According to records, as early as the Spring and Autumn Period, millet was wrapped into horns by leaves of zinia latifolia, which was called "horny millet". Rice packed in bamboo tubes is sealed and baked, which is called "tube zongzi". Zongzi is a kind of "blessing" and a tribute used by people to worship their ancestors in festivals. It is an ancient traditional custom to give blessings to ancestors at festivals.

There are many kinds of glutinous rice, and different kinds of glutinous rice will be made in different festivals. Zongzi is a tribute to the ancestors of the gods during the Dragon Boat Festival. At the end of the Eastern Han Dynasty, millet soaked in plant ash water. Because the water contains "alkali", millet is wrapped in leaves and boiled into a quadrangle, which is called Guangdong alkaline water zongzi.

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Dietary taboos:

1, Zongzi should not be eaten cold, but must be eaten hot. The main component of zongzi is glutinous rice with high amylopectin content. After heating glutinous rice, amylopectin will gelatinize, which is beneficial to be decomposed by digestive enzymes and easier to digest; Once cooled, starch will age and grow again, and the cohesion between molecules will be strengthened, so it is not easy to be digested.

2. When eating jiaozi, it should be accompanied by cool vegetables and fruit salad to relieve gastrointestinal discomfort.

3. Zongzi should be fully heated until it is soft to eat.

4. If people with stomach problems eat zongzi, they can choose white zongzi. No sugar, no too sweet.

5. Patients with gallstones, cholecystitis and pancreatitis should not eat jiaozi with meat stuffing, jiaozi with egg yolk and jiaozi with high protein content.

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