Ancient records of square bamboo shoots

Li Shizhen's Compendium of Materia Medica in the Ming Dynasty recorded that "bamboo shoots are square and thick, hard and crisp, which can prolong life by being stored specially and eaten regularly". Modern green food scientific research departments have detected that the content of protein in bamboo shoots is 12%, fat is 0.4%, crude fiber is 8%, and it is also rich in amino acids, calcium, iron, selenium, zinc and vitamins B 1, B2, C, etc. In addition, bamboo shoots are tender in meat, delicious in taste and fresh in color, and come from pollution-free mountainous areas. They were called delicacies and tributes in ancient times, and today they are called delicacies, which are praised by people all over the world.