How to identify saffron
Saffron is the dry stigma of the saffron of the iris family. For blood circulation, cooling blood detoxification, Jieyu soothe the nerves. Features: From most stigmas into loose lines, stigma three branches, 3 cm long, dark red, the upper part is wider and slightly flat, the top edge is not neatly dentate, there is a short crack inside, the lower part sometimes a small yellow residue Style. Soft, dull, brittle after drying, easy to break. Gas specific, slightly irritating, slightly bitter taste. The drug was immersed in water and the water was dyed yellow. The stigma without sediment was horn-shaped and had short seams. The needle was not broken in a short time. Common false products include: Filaments doped with other plants, corolla strips, or pulp slivers, etc., can be examined under a microscope. With the use of synthetic dyes or other pigments that are counterfeit, water tests can be used. Its aqueous solution is often red or orange-red rather than yellow. Doped with starch and dextrin, can be used for physical and chemical methods to detect, such as iodine test solution, showing blue or purple, heated after water immersion, fake products were rags flaky. Doped mineral or vegetable oils can be squeezed with filter paper (or absorbent paper) leaving oil marks on the paper. Doped lime powder or other non-volatile salts, immersed in water, there is a powdery precipitate. Generally can be sampled a little immersed in water, the water should not have oil floating, the water was dyed yellow, no significant red, no precipitation, stir with a stick is not easy to break, otherwise it is counterfeit. There is also a less common is made with the Indian grass sprouts stained with glue, purple stems, no aroma. China Agricultural Network Editor