sericin
noun
ser·i·cin
ˈser-ə-sən 
: a gelatinous protein that cements the two fibroin filaments in a silk fiber
Examples of sericin in a Sentence
Recent Examples on the Web
In fact, by boiling the cocoons in an alkaline solution and removing the sticky sericin, sericulturists, or silk producers, untangle threads that are compatible with the body, and capable of breaking down slowly.
—
Amy Paturel, Discover Magazine, 22 Apr. 2025
In much the same way that silk cocoons unravel, silk unravels, too, when rid of its sericin and transformed into an aqueous solution of pure fibroin fiber.
—Amy Paturel, Discover Magazine, 22 Apr. 2025
This boiling step also blunts a natural chemical substance known as sericin, which otherwise would cause the cocoons to harden, resulting in a fabric that’s not as soft.
—Ryan Egglestone, Discover Magazine, 12 Jan. 2021
The formula features the brand's silk protein, which is a blend of sericin and fibroin.
—Sarah Han, Allure, 14 June 2022
This luxurious ingredient contains two proteins — sericin and fibroin — that can benefit skin health, according to Morgan Rabach, M.D., a clinical assistant professor of dermatology at Mount Sinai in New York City.
—Jennifer Hussein, Allure, 1 Mar. 2022
Next, the cocoons are boiled to dissolve the sericin, the gummy substance holding the cocoon together, so the thread can be easily unwound.
—Jennifer Billock, Smithsonian, 12 Apr. 2017
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Amy Paturel, Discover Magazine, 22 Apr. 2025
In much the same way that silk cocoons unravel, silk unravels, too, when rid of its sericin and transformed into an aqueous solution of pure fibroin fiber.
—Amy Paturel, Discover Magazine, 22 Apr. 2025
This boiling step also blunts a natural chemical substance known as sericin, which otherwise would cause the cocoons to harden, resulting in a fabric that’s not as soft.
—Ryan Egglestone, Discover Magazine, 12 Jan. 2021
The formula features the brand's silk protein, which is a blend of sericin and fibroin.
—Sarah Han, Allure, 14 June 2022
This luxurious ingredient contains two proteins — sericin and fibroin — that can benefit skin health, according to Morgan Rabach, M.D., a clinical assistant professor of dermatology at Mount Sinai in New York City.
—Jennifer Hussein, Allure, 1 Mar. 2022
Next, the cocoons are boiled to dissolve the sericin, the gummy substance holding the cocoon together, so the thread can be easily unwound.
—Jennifer Billock, Smithsonian, 12 Apr. 2017
Cite this Entry
“Sericin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sericin. Accessed 3 Jul. 2025.
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