teb kom tiav: -Qhov kev hloov pauv tseem ceeb ntawm cov nroj tsuag suab puam yog kom txo qis dej. … -Cutin yog cov khoom siv dej waxy nyob rau hauv cuticle ntawm cov nroj tsuag, muaj cov polymerized esters ntawm fatty acids heev. Lawv pab cov nroj tsuag suab puam khaws cov dej noo mus ntev.
Lub hom phiaj ntawm cutin yog dab tsi?
Cov nroj tsuag cuticle, cutin matrix embedded nrog thiab npog los ntawm wax, seals lub saum npoo ntawm lub nruab nrog cev los tiv thaiv cov nroj tsuag tiv thaiv tsis tau cov dej poob. Lub cutin matrix yog qhov tseem ceeb rau lub cuticle rau ua haujlwm raws li qhov cuam tshuam rau dej poob.
Cutin pom nyob rau hauv cov nroj tsuag nyob qhov twg?
Nyob rau hauv cov noob qes, cutin, nrog rau cov waxes txuam, tsim cov cuticle, uas yog tam sim no nyob rau hauv ob sab ntawm sab nrauv-epidermal phab ntsa ntawm nplooj thiab txiv hmab txiv ntoo.
Vim li cas cov nroj tsuag suab puam muaj nplooj tawv tawv?
Waxy npog - Nroj tsuag tsis tsuas yog poob dej los ntawm lawv qhov hws, lawv tseem poob los ntawm cov phab ntsa ntawm tes ntawm lawv nplooj. Cov nplooj thiab stems ntawm ntau cov nroj tsuag suab puam muaj ib tug tuab npog uas yog coated nrog ib tug waxy tshuaj, tso cai rau lawv mus kaw thiab tiv thaiv dab tsi ya raws lawv twb muaj.
Cutin tsim li cas?
Cutin yog lub hauv paus ntsiab lus ntawm cuticle; Nws yog polyester tsim tom qab condensation ntawm polyhydroxy fatty acids synthetized nyob rau hauv epidermal hlwb.
