Ufa wa Proline
Proline (yofupikitsidwa ngati Pro kapena P), yokhala ndi formula ya mankhwala C5H9NO2 ndi kulemera kwa molekyulu ya 115.13, ndi sub amino acid yozungulira. α- Ma amino acid, osalowerera ndale, okhala ndi mfundo ya isoelectric ya 6.30, amakhala ndi kusungunuka kwakukulu m'madzi kuposa amino acid ina iliyonse, ndipo amatha kusungunuka pafupifupi 162g mu 100g ya madzi pa 25 ℃. Zosavuta kusungunuka koma sizosavuta kupanga crystal, zokhala ndi kukoma kokoma. Kutenthetsa pamodzi ndi yankho la ninhydrin kumapanga mankhwala achikasu. Akalowa mu unyolo wa peptide, hydroxylation imatha kuchitika, zomwe zimapangitsa kuti 4-hydroxyproline ipangidwe, yomwe ndi gawo lofunikira la collagen ya nyama. Hydroxyproline imapezekanso m'mapuloteni osiyanasiyana a zomera, makamaka okhudzana ndi mapangidwe a makoma a maselo. Zomera nthawi zambiri zimakumana ndi kuchuluka kwakukulu kwa proline pansi pa mikhalidwe yosiyanasiyana yoipa monga chilala, kutentha kwambiri, kutentha kochepa, ndi mchere. Amagwiritsidwa ntchito kwambiri m'magawo azachipatala, a biomaterial, mafakitale, ndi ena.
Pali mitundu itatu ya proline:DL proline, L-proline, ndi D-proline. Proline yomwe imadziwika kuti L-proline ndi amino acid yomwe imapezeka mwachilengedwe. Pa kutentha kwa chipinda, mankhwalawa ndi kristalo wozungulira. Amawola mwachangu akatenthedwa kufika pa 215-220 ℃. Amasungunuka m'madzi otentha ndi ethanol. Amakoma pang'ono komanso osakanikirana. Amagawika m'njira ya alkaline. [α] D25-86.5 ° (madzi), -60.4 ° (5N hydrochloric acid). Amagawidwa m'mapuloteni osiyanasiyana. Amino acid yokhala ndi kuchuluka koyenera mu plankton yam'madzi; Imapezekanso m'madzi a m'nyanja, tinthu tating'onoting'ono, ndi m'madzi a m'nyanja.
Proline ndi amino acid yofunikira m'thupi la munthu.
Ntchito ndi cholinga
Kugwiritsa ntchito mumakampani opanga mankhwala
Mankhwala a amino acid. Chimodzi mwa zinthu zopangira amino acid. Amagwiritsidwa ntchito powonjezera mapuloteni pambuyo pa kusowa kwa zakudya m'thupi, kusowa kwa mapuloteni, matenda oopsa a m'mimba, kutentha thupi, ndi opaleshoni. Palibe zotsatirapo zoyipa zoonekeratu.
Zotsatira za m'thupi
Mu zamoyo, proline si chinthu chabwino kwambiri choletsa kugwedezeka kwa magazi, komanso chimagwira ntchito ngati chinthu choteteza ma membrane ndi ma enzyme, komanso ngati chowononga ma free radical, motero chimateteza kukula kwa zomera pansi pa kupsinjika kwa osmotic. Pakusonkhanitsa chinthu china chofunikira choletsa kugwedezeka kwa magazi mu ma vacuoles mu zamoyo za potassium ion, proline ingathandizenso pakulamulira bwino kwa cytoplasmic osmotic.
Ntchito zamafakitale
Mu makampani opanga zinthu, proline imatha kutenga nawo mbali pakuyambitsa zochitika zosafanana ndipo imagwira ntchito ngati chothandizira pa hydrogenation, polymerization, ndi zochitika zomwe zimachitika chifukwa cha madzi. Ikagwiritsidwa ntchito ngati chothandizira pazochitika zotere, imakhala ndi ntchito yamphamvu komanso stereospecificity yabwino.
Mapulogalamu m'magawo ena
1. Proline ndi zinthu zochokera mkati mwake nthawi zambiri zimagwiritsidwa ntchito ngati zinthu zoyambira zofanana muzochita zachilengedwe, pomwe kuchepa kwa CBS ndi njira yochepetsera kuchuluka kwa proline m'magazi zimakhala zitsanzo zazikulu.
2. Pakuphika, mapuloteni amakhala ndi proline wochuluka wolumikizidwa ku polyphenols, zomwe zingayambitse chifunga (turbidity).
3. Zipangizo zopangira zoletsa za ester ya ndulu.
4. Zokometsera, zomwe zimakumana ndi shuga potentha ndi co ndikupanga magulu a amino hydrogen, zimatha kupanga zinthu zokhala ndi fungo lapadera.
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