Octopus and rape have no similar nutrients and can be cooked together. Octopus contains carbohydrate, fat, protein, various minerals (potassium, sodium, magnesium, selenium, phosphorus, calcium, iron, zinc), vitamin B, vitamin E, sulfuric acid and other nutrients. Rapeseed is rich in calcium, iron and potassium. Rapeseed contains a lot of β -carotene and vitamin C, which helps to maintain human immune function.