Defense Mechanism of Bombardier Beetle
Beetles
are a group of insects that form the order Coleoptera. One type of beetle is
Bombardier beetle. Bombardier beetle are famous of their defense mechanism.
When they are disturbed, they eject chemical spray from the tip of their
abdomen which is composed of reaction between two chemical compounds,
hydroquinone and hydrogen peroxide, which are stored in two reservoirs in the
beetles abdomen.
Hydroquinone is an ingredient found in many skin-lightening products
marketed to women for purposes of reducing age spots, melasma, freckles and
other types of hyperpigmentation. In 2006, the U.S. Food and Drug
Administration (FDA) proposed a rule that hydroquinone be considered
"generally recognized as safe and effective," or GRASE. Depending on
the concentration of hydroquinone in your skin lightener, you may get
sufficient results; however, there are known side affects you should be aware
of when using a hydroquinone-based bleaching cream. A common effect
associated with hydroquinone is skin irritation. Drugs.com indicates that it
should not be used on skin that is dry, chapped, sunburned or already
irritated, nor should it be applied to an open wound. Irritation can be reduced
by avoiding the use of harsh cleansing agents, such as soaps and shampoos, hair
dye, permanent waves, cream depilatories, waxes made for hair removal and
products that contain alcohol, lime, spices or other astringents. Avoid using
medicated products unless instructed by a physician.
Hydrogen peroxide be both beneficial and harmful to skin. In dilute
concentrations on open wounds, hydrogen peroxide can prevent infections. In
contrast, on otherwise healthy skin, hydrogen peroxide can cause irritation,
allergic reactions, and in high concentrations it can cause blisters, redness
and other skin damage. Hydrogen peroxide is commonly used to prevent
infections in wounds. Many skin infections are caused by anaerobic bacteria.
They cannot grow in the presence of oxygen. When a typical over-the-counter 3
percent hydrogen peroxide solution is applied to a wound, oxygen is released.
An enzyme called catalase breaks down hydrogen peroxide, releasing oxygen and
water. While the water cleans the wound, the oxygen kills the anaerobic
bacteria. Hydrogen peroxide can bleach hair on the skin. Unlike sunlight
and lemon juice, which work with UV light to bleach hair, peroxide is oxidizing
bleach. It breaks the chemical bonds of the color-causing molecules in the
hair, the chromophores. When the chemical bonds of the chromophores are broken,
the molecules no longer have color.
So in conclusion, if you see
a beetle that looks like a bombardier beetle, do not attempt to touch or go
near it. Even though that it is tiny, it can cause a major effect in your skin
if its spray touches your skin.
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