Orchid bean is a traditional snack in China, which is made of new broad beans as the main raw material, rinsed and drained, and then fried. The taste of orchid beans is deeply loved by Chinese and foreign friends. Due to geographical problems, tastes vary from place to place.

The difference between orchid beans and broad beans

There is basically no difference between orchid beans and broad beans. Orchid beans are broad beans, and the raw materials used for orchid beans are broad beans. Orchid beans are cooked and can be eaten directly; Broad beans are raw and need to be cooked before eating. Orchid beans have a long shelf life and broad beans have a short shelf life.

broad bean

Broad beans, also known as beans, summer beans, arhat beans and orchid beans, are common beans. It can be used for stir-frying and cold salad, and can also be made into various snacks, which is a popular food. Broad beans contain a lot of calcium, potassium, magnesium, vitamin C and so on, and the types of amino acids are relatively complete. Eating some properly at ordinary times can improve immunity, which has a certain health care effect on blood circulation and gastrointestinal health.

appear

The pods of broad beans are flat and cylindrical. When immature, the pod is green, the pod shell is thick and juicy, and there is fluff in the pod. Mature pods are black because they are rich in tyrosinase. There are 2 ~ 4 seeds per pod. The seeds are flat and slightly rectangular. The color of seed coat varies with varieties, including milky white, gray, yellow, meat red, brown, purple, turquoise and so on. Umbilical color is black palladium, colorless.

Increasing demand

The requirement of temperature for broad bean growth varies with the growth period. The suitable temperature for seed germination is 16℃ ~ 25℃, the lowest temperature is 3℃ ~ 4℃, and the highest temperature is 30℃ ~ 35℃. The temperature required for vegetative growth is relatively low, with the lowest temperature of 14℃ ~ 16℃ and the flowering and fruiting period of 16℃ ~ 22℃. Under the low temperature of -4℃, the above-ground parts will suffer from freezing damage. Although broad beans can fix nitrogen in the air by rhizobia, their growth still needs to absorb a lot of various elements from the soil, and the lack of elements often leads to various physiological diseases.