□ Morning News reporter Yu Wenyan
repellent products one by one network Hot Comments
City Center for Disease Control and Prevention cold Payne, director of vector with the image of a test case to explain: / p>
M. buster, insect repellent bracelet, stick insect, ultrasonic insect repellent, ... ... before the arrival of mosquito season, a variety of insect repellent products are hot. In the propaganda slogans such as network temptation, all kinds of novel insect repellent products go a long way over the potential of traditional products. These new products are effective? Many people are allergic to this type of fragrance, totally unsuitable for use.
reporters yesterday in a number of shopping sites to see, a variety of insect repellent products, the recent hot, which are mainly M. buster, insect repellent bracelet, stick insect, ultrasonic insect repellent, such as four or five products, the majority of is the imported product, the price of pot M. buster 15-30 yuan, the price of each repellent bracelet around eighty-nine yuan, the price per stick insect is 0.5 yuan,
Zoom Kobe 4, while the price of each ultrasonic insect repellent In twenty or thirty dollars.
natural, non-toxic, environmental protection, good effect, especially for infants and young children, pregnant women absolutely no harm to become the biggest selling point of these new insect repellent products, combined with the design of forms and colors, some products can When the key holder and other small ornaments to use, more buyers of these products favored by the network.
However, these products are really environmentally friendly non-toxic harmless, and effective? Payne said the cold, whether domestic product, or imported products, where the products sold in China in all aspects of its characteristics, the effect must be identified to obtain the authority of state departments, but to his knowledge, the current authority of the State effective insect repellent products identified not much. The reporter also noted that although some shop owners posted a proof of product patents, but patents are not the same as the effective authority of the department of mosquito proof. The effects of these products, cold Payne told reporters that they had tested an ultrasonic insect repellent,
Best Basketball Shoes, was found in the case without this product, a period of 10 mosquitoes attracted by the future, there four mosquito flying,
Cheap Kobe Shoes,
M. buster and other essential oils for insect repellent products, aromatic plants, Shanghai Jiaotong University College of Agriculture of Yao Lei, experts said that part of the aromatic plants that are insect repellent effect, it is because they contain aldehydes, alcohols, phenolic compounds, these plants to survive in nature in order to escape the invasion of certain insects to the smell of their own to drive use of insects, such as lemon grass, clover geranium, thyme and others have insect repellent effect, but under the same conditions, these repellent effects of different plants.
experts said, the smell of the room only to achieve a certain concentration of insect repellent effect, , the pendulum may have effect until two. toxic environment.
Experts: citronella does have some repellent effect, but it is not effective at all times, to a certain concentration to be effective.
■ insect paste
Network Description: native Australia, is a natural plant oil impregnated stickers, fresh aroma of natural vanilla,
New Kobe Shoes, so that mosquitoes inaccessible. Paste the solid, material with high oxygen permeability of woven material for medical use for paste texture.
Experts: plant essential oils to mosquitoes, mainly because it contains phenols, alcohols, aldehydes, but must reach a certain concentration to be effective.
■ repellent
Network Description: According to the zoologist to provide long-term studies of mosquito habits found that female mosquitoes within a week after mating success Ovulation need to add nutrients to the production This means that only the pregnant female mosquitoes bite only after blood-sucking; female mosquitoes during this period can no longer mate with the male mosquito, otherwise it will affect the production, even life in fear, at this time will be trying to avoid male mosquitoes. According to this principle, the products simulate various acoustic jitter male mosquito wings, the use of shock wave theory, continuous automatic frequency to drive mosquitoes.
Experts: scientific principles are right, but also without the authority of the identification of the actual results.
■ photocatalysis mosquito traps
Network Description: The most popular UV mosquito trapping lamp. 360 point light, with tepid effect, the release of carbon dioxide and air to simulate the human body moist atmosphere of carbon dioxide emitted by inducing mosquitoes flying around the fan stirring the air form a vortex, the air and flying habits of mosquitoes with the wind comes, when the Once captured mosquitoes sucked into the window, it is difficult to escape, and then vortex sucked by the fan at the bottom of trap, until dry and die.
Experts: mosquitoes are indeed breath of carbon dioxide emitted by the body to find people, and indeed with phototaxis, currently use the gas (mostly carbon monoxide) to kill mosquitoes and thus carbon dioxide into the product, but with Light Touch technology mosquito enzyme technology has not caught on very good authority identification.
■ M. buster
Network Description: blend of geranium plants and plant containing citronellal aroma substances. Geranium plants is a kind of volatile nature of the plant, under normal circumstances, the plants through photosynthesis,
Zoom Lebron VI, the smell of your body out of volatile molecules. The citronellal itself with the prominent effect of insect repellent to avoid, in many insect repellent products are mostly of the substance at work. The integration of these two species scent is through the characteristics of the geranium has a volatile fragrant substances Citronellal distributed along the molecular, to mosquito repellent, clean air.
Experts: network described as may be more effective.