Many people think that the weather at this time is hot summer, easy to get tired and sick. Therefore, it is necessary to eat cool foods, such as to clear heat and detoxify the body. This explanation is derived from one of the ingredients that make cake u: bamboo leaves. “This is a remedy in oriental medicine. According to traditional medicine, bamboo leaves have a bitter taste, cool properties, have the effect of cooling, reducing fever, used in the treatment of heatstroke, high fever, and etc.", MSc. Tran Chi Thanh, Director of Sac Moc Tinh One Member Limited Company, explained in a seminar on bamboo leaf tea production technology organized by the Center for Information and Statistics of Science and Technology of Ho Chi Minh City at the end of June.

The above advantages make the applications of bamboo leaves increasingly popular, especially in the food industry. Currently, Vietnam's bamboo leaves are being exported to many countries, such as Taiwan, Japan, and etc. According to the statistics of the General Department of Customs, the export value of bamboo leaves in February 2023 reached 133,000 USD, an increase of 149. 9% over the same period last year. In Vietnam, bamboo leaves are often cheap, even considered a by-product of the bamboo industry, but abroad it is the opposite - bamboo leaves are sold at a high price, used to wrap cakes, food packages or decorative foods.

The process of separating chemical phenomena in tea water helped MSc. Tran Chi Thanh found a solution to overcome the phenomenon of discoloration and nutrient depletion. The principle of this solution is quite simple: change the acidic pH to an alkaline pH. In fact, the answer is inherent in the traditional cake ú, which is usually made by soaking rice in ash water, then wrapping bamboo leaves, "no matter how long you cook it, it still retains its green color, because the ash has an alkaline pH., helps to keep chlorophyll", MSc. Tran Chi Thanh explained. Similarly, the research team has applied the technology to alkalize bamboo leaves by using alkaline salts. Their task is to choose the right, safe alkaline salt for health, and find a recipe to incorporate into the bamboo leaf tea production process.