Method for making lead-free preserved duck eggs

• Main Author: PENG WULIANG
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2012
• Subjects: FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HUMAN NECESSITIES; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

The invention relates to a method for making lead-free preserved duck eggs. The method is characterized by comprising the following steps of: putting fresh duck eggs into a solution consisting of water, salt, sodium hydroxide, potassium carbonate, sodium carbonate, five-spice powder, black tea powder, zinc sulfate and the like, soaking the duck eggs for about 100 hours, and thus obtaining the preserved duck eggs. The method for producing the preserved duck eggs is low in cost and short in time, and the preserved duck eggs do not contain toxic substances such as lead and the like.