What is the shelf life of Panax notoginseng powder?

Panax notoginseng powder has the effects of stopping bleeding, promoting blood circulation and removing blood stasis, and is often used in our daily life. Therefore, many people will buy some Panax notoginseng powder at home. Panax notoginseng powder is a medicine and has a shelf life. It must be used within the shelf life. Once the shelf life is exceeded, it cannot be used anymore. So, how long is the shelf life of Panax notoginseng powder? Let’s take a look below.

The general shelf life of Panax notoginseng powder is about three years. Sometimes it can be stored for up to seven years, but it is generally recommended to take it within three years. Because Panax notoginseng powder is in powdery state, it is very easy to be affected by the environment and become damp or deteriorate. Therefore, it is generally recommended not to store Panax notoginseng powder for too long.

Unopened or sealed Panax notoginseng powder can be placed in the refrigerator. Generally, it can be eaten as long as it has not deteriorated (moldy, oily), that is, its color and smell have basically not changed. Of course, it is best to eat it as soon as possible. Its effective ingredients will easily be lost over time. If you don't eat it, preservation is also important. It is recommended to put it in the freezer of the refrigerator.

Generally, when you buy Panax notoginseng, such as Panax notoginseng roots or Panax notoginseng powder, the store will actually tell you the corresponding shelf life. Try to take it within the shelf life. Although some Panax notoginseng heads, or like ginseng, can be stored for three to five years, the longer it is stored, the more its medicinal properties will be lost.

How to store Panax notoginseng powder

1. Insect-proof storage

The preservation of Panax notoginseng powder mainly needs to consider two aspects: moth-proofing and moisture-proofing. Panax notoginseng powder contains more sugar and is a sweet food and traditional Chinese medicine. Many insects have a special liking for sweet food and medicinal materials. Therefore, the preservation of Panax notoginseng powder needs to be sealed well, and then stored together with Sichuan pepper, tangerine peel, asarum, etc., and the amount of these medicinal materials and ingredients must be greater than the amount of Panax notoginseng powder to ensure the insect-proof effect.

2. Moisture-proof storage

Because Panax notoginseng powder has been processed into powder, it is easily affected by moisture. Therefore, Panax notoginseng powder must not be stored in the refrigerator to avoid moisture. It is recommended to pack Panax notoginseng powder in a sealed plastic bag and place it in a dry, dark place.

3. Store in the sun

Panax notoginseng powder is different from other Chinese medicines. Many Chinese medicines can be directly exposed to the sun for a few hours when they are damp and their efficacy will not be affected. However, Panax notoginseng powder cannot be exposed to direct sunlight. Exposing it to the sun for too long will cause the loss of many volatile oils in Panax notoginseng, and its medicinal efficacy will also be seriously affected.