Greening is a biochemical reaction of garlic and vinegar at low temperature, that is, turning green and edible.

2. Harmless to human body

3. Production method of sweet and sour garlic:

Ingredients: fresh garlic 100 kg, salt 10 kg, brown sugar 18 kg, grain vinegar 70 kg, saccharin 25g；;

Production method:

1. Cut off the garlic stalk, leaving a fake stalk of about 6 cm;

2. Wash and drain garlic;

3. Put garlic into a jar, sprinkle a layer of salt, put it into a half jar, add water, pour garlic, salt and brine into another jar every morning and evening, sprinkle salt water on garlic in the jar to make it all wet and marinate thoroughly;

4. Take out the pickled garlic and dry it once a day;

5. Put the semi-dried salted garlic into an empty jar, only half of it, and the remaining half is ready to be poured into the sugar solution;

6. Boil the vinegar, then add brown sugar, dissolve saccharin with a little boiling water, and then add it into the sweet and sour solution;

7. Pour the prepared solution into a garlic paste jar for brewing, and put a cross-shaped bamboo strip in the jar to prevent the garlic paste from expanding and rushing out of the jar mouth;

8. Paste the cylinder mouth with leather paper, and then coat it with pig blood and lime to make the cylinder mouth closed.