The better quality Panax notoginseng has full appearance, high dryness, natural color and rough feeling, and it has no obvious humidity when touched by hand, and the entrance is extremely bitter but quickly returns to sweetness; The poor quality of Panax notoginseng is shriveled, with many wrinkles and low dryness. When it is touched by hand, it has a moist feeling, and the taste will be too sweet or too bitter.

Within the same weight, the less the number of Panax notoginseng, the better. The number of Panax notoginseng refers to the main root of Panax notoginseng, and the number, weight and efficacy of the main root of Panax notoginseng grown by each plant are different.

the main roots of panax notoginseng are measured by the number of heads. Generally, every 5g contains several panax notoginseng heads, that is, how many heads are called. For example, 2 heads mean that the weight of 2 panax notoginseng heads reaches 5g, 3 heads mean that the weight of 3 panax notoginseng heads reaches 5g, and so on, with 4 heads, 5 heads and 6 heads down. The less the number of panax notoginseng, the greater the weight of a single panax notoginseng, the higher the content of effective components, and thus the higher the price and value.

what are the above references? Baidu encyclopedia-sanqi