As the source of safflower medicines is in short supply and the prices are expensive, some unscrupulous peddlers often resort to spurious and unscrupulous profits. In order to prevent being deceived, here are five ways to identify the authenticity of saffron. 1. Take a small piece of this product and place it on a piece of glass. Add 1 drop of dilute sulfuric acid. Dark blue appears around the genuine product. Gradually change to purple and then change to brownish red.
2. Take a little sample, immersed in water, the genuine water becomes golden yellow, no oily floating object on the water surface, if the water is red, and there are oily floating objects on the water surface, it is a fake product.
3. Take a little sample, immersed in water, stirred, the real product is not easy to break broken, broken if it is false.
4. Take a little sample, add a drop of iodine, the real product does not change color, if it becomes blue, blue black or purple, it is a fake.
5. Take a small amount of sample immersed in water, the water is dyed golden yellow and straight down to spread, observed with a magnifying glass, the true end of one end of the expansion into a trumpet, one side of the crack (if the top edge of a fine tooth is the top grade), otherwise it is Counterfeit goods. Adulterated varieties include stamens of safflower, day lily dyeing, jade style, stigma, safflower, and lotus beard.
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