Saffron CROCISTIGMA
[Source] This product is the dried stigma of Crocus sativus L.
, a plant of Iridaceae
.
[Properties] This product is linear, three-branched, about 3cm long
.
Dark red, the upper part is wider and slightly flat, the top edge is irregularly toothed, there is a short crack inside, and a small yellow >
.
Light in body, soft in texture, non-greasy luster, brittle and easy to break after drying (Figure 18-8A~C)
.
Gas-specific, slightly irritating, slightly bitter taste
.
[Identification] This product is orange-red powder
.
The surface of the epidermal cells is elongated, with thin and slightly curved walls, and some of the outer walls are protruding and milky
Figure 18-8 Saffron
A.
Safflower B.
Three branches C.
Apical dentate D.
Epidermal cell papillary protrusion E.
Calcium oxalate crystal F.
Catheter
Head-like or fluffy, with faintly visible slender textures on the surface
.
The epidermal cells at the top of the stigma are villiform, 26-56um in diameter, with sparse texture on the surface
.
Calcium oxalate crystals accumulate in parenchyma cells, which are granular, round cluster, fusiform or square-like, with a diameter of 2-14um (Figure 18-8D~F)
.
【Character identification characteristics】
(1) It is linear, three-branched, dark red, and the upper part is wider and slightly flattened
.
(2) The top edge is tooth-like with a short crack inside
.
(3) A small yellow >
.
(4) The water immersion liquid is dyed yellow without precipitation
.
【Microscopic identification features】
(1) The surface of the epidermal cells is long, thin and slightly curved
.
(2) Some protruding outer walls are papillary or villous
.
(3) Calcium oxalate crystals accumulate in parenchyma cells and are granular, round cluster, spindle or square-like
.
(4) Threaded conduit
.
Related Links: Identification of Cinnabar and Identification of Pearls