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Pure fresh royal jelly is translucent milk-like, semi-fluid, dilute and thick, with obvious flowers (commonly known as "pulp flowers"), no impurities such as larvae and wax chips, and no bubbles. Milky white, light yellow or reddish, with nectar or pollen fragrance and spicy aroma, the aroma is strong and pure, with obvious sour, astringent, spicy and sweet taste, mainly sour and spicy. The feel is delicate, with a small crystalline feel and slightly sticky.
Frozen royal jelly is yellowish in color and grainy to the touch (10-HDA crystals).
Counterfeit or spoiled royal jelly, dark or pale in color, dull, bubbling and swollen, or rancid, foul, milky, citric acid and talcum powder, or sweet. If the edge of the squeezed pulp bottle overflows, it is a manifestation of adding water; It feels too sticky or rough to the touch, and the particles are not easy to rub, and may be mixed with starch or cornmeal. If the taste is bland and smooth (no graininess), it indicates that the royal jelly has been filtered and ineffective.
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Milk powder and other blending, identification of pink royal jelly: starch turns blue when exposed to iodine. After starch is hydrolyzed, it becomes dextrin, and dextrin turns purple when it meets iodine.
Identification of pure royal jelly mixed with dairy products after being light yellow or orange-yellow after iodine: a small amount of alkaline noodles or a few drops of 20% NaOH is stirred at room temperature, if the suspended solids are all dissolved and light yellow and transparent, it means that the sample is pure royal jelly, if it is not dissolved and turbid, it means that the sample is mixed with dairy products.
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1. Smell the smell of royal jelly: In fact, the easiest way is to identify real and fake royal jelly by smelling the smell. Real royal jelly has a sour taste, accompanied by a spicy flavor, and is very strong.
If royal jelly smells sweet and feels like honey, then it's undoubtedly a fake royal jelly.
2. Stirring the purity of royal jelly: This method also needs to prepare some alkaline liquid, and then pour the royal jelly into 20% pure alkaline liquid, fully and evenly stir, if all are fused, there is no floating matter on the top layer, which means that it is real royal jelly. On the other hand, if it is not fully integrated and there is floating, it is a fake royal jelly.
3. Look at the state of royal jelly: The third method is to look at the state of royal jelly. Fresh real royal jelly is a milky white, close to translucent yellow slurry, which looks thick, if you find that the royal jelly is very thin, and there will be some bubbles floating on the top, this must be a fake queen bee quietly making a big pulp, because the real royal jelly is imitation auspicious will not appear in this case.
4. Measure the acidity and alkali of royal jelly: When distinguishing between real and fake royal jelly, you can also measure the pH value to judge, but you need to prepare iodine Qiheng wine, because iodine wine can be used to detect the authenticity of royal jelly. Because when real royal jelly is exposed to iodine, the color will turn red or yellow.
Fake royal jelly mixed with starch or milk will turn blue when it encounters iodine. This is the easiest way to do this, and you need to prepare some iodine wine.
5. Taste the taste of royal jelly: Distinguish between real and fake royal jelly by tasting the taste. The taste of real royal jelly is very special, a little bitter, slightly sour, and it does not taste as sweet as honey, so many friends like to add two to three times the honey to the royal jelly when eating royal jelly, which is used to cover the strange taste of royal jelly, so that the taste will be slightly better.
So when you are distinguishing between real and fake royal jelly, if it tastes not bitter and sour, but just sweet, then it must be adulterated with fake royal jelly.
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