Pepper seeds are obviously different, and the most commonly used method is sensory identification. Although this method is simple, the accuracy is still very high as long as you observe it carefully.

(1) The new seeds are light yellow and slightly shiny; Old seeds are khaki, and if they are stored for too long, the seed coat will be red. The seeds dried by direct fruit cutting are light yellow, while the seeds washed by water are grayish white after drying.

(2) Smelling the new seeds has a strong sense of stinging the nose, which makes people want to make a fuss; Old seeds have little irritation. (3) Bite the new seeds with strong spicy taste, while the old seeds with weak spicy taste.

Pepper was only introduced to China in Ming Dynasty. According to historical records, the generation of Guizhou and Hunan began to eat pepper from the Qianlong period of Qing Dynasty. The people who started to eat pepper were basically in the lower reaches of the Yangtze River. Because of the humid climate, many people borrowed pepper to drive away the cold and eliminate dampness, and now it is the same. Most people who love pepper are near the Yangtze River.