1. Heart radish is a kind of radish. There is a pigment called anthocyanin in the juice of radish, which is a water-soluble pigment. It is red in acidic solution and purple-blue in alkaline environment. Therefore, vegetables containing this pigment will become more vivid after being soaked in acid, hence the name.

2. The beauty in my heart is home cooking, and the main ingredient is shredded radish. Some radishes are spicy because of their own biological components.