Preserved eggs, also known as preserved eggs and preserved eggs, are egg processed foods invented by Han people in China. They are unique foods in China, with unique flavor and can stimulate appetite. According to "Biography of Lin Yi", it can "purge lung heat, sober up, remove large intestine fire and treat diarrhea". It is often used to treat sore throat, sore throat, hoarseness and constipation.
Preserved eggs are not only delicious food, but also have certain medicinal value. Wang Shixiong's "Resting Diet Spectrum" said: "Preserved eggs, pungent, astringent, sweet and salty, can purge heat, sober up, purge large intestine fire, treat diarrhea and disperse astringency." Traditional Chinese medicine believes that preserved eggs are cool and can cure eye pain, toothache, hypertension, tinnitus and dizziness. Everyone can eat it: fire is the most suitable; Children, people with spleen-yang deficiency, people with cold-dampness diarrhea, patients with cardiovascular diseases and patients with liver and kidney diseases should eat less.
Note: Preserved eggs should not be eaten with soft-shelled turtle, preserved plum and brown sugar. Usage and dosage: Jiang Mo and vinegar should be used to detoxify preserved eggs; Preserved eggs are best eaten after being cooked. Preserved eggs also contain lead, so children should eat less. It should not be stored in the refrigerator for a long time.
Manufacturing principle
Using the characteristics of protein gel of eggs in alkaline solution, elastic solids can be made. But if the formula of preserved eggs is not well controlled, protein will be hydrolyzed in alkaline solution, and protein will be denatured into protein, so it can't be eaten. If the eggshell cracks or the formula is not well controlled, the hydrogen sulfide in the egg will overflow and turn golden yellow. Normal preserved eggs are dark green, pine-flowered and elastic.
mode of production
Preserved egg is a unique processed egg in China, and it is also an alkaline food. Salt, tea and alkaline substances (such as quicklime, plant ash, sodium carbonate, sodium hydroxide, etc. ) are all materials needed for preserved eggs.