1. Three years. The shelf life of unopened pepper powder is three years, and the shelf life after opening is 12 months. Because it is easy to react with air after opening, which will cause the product to deteriorate more easily, so it needs to be used up as soon as possible after opening.

2. Pepper can be used as medicine and food. Traditional Chinese medicine claims that pepper has the function of warming the stomach and dispersing cold. The main method of eating is to eat pepper directly, and pepper is the main seasoning spice in the world. Pepper is a common condiment in the kitchen. The preservation of kitchen condiments is very important. Pepper needs to be placed in a dry place to avoid moisture and direct sunlight. If there is more pepper, you can take a small amount for daily use and store the majority in a sealed container. , can be stored longer.