2, a small amount of saffron soaked in water, the water is golden yellow. When the amount of saffron is increasing, the color of water will change from orange yellow to orange red, but when the concentration of saffron is high, the water will look red;

3. To judge whether the saffron is true or false, two or three sample filaments are usually put into a white porcelain bowl filled with hot water for observation. If it is really saffron, you can see that the obvious yellow substance diffuses from the filaments and finally dyes the water golden yellow.

Extended data:

Introduction to saffron:

Crocus sativus is the upper part and stigma of Iris crocus. 65438+ 10 Pick flowers in the sunny morning from September to June, remove the stigma and dry them in the sun to get dried safflower. If the oil is polished by reprocessing, it is wet safflower. The quality of dried safflower is better. Store in a cool and dry place and keep it sealed;

Saffron has the function of promoting blood circulation and nourishing blood, which is incomparable to other herbs in traditional Chinese medicine. The function of crocus sativus can obviously improve the symptoms of blood deficiency, physical weakness, irregular menstruation, postpartum congestion, amenorrhea, facial pigmentation, general pain and depression. Make people energetic, energetic and rosy.

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