefruit interacts with medications like Cialis and discover the health properties of citrus peels.

The Acid in Oranges

Published Sep,01 2011 | By Karen Curley

Oranges contain ascorbic acid, also known as vitamin C. Other acids that contribute to the nutritional profile of oranges include folic, pantothenic, hydroxycinnamic, citric, malic and oxalic.

Karen Curley has more than 18 years experience in health and nutrition, specializing in healthy food choices for families. She received USDA certification in food components, nutrient sources, food groups and infant/child nutrition, and holds a B.A. in English from the University of Massachusetts. Curley is also an avid gardener, home renovator, Collie breeder, dog groomer and dog trainer.