The "low-quality" corn discarded in fields in Vietnam is being sold in South Korean supermarkets for hundreds of thousands of dong per kilogram

In the past, corn cobs (also known as corn cores) were usually discarded and piled up in fields after kernel separation. Recently, many of their uses have been discovered. Cleaned corn cobs are now sold in supermarkets for tea preparation at around 6,000 dong per piece. In the past, corn cobs were considered agricultural waste with no significant economic value. After separating kernels for food or animal feed processing, corn cobs were typically thrown away. Sometimes, they were sold at low prices, just a few hundred dong per kg, mainly for livestock feed. In many rural areas of Vietnam, corn cobs were piled up in fields, exposed to rain and sun, and left to rot. Some areas used corn cobs as firewood, but due to their quick burning and heavy smoke production, they were not highly valued. The development of technology and market demand has completely transformed the fate of corn cobs. From being discarded waste, corn cobs are now an important raw material in many industries, from ...