Why are the octopus in the hotel red?

Fresh ingredients and different cooking methods.

1. Ingredients: The octopus in the hotel is made of fresh octopus. In the body of octopus, there is a pigment called astaxanthin, which is a red natural pigment that can make octopus's skin turn red. Therefore, after the octopus is cooked, this pigment will penetrate into the flesh of the octopus and make the octopus turn red.

2. Different cooking methods: The cooking method of hotel octopus is often roasting or frying. In these cooking methods, the surface of octopus will be affected by high temperature, making the outer layer of octopus brown or golden yellow. In this case, the red color of octopus is more prominent, which makes the whole octopus look more delicious.