How does the caterpillar make silk?

How does the caterpillar make silk?

How does the caterpillar make silk?

The bombyx is unknown in the wild, it results from selection by breeding called sericulture. It is at the stage of caterpillar that the bombyx produces the precious fiber secreted into an abundant slime which, on hardening, is transformed into a single thread of silk brute with which the caterpillar to made a cocoon.

How is silk produced?

The silk is a natural and animal fiber. She is resulting from the secretion of a caterpillar which is often the caterpillar of the mulberry moth. The worm secretes a slime and surrounds itself with 8 meters of silk continuously to form its cocoon and turn into a butterfly.

How are caterpillars formed?

The female lays eggs. At hatching, a small caterpillar comes out of each egg. Each caterpillar is a larva that to feeds a lot, grows thanks to successive moults. Then this larva to transforms into a chrysalis from which a butterfly will emerge: this is metamorphosis.

How Does the Caterpillar Transform?

to transform. Once the caterpillar is in its chrysalis, she experiences many changes over a period of one to two weeks. Its eyes, antennae, trunk and wings to develop… The caterpillar then gradually becomes a butterfly.

How to make silk?

For the manufacture of silk, the chrysalis must be killed without damaging the cocoon. The cocoons are therefore suffocated in ovens at 70 to 80°C, then soaked in boiling water to soften the sandstone. Sandstone, also called sericin, is a material that surrounds the silk thread. Also, How to create silk?

How was silk discovered?

It is said that a Chinese princess would have discovered silk, 2700 years BC, by dropping in her cup of tea a cocoon of a silk moth (the silkworm, which itself is the caterpillar of a butterfly) of a mulberry tree above her. A long thread would have unraveled when she tried to retrieve the cocoon…

What is the origin of silk?

The origin of silk has the charm of a pretty tale. It is said that a Chinese princess would have discovered silk, 2700 years BC, by dropping in her cup of tea a cocoon of a silk moth (the silkworm, which itself is the caterpillar of a butterfly) of a mulberry tree above her.

What are the benefits of silk for the skin?

Skin contact with silk is pleasant and healthy because silk does not cause allergies and is thermoregulatory (warm in winter, cooler in summer). Of course, the prestige of silk predisposes it to the worlds of weddings and haute couture.