What characteristic makes buckwheat unique among grains?

Buckwheat is unique among grains primarily due to its gluten-free nature. This characteristic makes it an excellent option for those with celiac disease or gluten intolerance. Unlike many traditional grains, which contain gluten, buckwheat is actually a pseudocereal and comes from a seed. As a result, it can be safely consumed by individuals who must avoid gluten in their diets. This quality has contributed to its popularity in various culinary applications, making it a versatile choice for gluten-free products such as pancakes, noodles, and baked goods.

While buckwheat does have other notable features, such as a decent fiber content and being rich in nutrients, it's the gluten-free aspect that distinctly sets it apart from most other grains. This unique quality not only enhances dietary variety for those avoiding gluten but also encourages healthier eating patterns by providing alternatives to common gluten-containing products.