How does a grain of oats look like?

An oat grain, also known as an oat kernel, has a distinct appearance and structure. Here's a description of what a grain of oats looks like:

Shape: Oat grains are elongated and slightly plump, resembling a slender oval or teardrop shape.

Size: The size of an oat grain can vary depending on the specific variety of oats but typically ranges from 2 millimeters (mm) to 8 mm in length and 1 mm to 4 mm in width.

Color: Oat grains exhibit a range of colors, including beige, light brown, golden brown, and even hints of red or black, depending on the cultivar.

Outer Layers: The outermost layer of an oat grain is called the hull. It's a fibrous and indigestible cover that protects the inner parts of the grain. Beneath the hull lies the bran, which is another protective layer rich in fiber.

Groat: The groat is the edible portion of the oat grain. It consists of the endosperm, germ, and the aleurone layer. The endosperm, which makes up the largest part of the groat, provides carbohydrates and some protein. The germ, located at one end of the groat, contains vitamins, minerals, and healthy fats. The aleurone layer, surrounding the endosperm, contributes to the oat's protein content.

Bristles: The oat grain has a distinct feature called the "bristles" or "hairs." These are usually small, hair-like appendages found on the hull and sometimes extend onto the bran. Their color and abundance can vary among oat varieties.

Overall, an oat grain has a slender, oval shape, varies in color, possesses outer layers like the hull and bran, and is characterized by its bristles or hairs. The edible portion called the groat provides essential nutrients such as fiber, carbohydrates, vitamins, and minerals.