Why did you turn black? In fact, the lotus root in the iron pot will turn black and related to the polyphenolic chemicals contained in the lotus root. They can combine with iron ions to form a colored complex of purple or blue. It is no wonder that the rib soup can be made into ink. Soup. In addition, the polyphenols in lotus root are oxidized to chemical substances under the action of polyphenol oxidase, and these oximes are aggregated to form melanin. In fact, the cut apple turns brown and the bananas in the refrigerator become dark, for this reason. Blackened lotus roots are edible, but not too fresh for too long. Prevent blackening It is not difficult to keep lotus roots white. Boiled in 100 °C boiling water for 70 seconds to make all polyphenol oxidase inaction, also called the stop polyphenols to the quinone transformation process. However, this method may only be suitable for dishes such as ribs, stewed lotus root, which require soft chewy texture. If you use this method to make cold glutinous rice, black is not dark, but it also loses its crisp taste. In addition to high-temperature treatment, proper addition of acidic substances can bind the hands and feet of polyphenol oxidase. In the production of cold bracts, vinegar is immediately added to the burnt bracts, which greatly avoids the catalysis of polyphenol oxidase and leaves the lotus roots with a pure white color. Those fresh hawks who bought it could not finish eating in a short time. How can they remain clean? This is not difficult, although polyphenol oxidase has a strong catalytic effect, but the need for oxygen participation, phenolic compounds in lotus root can be oxidized into helium, so isolating oxygen is also a method. Soaking lotus root in water can delay the blackening of lotus root. Waist massager Waist massager Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizonscares.com
Can lotus be eaten black?
Autumn is a good season for eating crickets. You may have experienced such an experience: lotus root ribs soup stewed with an iron pan accidentally became black ink, bought back white lotus jade lotus into the next day became Bao Gong face. It is said that the lotus root does not stain the mud, but is it easy to get dark in the air?