How to grow Sichuan peppercorn seeds well in the north
Sichuan peppercorn seeds are a relatively common seasoning, especially in the Sichuan and Chongqing region, where many friends add Sichuan peppercorn when cooking. So do you know how to grow Sichuan peppercorn seeds in the north? Let's take a look together!
1. How to grow Sichuan peppercorn seeds in the north
To grow Sichuan peppercorn seeds in the north, you need to select new seeds, then soak the seeds in a little water mixed with alkaline noodles before planting. During the growing period, keep the soil moist, place it in a well-ventilated spot, and wait quietly for germination.
2. How to extract Sichuan peppercorn oil
1. Oil dissolution method, oil immersion method, oil drenching method
The oil dissolution method, oil immersion method and oil drenching method are traditional methods for producing Sichuan peppercorn oil, and are used by the vast majority of Sichuan peppercorn oil factories in China. The procedure is: put the Sichuan peppercorn directly into hot edible vegetable oil and seal it with a lid, or place the Sichuan peppercorn in a container whose aperture is smaller than the diameter of the Sichuan peppercorn, slowly pour hot edible vegetable oil into the container, fry out its aroma, and let the active ingredients dissolve into the oil, thus obtaining Sichuan peppercorn oil.
2. Solvent extraction method
Petroleum ether with a boiling point of 60-70°C is selected as the solvent, and the Sichuan peppercorn is repeatedly extracted to obtain Sichuan peppercorn essential oil, which is then heated and mixed with edible vegetable oil to make Sichuan peppercorn oil. This method also has drawbacks: first, the problem of solvent residue leads to impure aroma of the product. Second, the volatilization of the solvent during heating invisibly increases the product cost and causes a certain degree of pollution to the atmospheric environment.
Today Tuliu.com has summarized and organized the related questions about Sichuan peppercorn seeds for you here. We hope this article is helpful to you.