How long is the shelf life of Dendrobium ferrugineum Does Dendrobium ferrugineum have a shelf life

Today, I found some dendrobium from home that I bought a few years ago, and I'm not sure if it's expired, so I'd like to ask if dendrobium has a shelf life. How long is the shelf life?

Does dendrobium have a shelf life?

Dendrobium has a shelf life. Dendrobium is a kind of herbal medicine with high medicinal and health care value, but many people do not know very well whether Dendrobium has a shelf life, in fact, although Dendrobium is a kind of Chinese medicine, but it is the same as other food, also has a certain consumption period, different from food, it may be longer than the general food shelf life.

How long is the shelf life of dendrobium

Fresh dendrobium is about 1 week, and dried dendrobium is about 1-2 years. For Chinese herbs, herbs can generally be kept for about 2 years; the shelf life of herbs of this wood is about 4 years, and mineral herbs are about 10 years. Dendrobium is an orchid herb, and if it is fresh and put in the refrigerator, it can generally be kept for 1 week; dried dendrobium can be kept for about 1-2 years if it is kept well.

How to determine whether the dendrobium is expired

Dried dendrobium is dried from fresh dendrobium stems, usually there will be some water residue in it, and if it is expired, it will have the following characteristics.

Appearance change

The surface color of unexpired Dendrobium is mostly yellowish green or golden yellow, with more obvious fine longitudinal wrinkles; the broken section is flat and grayish white or grayish green; while the expired Dendrobium will be moist and soft, and the surface may have moldy spots.

Taste change

The smell of unexpired dendrobium is slight, with a faint vanilla smell and sticky when chewed; the expired dendrobium may have a damp smell or other sour and bitter taste.

Can the expired dendrobium still be eaten?

If the dendrobium has passed the shelf life, but there is no moisture and mold, you can continue to take it, but its medicinal effect will be reduced. If the dendrobium has been damp and moldy, it is recommended not to continue to eat, because the mold produced by the human body may appear after taking abdominal pain, diarrhea, vomiting and other gastrointestinal reactions, is not conducive to human health.

Dendrobium how to preserve

Fresh dendrobium

Fresh Dendrobium can be stored directly in a ventilated and dry place; it can also be stored in the refrigerator refrigerator, the recommended temperature is 3-5 degrees Celsius, generally can be stored for about 1 week, but it is recommended to eat as soon as possible to avoid the loss of nutrients.

Dried dendrobium

Dried dendrobium can be directly packed in a bag (no need to tie the bag) and put in a cool and ventilated place; it can also be completely dried or dried, then put in a glass jar, sealed and put in a cool and ventilated place.