Many of our Chinese herbs are named by their color, but some herbs have a big difference between their color and their name, yellow essence is one of them, obviously called yellow essence, but it is black, here is a look at why this yellow essence is black.
Why is yellow essence black
There are two colors of yellow essence, one is raw yellow essence, the color is closer to the yucca, is yellow; and life to buy the Chinese herbal medicine yellow essence are processed, that is, after steaming, the color is black, in Chinese medicine raw and fresh yellow essence distinction, called system yellow essence.
Yellow essence black good or yellow good
Yellow essence black is good.
The black color of yellow essence after processing, its drug components more easily volatilized, more suitable for human absorption, in addition, after the processing of yellow essence, although the color is not good, but the taste has obviously been greatly improved, in addition to the raw yellow essence of numbness, therefore, whether for medicinal purposes or food, it is best to use the black system of yellow essence, efficacy and taste are much better than the fresh yellow essence.
Can I eat yellow yellow essence?
The yellow yellow essence cannot be eaten.
Raw yellow yellow essence, without processing, although not toxic, but has a certain irritation to human skin mucosa, direct consumption gives a numb taste, not suitable for direct consumption, to avoid damage to the upper gastrointestinal mucosa, causing throat and oral discomfort reaction, some people may also cause allergic reactions.
How to identify dyed yellow essence
Many people know that yellow essence is black, but there are also vicious yellow essence on the market is after the dyeing process, this yellow essence is also black, but its taste will be very different, the processing of yellow essence has the difference between the number of times of steaming and drying, the more times of steaming and drying, the better the quality of yellow essence, the taste is also more sweet, in addition, this black of yellow essence will not play a staining effect, after eating teeth and tongue will not be colored, if The coloring phenomenon belongs to the fake goods.
The processing method of yellow essence
1. steamed yellow essence from the original herb, remove impurities, wash, repeatedly steamed until the inside and outside is moist black, cut thick slices, dry .
2. wine yellow essence to take the original herbs, remove impurities, wash, add yellow wine mix, into the jar or other suitable containers, closed, steam in water, turning once in the middle, until the wine is absorbed, black color, taste no numbness for degree. Take out, cut thick slices, dry. Sieve to remove the debris.
