Virgin boy egg
Virgin boy eggs or tong zi dan (Chinese: 童子尿煮鸡蛋; pinyin: Tóngzǐ Niào Zhǔ Jīdàn) are a traditional delicacy of Dongyang, China made by cooking eggs in urine collected from young boys. Every year in early spring time, the urine of prepubertal school boys preferably under 10 years is collected and boiled with eggs and sold for 1.50 yuan, around twice the price of a regular boiled egg. Dongyang residents believe "the eggs decrease body heat, promote better blood circulation and just generally reinvigorate the body." In 2008, Dongyang recognized the eggs as "local intangible cultural heritage."
Urine is collected from school toilets or boys urinate directly into collection buckets set out by vendors. The eggs are soaked and boiled in the urine. The shells are cracked and cooked more on low heat like tea eggs. Cooking takes all day.
Supposed health benefits
Dongyang residents believe "the eggs decrease body heat, promote better blood circulation and just generally reinvigorate the body." According to a doctor of Chinese medicine, urine crystals are like ren zhong bai. "It can treat yin deficiency, decrease internal body heat, promote blood circulation and remove blood stasis." One doctor said that urine has no beneficial health properties as it is simply a waste product while another labelled it unsanitary but did not object to the practice of consuming the eggs.
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