In recent years, it has been circulating on the Internet that vitamin B1 can repel mosquitoes. Some people say that water made up of vitamin B1 and clean water in a ratio of 1:100 can effectively repel mosquitoes, and the mosquito repellent effect can last up to 7 hours. Some people say that taking vitamin B1 a few days before travel can avoid mosquito bites in the suburbs, because mosquitoes do not like the taste of vitamin B1. Is this really true?
Vitamin B1Vitamin B, also known as vitamin B, is a water-soluble vitamin that is indispensable for maintaining normal functions and metabolic activities of the human body. It plays an important role in cell metabolism and the synthesis of red blood cells. Vitamin B participates in the metabolism of three major nutrients and is required for the production of blood. Nutrients play an important role in maintaining the normal function of the nervous system.
Vitamin B include: vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B3 (niacin), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine), vitamin B12 (cyanocobalamin), folic acid, etc.
Vitamin B1 is a coenzyme for many key enzymes in the body's metabolism, which can increase appetite, promote gastrointestinal motility and secretion of digestive juices. When the human body lacks vitamin B1, there will be discomforts such as decreased secretion of digestive juice, slower gastric peristalsis, loss of appetite, and indigestion.
Can vitamin B1 repel mosquitoes?Vitamin B1 can repel mosquitoes and mosquitoes, it is a long-lived Internet legend. If you trace the roots, vitamin B1 mosquito repellent was first produced in Western countries in the 1940s. In 1943, a doctor named W. Ray Shannon published a paper in the Minnesota Medical Journal in the United States, claiming that an aqueous solution of vitamin B1 helps prevent mosquitoes. Unfortunately, neither theoretically nor experimentally, the claim that vitamin B1 can repel mosquitoes has not been verified.
In 2005, Ives AR, a zoology researcher at the University of Wisconsin in the United States, and his colleagues conducted a comprehensive and in-depth study on whether vitamin B1 can be used to repel mosquitoes. The results show that vitamin B1 has no effect on the number of mosquitoes landing on the skin. In other words, vitamin B1 will not have any mosquito repellent effect.
The U.S. Food and Drug Administration (FDA) has stated that over-the-counter (OTC) mosquito repellents are commercially available. Among them, vitamin B1 drugs are clearly mentioned: oral vitamin B1 is a mosquito repellent OTC drug on the market. At present, there is no sufficient data to show that this approach is effective. Those that indicate that they are oral mosquito repellent OTC drugs on the drug label are false, misleading, and not supported by scientific data... In short, any oral OTC drugs that claim to contain mosquito repellent ingredients are not safe and effective. In addition, vitamin B1 is not mentioned in the effective mosquito repellent ingredients published on the website of the Centers for Disease Control and Prevention (CDC).
One of the main reasons people believe that vitamin B1 can prevent mosquitoes is that vitamin B1 has an unpleasant taste, a faint smell, and tastes bitter. People believe that it can repel mosquitoes, and it smells of fighting poison with poison. Humans don't like this smell, and mosquitoes probably don't like it either. Unfortunately, this is not the case. For example, mosquitoes like the smell of sweat that you and I can't avoid. In fact, the taste of mosquitoes is inconsistent with that of humans. Vitamin B1, which makes people feel unpleasant, does not affect mosquitoes.
Domestic scholars have also sprayed vitamin B1 prepared with water on their hands in accordance with the formula on the Internet, but the mosquito bites were not affected at all. In terms of safety, vitamin B1 is a water-soluble vitamin. It will not cause side effects when sprayed on the skin after being dissolved in water. However, the chemical nature of this medicine determines that it is unstable in water and easily decomposes when exposed to light. After spraying the medicine for a while it is completely decomposed.
The human body's daily requirement of vitamin B1 is 1 to 1.5 mg. Meat, beans, and nuts are rich in vitamin B1, and generally do not need additional supplementation. In the various vitamin B1 mosquito repellent formulas circulating on the Internet, the dosage is close to one hundred times the normal human body requirement. Although there are few reports of the harmful effects of vitamin B1 overdose, it may interfere with the absorption of other B vitamins and the secretion of insulin and thyroxine. A large amount of supplementation is not wise.
How to effectively repel mosquitoes?
The peak period of mosquito activity is roughly from June to September, and the most suitable temperature for survival is 26°C to 28°C. I like to be active in dark and humid places. The weather is sultry or before rain, the humidity is high, the light is weak, the sweat and chemical substances secreted by the human body cannot be quickly volatilized due to the sultry heat. These conditions have an attracting effect on mosquitoes. The study found that mosquitoes have two peaks of attack during the day: early in the morning to 9 am and around 6 in the evening. Because mosquitoes have phototaxis, the daylight is early in summer, and the outside is brighter than indoors, so mosquitoes will take advantage of this time to search for food.
According to experts, the best and most thorough method to prevent mosquitoes is environmental management to remove mosquito breeding grounds, followed by safer physical methods such as mosquito nets, mosquito swatters, and mosquito traps; finally consider choosing mosquito coils, aerosols, and repellents. Chemical methods such as agents.
Environmental governance includes environmental improvement and environmental treatment, such as improving environmental sanitation, filling up ponds or ponds around villages with sand, removing waste containers that may accumulate water, and removing weeds on the edge of ditch to make water. Speed up the speed and other methods to eliminate mosquito breeding grounds, etc., and do not give mosquitoes living space; at the same time, try to keep the room dry and bright, because mosquitoes like to live in a dark and humid environment.
Physical control is the use of various mechanical, thermal, light, sound, and electrical methods to kill, isolate or drive away mosquitoes. People hang mosquito nets while sleeping, which is a physical method to prevent mosquitoes. Installing screen doors and screen windows at home can effectively prevent mosquitoes from entering the room. Wear light-colored clothes for outdoor sports. When you are active in places with a lot of mosquitoes, try to wear light-colored long-sleeved clothes and wear socks. This will not only reduce human mosquito contact, but mosquitoes can feel the humidity of human skin and the skin surface. Reduced volatiles will also reduce bites. Take a bath regularly to keep your skin fresh and wipe off the sweat in time when you sweat, which can reduce the attraction of sweat odor to mosquitoes. Use soap and perfume sparingly. Mosquitoes like to eat nectar. Therefore, after using perfume, cosmetics, facial cream and other floral-scented items, the probability of being bitten by mosquitoes will increase.
Chemical control is the use of insecticides, repellents and other compounds to kill and drive away mosquitoes. When using insecticidal aerosol, try not to spray directly on clothing, sheets, furniture, and skin. Before spraying, store food and tableware. After spraying, it is best to close the doors and windows for half an hour to 1 hour, and then open the windows for ventilation. Excessive spraying of insecticidal aerosol will be toxic to the human body, so you must pay attention to safety when using insecticidal aerosol at home. Do not let infants and young children come in contact with it. If you accidentally spray the liquid on the skin, wash it in time.
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ARROW mosquito repellent products can meet your mosquito repellent needs. The product has passed FDA, CE, SDS and other international certifications. And ISO 9001, ISO 14001, OHSAS 18001 three management system certification, product quality is guaranteed. ARROW is a brand of Jiangsu AoGrand Daily Chemical Group Co., Ltd. It belongs to AoGrand Group, which has more than 20 years of professional scientific research and production experience. Its products are mainly concentrated in the mosquito killing category, covering mosquito coils, electric mosquito coils, electric mosquito coils, Insect sprays, etc., with complete product varieties, specifications, and stocks. Our mosquito-repellent coils are sold in Africa, Latin America, South Asia, the Middle East and other regions, and have been exported to more than 150 countries and regions around the world.
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