Flower velvet slice: round or nearly round, with section diameter of1~ 5 cm; The outer surface is densely covered with red, yellow or brown fine hairs (sometimes burn marks or profit marks can be seen); The skin is reddish brown or brown, and it is smooth; The middle part is yellow and white, with no ossification and dense pores; The body is light, soft and elastic (sometimes small and horny, that is, wax); The smell is slightly fishy and salty.

Deer velvet pieces: oblong or oblong, with the major axis diameter1~ 5 cm and the minor axis diameter of 0.5 ~ 2 cm; The surface is gray, sparse, thick and long; The outer skin is grayish brown with thick keratinization; The middle part is white or reddish brown, and the ossification circle is obvious from the outside to the inside, which is about 1/2 in diameter. There are honeycomb holes in the middle, which are sparse, hard, inelastic and sometimes transparent. Slight breath and light taste.

Physical and chemical identification

Weigh 0. 1g of velvet antler, velvet antler and velvet antler powder respectively, add 4mL of water, heat in a water bath for 15 minutes, cool and filter. Take each filtrate 1mL, add 3 drops of 2% ninhydrin solution, shake well, heat and boil for several minutes. The flower-velvet tablets and horse-velvet tablets are blue-purple; Deer velvet solution is light blue. Take each filtrate 1mL, add 2 drops of10% NaOH, shake well, and add 0.5%CuSO? Solution observation. The test solution of flower velvet and horse velvet tablets is blue-purple; The test solution of deer antler tablets is light color. The results show that the flower velvet tablets are authentic when they are positive in the inspection of authentic products. Deer antler training tablets are negative and are counterfeit.

Microscopic identification

The microscopic characteristics of velvet of velvet, horse velvet and deer velvet are compared as follows: the middle diameter of velvet is13 ~ 60 mm; Ma Rong tablets are15 ~ 70 mm; Deer antler training tablets are 20 ~ 80 mm. Scale arrangement: the flower-velvet slices are compound tile-shaped and parallel; The horsehair pieces are parallel and reticulate from the middle to the base; Deer antler pieces are mostly in the shape of compound tiles at the tip, but parallel ones are rare. Medulla shape; The flower-velvet pieces are more common in the form of beads and less common in the form of nylon; Horseshoe pieces are more common in the form of nylon, but less in the form of beads; Deer antler pieces are multi-reticular, and the tips are beaded.

1. Velvet antler: Real velvet antler is light, hard and brittle, slightly fishy and salty. Usually there are one or two branches, the skin is reddish brown and glossy, and the surface is densely covered with reddish yellow or brownish yellow fine hairs, which are close to each other and are not easy to peel off. Pilose antler is thick, round, plump at the top, soft in capillary, red and yellow in color, red and brown in skin, and it is better to have oily luster. The fake velvet antler is made by wrapping animal bone glue with animal fur. In addition, the pseudo-pilose antler is heavy, tough, not easy to cut off, light in gas, soluble in water, and the solution is turbid.

2. Deer antler pieces: Deer antler pieces are round or oval, with a diameter of about 3 cm and a reddish brown skin. Pilose antler is light in weight, honeycomb in section and dense in tissue.

The fake velvet piece is also similar to a circle, but its thickness is uneven, with a diameter of1.5 ~ 3.5 cm, a grayish brown skin and short hair. The cut surface is brownish purple, with no honeycomb pores and occasional dots. The outer fur is peelable.