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keratin 音標拼音: [k'ɛrətən] [k'ɛrətɪn]

n. 角質素

角質素

WordNet (r) 3.0 (2006) (WordNet)

keratin
n 1: a fibrous scleroprotein that occurs in the outer layer of
the skin and in horny tissues such as hair, feathers,
nails, and hooves [synonym: {keratin}, {ceratin}]

The Collaborative International Dictionary of English v.0.48 (gcide)

keratin \ker"a*tin\, n. [Gr. ke`ras, -atos, horn.] (Physiol.
Chem.)
A sulfur-containing fibrous protein constituting the main
structural protein of hard epidermal tissues, such as horn,
hair, feathers, nails, claws, hoofs, and the like. It is an
insoluble substance, and, unlike elastin, is not dissolved
even by gastric or pancreatic juice. By decomposition with
sulphuric acid it yields leucine and tyrosine plus various
other acid-stable amino acids. The amino acid composition
varies, but it usually has a high percentage of cystine,
which stabilizes and insolubilizes the protein by forming
intrachain linkages. A softer form of keratin is present in
the epidermis and whalebone. Called also {epidermose}.
[1913 Webster PJC]

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英文字典中文字典相關資料:

Keratin - Wikipedia
It is the key structural material making up scales, hair, nails, feathers, horns, claws, hooves, and the outer layer of skin in tetrapod vertebrates Keratin also protects epithelial cells from damage or stress Keratin is extremely insoluble in water and organic solvents
Keratin: Protein, Structure, Benefits, Uses Risks
Keratin is a protein that helps form hair, nails and your skin’s outer layer (epidermis) It helps support your skin, heal wounds and keep your nails and hair healthy
Keratin: Protein, Structure, Benefits, Uses. Hair Keratin Protein.
Keratin is a popular ingredient in hair care products, such as shampoos, conditioners, and treatments, due to its ability to strengthen and repair damaged hair It can help restore the hair's natural shine, reduce breakage, and provide heat protection
Keratin: Types, Structure, Benefits, Uses, and Safety
Keratin is a naturally occurring protein within the body that aids in the health of the skin, hair, and nails It is also used in hair products
Kerassentials™ - $49 Bottle | Kerassentials 65% off [OFFICIAL]
Are you tired of constantly battling with nail and skin issues that leave you feeling self-conscious and insecure? Look no further than Kerassentials, the revolutionary formula designed to maintain the health and appearance of your nails and skin
Is keratin good for your hair? We asked dermatologists - TODAY
Dermatologists share the best keratin products for damaged, frizzy hair Plus, the experts talk about whether keratin can help with hair growth and reduce signs of hair damage
Keratin-rich foods and their benefits - Medical News Today
Keratin is a protein that helps maintain the structure of hair, nails, skin, and the lining of the internal organs Certain nutrients support keratin production
10 Foods That Boost Your Bodys Keratin Levels - Healthline
Keratin is a type of protein that boosts the health of your hair, skin, and nails Here are 10 foods that promote keratin production
What Is a Keratin Treatment? Benefits, Risks, and Costs Explained
First, what is a keratin treatment? A keratin treatment is a semi-permanent hair straightening method that aims to smooth and straighten frizzy or curly hair, says Ross Kopelman, MD, a

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