Alkaloids commonly found in nightshades include solanine, nicotine, and capsaicin. An allergy to these alkaloids is rare, but it can sometimes occur. Most people suffer no ill effects from eating the alkaloids in nightshade foods.
How common is nightshade allergy?
Allergies to nightshade plants are considered very rare. Allergies are caused by glycoalkaloids, a compound naturally produced by all nightshade plants. This is a natural pesticide that helps the plant fight against pathogens, such as bacteria. It can also stimulate an immune response in people.
How common is a black pepper allergy?
Pepper was the 65th most common food to which adverse reactions were reported, affecting 7.3% of respondents. Allergy to spices occurs more commonly in an occupational setting, in particular in the spice industry.
Who should avoid nightshade vegetables?
Nightshade foods contain solanine, a chemical which some people believe may aggravate arthritis pain or inflammation. The Arthritis Foundation say that this is not true. However, if a person feels that certain foods trigger their arthritis symptoms, including nightshades, they should avoid these foods.
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