All Natural, Gluten Free, Better than Chia Seeds, High Omega 3 Perilla seeds are aromatic and they have a delicious nutty flavor. They are used as a spice and makes delicious chutneys and salads. ... You can try out a healthy salad recipe here. The perilla plant is rich in dietary fiber contains nutrients such as alpha-linolenic acid, omega-3 fatty acids and omega-6 fatty acid.