What are pearls used for, and what are pearls made of?

Pearls have a long history of use as precious Chinese medicine, and the efficacy of pearls has been clearly recorded in the classics of traditional Chinese medicine in the past dynasties. Tang "Sea Medicine Materia Medica" cloud pearl "the main eye, remove facial sores, stop diarrhea." He and his mother treated heat and thirst, and cured children's bran sores into the eyes.

The Song Dynasty's "Kaibao Materia Medica" records that pearls can "calm the heart, clear the liver and remove the pannus, and converge and build muscles." The "Compendium of Materia Medica" records that pearls "calm the soul, stop sperm, white turbidity, and relieve gangrene and poison." Painted on the face, it moisturizes the good color.

Paint the hands and feet, go to the ** reverse ......"Traditional Chinese medicine believes that pearls are salty, sweet, cold and non-toxic. Return to the heart, liver meridian. It can calm the heart and calm the nerves, nourish yin and extinguish wind, clear heat and phlegm, clear eyes, detoxify and build muscles.

Chemical studies have shown that pearls contain calcium, zinc, magnesium, iron, copper, manganese and other inorganic elements, mainly calcium carbonate, in addition to more than 22 kinds of trace elements, some of which have important health benefits. The organic ingredients it contains are mainly pearl shell keratin composed of more than 20 kinds of amino acids such as leucine, glycine, tryptophan, cysteine, methionine and proline, of which 7 are essential amino acids for the human body, and tryptophan, cysteine, methionine and proline are amino acids that are not found in many proteins. In addition, pearls also contain taurine, small molecule active peptides, porphyrins and metalloporphyrin complexes, vitamin B and other organic substances, among which taurine is a non-protein amino acid, which has a variety of important physiological activities such as enhancing immunity and anti-inflammatory, while pearl porphyrins and metalloporphyrin complexes have anti-tumor effects.

The chemical components contained in pearls are important bioactive substances in the process of biochemical reactions in the human body, which can promote human metabolism and regulate physiological functions, so as to play the best and health care functions of pearls. Modern pharmacological research has proved that pearls have anti-aging, anti-stress, anti-oxidation, eye protection, anti-ulcer, anti-tumor, anti-radiation, aphrodisiac, antibacterial and hemostatic effects, and can also enhance the body's immune function and promote wound healing. It is widely used in eye diseases, ulcers, osteoporosis, burns, scalds, soft tissue defects, uterine bleeding, cervical erosion, etc.

With the improvement of living standards, pearls are increasingly used in health and beauty products. The chitokeratin, amino acids, and a variety of trace elements contained in pearls can enhance metabolism and promote the regeneration of epidermal cells. Rational use of pearl powder can keep the skin soft and white, moisturized and smooth, and prevent the unique effect of aging.

Pearls not only have good medicinal properties, but also are good decorations, and the popularity of pearl jewelry is an unstoppable trend.

Decorate, you can also grind into pearl powder, wipe your face, brush your teeth, - as if it were so.

Pearls can be ground into powder and taken for beauty

Pearls are formed by two ways: natural formation of pearl mussels and artificial intervention.

A pearl is formed by an external foreign body entering the pearl mussel and touching its mantle, allowing the nacre secreted by the mantle to wrap layer by layer. It is mostly round and has tiny pores on the surface, and a multi-colored luster can be seen when observed. If you bite it with your teeth, it won't make a crisp sound and it won't leave a tooth mark.

When placed in the sun, it will be translucent and textured.

Features of pearls:

The appearance and characteristics of pearls are mostly spherical, different sizes, with a unique silver-gray-white brilliance, hard texture, layered sections, odorless, slightly salty.

In particular, it is better to have large particles, round shapes, pearlescent shining, smooth and delicate, and layered layers on the surface. Pearls are so beloved for their smoothness, roundness, brilliance, and brilliance that they have always been compared to gemstones.

The pearls in bubble tea are made of sweet potato powder, that is, starch dumplings, which are then soaked in syrup after being made into flour balls, which is to ensure that the flour balls can still maintain their sweetness in the sweet milk tea. Generally, the diameter of the round is about 7mm or more, and if it is too small, it is easy to become "full of pearls" when using a tea straw with a large caliber, and it is not convenient to taste the bite of the mellow aroma.

Introduction to bubble tea.

Bubble tea is now a very popular casual drink, especially among young people, this drink is handed down from Taiwan, China, and after adding the flour balls to milk tea, it becomes bubble tea. Bubble tea is one of Taiwan's "bubble tea" culture, and although it is only added to tapioca flour balls, it has become one of the most representative drinks and snacks in Taiwan.

Bubble tea generally uses larger granules, and the diameter after cooking is about 7 mm or more, otherwise the diameter is too small, it is easy to fill the mouth with pearls, and it is not convenient to swallow and chew. However, most bubble tea merchants still offer small pink pearls. Of course, there is also an "amber pearl", which is made with 100% brown sugar.

There are many uses for pearls, but they can be summarized in two ways:

1) For jewelry and clothing: Pearls have long played an important role in the jewelry industry, and they are also one of the most popular precious jewelry.

In jewelry, pearls are mainly used as necklaces, earrings, bracelets, rings, pins and cufflinks.

There is also a long history of using pearls in clothing, such as the "dragon robe" worn by the emperor, the bead quilt and bead mattress used by princes and nobles; Modern pearl ties, etc., are decorated with a large number of sparkling pearls.

2) Medicinal use (pearls that cannot be decorated can be used for medicinal purposes): The chemical composition of pearls is: calcium carbonate.

91。49% and 3 for organic matter. 83%, moisture accounts for 3. 87%, other ingredients 0 81%.

Because pearls contain a variety of nutrients needed by the human body, they can promote cell regeneration, increase metabolism, make ** soft and white, and delay cell aging.

Pearls are sweet, salty and cold, so they are often used in traditional Chinese medicine as a formula drug that calms the nerves, clears away heat and invigorates yin, brightens the eyes, reduces inflammation and builds muscle, and relieves cough and phlegm. In ancient times, pearl powder has been used to make Liushen Pill, Pearl Pill, Xingjun San, Angong Niuhuang Pill and so on.

In recent years, pearl needles made of pearl powder have been used in China to be a good medicine for hepatitis; The pearl paste made by Guangzhou Zhujiang Daily Chemical Factory is moist but not greasy, fragrant and pleasant, and can eliminate acne and reduce freckles, which is well received by consumers at home and abroad.

According to the latest information, human aging is related to the growth of lipofuscin, and pearls have the function of inhibiting the increase of lipofuscin, delaying cell aging, and helping to prolong life.

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The main ingredient for edible pearls is tapioca flour, and to make black pearls, you only need to mix brown sugar and water and heat them until they melt, then add tapioca flour to knead into a dough and divide them into small balls and cook them. To make white pearls, simply follow the steps above and remove the brown sugar.

We usually encounter pearls when drinking milk tea, which is a very classic drink ingredient. If we are worried that the pearls we make outside are not clean and safe, we can also make our own pearls at home. The more common pearls on the market are black pearls and transparent white pearls, to make black pearls, you need to prepare tapioca flour, brown sugar these two materials, first we need to pour brown sugar and an appropriate amount of water into the pot to heat.

After the brown sugar melts, pour the tapioca flour into the pot in stages, stir evenly and knead it into a dough, and finally divide it into small balls and wrap it in new tapioca flour and pour it into the pot to cook. To make white pearls, simply follow the steps above and remove the brown sugar.

Pearls are not artificially made, but are produced in pearl oysters and mother-of-pearl mollusks. Pearls are calcium carbonate-containing mineral beads produced by the endocrine action of shellfish, which are composed of a large number of tiny aragonite crystals. There are many variety, different shapes, and colorful colors.

According to geological and archaeological research, pearls were already on the earth 200 million years ago.

In the international gem world, pearls are also listed as the lucky stone for the June birthday, and the 13th and 30th wedding anniversaries. Pearls with magnificent colors and elegance symbolize health, purity, wealth and happiness, and have been loved since ancient times. There are also two types of pearls: freshwater pearls and saltwater pearls.

Features:

Natural pearls are spherical, oval, irregularly spherical or oblong in shape, with a diameter of 1 6 mm.

The surface is white, yellowish-white, light pink, light blue, etc., with a beautiful color luster and smoothness. Most of the pearls that have been used as ornaments are perforated. The quality is hard, difficult to break, and the section is layered. There is a cracking sound when it is burned with fire. There is no gas, and the taste is slightly salty.

The shape of the pearl is similar to that of natural pearls, but the surface luster is weak, and there are round sand grains or stone cassia fragments on the cross-section, and there is a real pearl layer on the surface. Only the pearl layer is used for medicine.