French bread is strictly a kind of European bread. However, the characteristics of French bread are very distinctive. The salt content in the formula is about 2% of flour, which is generally oil-free and sugar-free. In addition, France passed legislation to protect the French wand.
Opel is a broad concept. Now it generally refers to the characteristic bread of European countries, mainly refers to the staple bread of European countries, such as French, German, Russian bread and so on. Generally, it is low in oil and sugar, and the crust is hard.
Old bread is actually the common name of bread produced by a production process of sweet bread in China. A sweet bread is mainly fermented with old flour instead of directly fermented with fast-growing yeast. Therefore, the relative characteristics of old bread are: soft and sweet.