Stepping into the 21st century, human life expectancy is getting longer and longer. This is not only due to the advancement of medicine, but also because people pay attention to health preservation. "Eating well, living comfortably, and having an open mind" naturally helps physical and mental relaxation and longevity. Therefore, people's requirements for food have long since surpassed merely satisfying physiological needs; nutrition has become a focus. Nowadays, of course, the topic must turn to the most nutritious foods.