SPECIAL STORY : Black on the outside, legendary on the inside. Japan’s mysterious “Black Egg’’

Japan: A jet-black egg, a strong sulphur smell, and a legendary promise of seven extra years of life—Japan’s famous “Black Egg” has taken social media by storm. While the unusual delicacy continues to fascinate visitors from across the world, experts say the extraordinary health claim is rooted in folklore rather than scientific evidence.

A mysterious Japanese delicacy known as the “Black Egg” claiming that eating just one egg can increase a person’s lifespan by seven years. The unusual eggs are found in the Owakudani Valley in Japan, a region famous for its sulphur mines and hot springs. These eggs are cooked in naturally heated, sulphur-rich water, which turns their shells black and gives them their distinctive appearance.

Despite their strange look, the eggs have become a popular attraction among tourists. The strong sulphur smell often surprises visitors, with some even covering their noses when they first encounter them. However, those who try the delicacy say it has a unique flavour.According to local beliefs and tourist guides, eating these eggs is associated with longevity and good health. The famous saying that “one black egg adds seven years to life” has made them even more popular among visitors.

However, there is no scientific evidence proving that eating a black egg can actually extend human lifespan by seven years. Experts say the claim is more of a cultural belief and tourism tradition rather than a medically proven fact.The eggs are prepared through a special process in which ordinary eggs are boiled in sulphur-rich hot water for nearly an hour. The chemical reaction with sulphur turns the shells black while giving the eggs their unique characteristics.

Due to their unusual appearance and legendary story, Japan’s black eggs have become a must-try experience for many tourists visiting Owakudani. They are sold at local stalls and cafés, with prices usually ranging between 500 and 600 Japanese yen (around ₹300–₹400) per egg.

While the “seven years of extra life” claim remains unproven, the mysterious black eggs continue to attract visitors from around the world with their fascinating history, unusual preparation and cultural significance.