In some areas of northeast China, Luo Songtang is also called Supo Soup.
During the October Revolution, a large number of Russians moved to Shanghai. They brought vodka and Russian-style western food. The first western food club in Shanghai was opened by Russians. This soup evolved from Russian-style red cabbage soup. Russian-style red vegetable soup, hot and sour, more sour than sweet. Shanghai people are not used to it. Later, influenced by the purchased raw materials and local tastes, Luo Songtang with unique Shanghai characteristics was gradually formed, which was sweet in acid, fragrant in sweetness, fat but not greasy, fresh, smooth and refreshing.
The efficacy of Luo Songtang
1, improve vision: tomatoes are rich in vitamin A and vitamin V, which helps to improve vision and prevent night blindness.
2, reduce the risk of cataract: tomatoes can contain plant antioxidants lycopene, lutein, zeaxanthin, which can protect eyes from light damage.
3. Reduce the risk of cardiovascular diseases: Lycopene rich in tomatoes has a strong antioxidant effect, which can inhibit the formation of free radicals, effectively alleviate and prevent cardiovascular diseases and reduce the risk of cardiovascular diseases.
4, sun protection: lycopene rich in tomatoes can also prevent the absorption of ultraviolet rays, thereby reducing the loss of DNA collagen and reducing the sensitivity of skin to ultraviolet rays, which is also one of the reasons for wrinkles and fine lines.
5, reduce blood sugar content: tomatoes contain chromium, chromium is a substance that can control blood sugar. Lycopene, which is rich in tomatoes, is a strong oxidant. Modern medicine has found that strong antioxidants can protect blood flow and kidneys. These two parts are often affected by diabetes.