Niu Dali can usually be divided into 3 kinds of small leaves, medium leaves and large leaves, some growers usually choose large leaves, this is because the large leaves usually have the characteristics of large leaves, many leaves and long vines, and usually need to keep pruning, and usually have a certain advantage on the number of late. In the selection of cattle vigorously, it is generally recommended to buy from the regular merchants, the purpose is to ensure the quality of the commercial cattle vigorously, the length of the slice is generally 4-9cm, width 2-3cm, thickness in 0.5-1cm or so, and to select the cattle vigorously with a large slice, white, powdery, sweet taste and other characteristics is preferred.

First, there are several kinds of cow vigorously

1, which types

(1) can be generally divided into the cow vigorously small-leaved, medium-leaved and large-leaved these three kinds.

(2) at present in the market generally to the large leaf quantity is more, this is because the large leaf leaves are generally large and more, vine is long, generally need to keep pruning, in the later stage of the number of usually occupy a certain advantage, so part of the growers will generally choose the large leaf.

2, how to buy cows vigorously

(1) need to buy cows vigorously from the regular business, to ensure the quality of cows vigorously.

(2) The young roots of Niu Dali are generally brittle and easy to break, while the old roots are nearly woody and have a tough character.

(3) Niu Dali as a commodity, generally cut it into pieces of 4-9cm long, 2-3cm wide and 0.5-1cm thick.

(4) cross-section of the skin is generally nearly white, in its inner generally have a layer of brown ring is not very obvious, the middle part is generally nearly white, powdery, slightly loose, the taste is generally slightly sweet, and high-quality Niu Dali, usually has a large slice, white, powdery, sweet taste and other characteristics.

Second, what is oxalis

1, Introduction

(1) oxalis, also known as pig's foot hats, mountain lotus root, jinzhong root, belongs to a kind of medicinal and food plants, it is mainly distributed in the south of the Yangtze River Basin in all parts of the concoctions, you can generally dig the root in the fall, wash it, and then sliced and sun-dried, or It can be steamed and then sun-dried.

(2) Niu Dali's shape is generally cylindrical tuberous roots, or several fusiform bodies connected to a string, the color is generally light yellow or yellowish, slightly rough and ringed, there are artificial planting Niu Dali and wild Niu Dali, and they also have a certain difference.

2, planted cattle vigorously and the difference between wild cattle vigorously

(1) the appearance of different: compared with the wild cattle vigorously, planted cattle vigorously appearance is generally more fat and tender, water content is generally more.

(2) the difference in medicinal properties: compared with the planted Niubizi, the medicinal properties of wild Niubizi are generally better.