What are proalamines?

Prolamins are a group of alcohol-soluble storage proteins found in the seeds of cereals and some other plants. They are classified as prolamins based on their solubility in propanol. Prolamins are typically rich in proline and glutamine, and they have a low content of lysine and tryptophan. The most well-known prolamin is gluten, which is found in wheat, rye, and barley. Other prolamins include zein from maize, kafirin from sorghum, and avenin from oats.

Prolamins are relatively simple proteins in composition, and they are typically low in nutritional value. However, they do provide a source of essential amino acids, including proline, glutamine, and methionine. Prolamins are also important for the structural integrity of cereal seeds. They help to protect the seed from damage during germination and storage.

In some individuals, prolamins can cause an allergic reaction. This is known as celiac disease. Celiac disease is a chronic autoimmune disorder that is triggered by the ingestion of gluten. Gluten can damage the small intestine, leading to a malabsorption of nutrients and other health problems.

People with celiac disease must avoid eating foods that contain gluten. This includes wheat, rye, barley, and oats. There are many gluten-free foods available, so people with celiac disease can still enjoy a healthy and varied diet.