Phofo ea Proline
Proline (e khutsufalitsoeng e le Pro kapa P), ka foromo ea lik'hemik'hale ea C5H9NO2 le boima ba limolek'hule ba 115.13, ke amino acid e potolohang. α- Li-amino acid, tse sa nke lehlakore, tse nang le ntlha ea isoelectric ea 6.30, li na le ho qhibiliha ho hoholo metsing ho feta amino acid efe kapa efe, 'me li ka qhibiliha hoo e ka bang 162g ka 100g ea metsi ka 25 ℃. Ho bonolo ho li qhibilihisa empa ha ho bonolo ho li kristale, ka tatso e monate. Ho futhumatsa hammoho le tharollo ea ninhydrin ho hlahisa metsoako e mosehla. Hang ha e kena ka har'a ketane ea peptide, hydroxylation e ka etsahala, e leng se fellang ka ho thehoa ha 4-hydroxyproline, e leng karolo ea bohlokoa ea collagen ea liphoofolo. Hydroxyproline e boetse e teng liprotheineng tse fapaneng tsa limela, haholo-holo tse amanang le ho thehoa ha mabota a sele. Limela hangata li ba le pokello e kholo ea proline tlas'a maemo a fapaneng a mabe joalo ka komello, mocheso o phahameng, mocheso o tlase le letsoai. E sebelisoa haholo masimong a bongaka, a biomaterial, indastering le a mang.
Ho na le mefuta e meraro ea proline:Proline ea DL, L-proline, le D-proline. Proline e tsejoang hangata e le L-proline, e leng amino acid e hlahang ka tlhaho. Mochesong oa kamore, sehlahisoa sena ke kristale ea columnar. E bola kapele ha e futhumatsoa ho fihlela ho 215-220 ℃. E qhibiliha ka metsing a chesang le ethanol. E monate hanyane ebile e hygroscopic. E fetoha ka har'a tharollo ea alkaline. [α] D25-86.5 ° (metsi), -60.4 ° (5N hydrochloric acid). E ajoa ka liprotheine tse fapaneng. Amino acid e nang le tekanyo e itekanetseng ho plankton ea leoatle; E boetse e teng metsing a leoatle, linthong tse nyenyane le marung a leoatle.
Proline ke amino acid e seng ea bohlokoa 'meleng oa motho.
Mosebetsi le morero
Tšebeliso indastering ea meriana
Meriana ea amino acid. E 'ngoe ea lisebelisoa tse tala tsa ho kenngoa ha amino acid e kopaneng. E sebelisoa bakeng sa ho eketsa protheine kamora khaello ea phepo e nepahetseng, khaello ea protheine, mafu a tebileng a mala, ho chesa le lits'ebetso tsa opereishene. Ha ho na litla-morao tse totobetseng tse chefo.
Litlamorao tsa intrabiological
Lipheding tse phelang, proline ha se feela ntho e loketseng ho laola osmoregulation, empa hape e sebetsa e le ntho e sireletsang lera le li-enzyme, hammoho le ntho e tlosang li-radical tse sa lefelloeng, ka hona e sireletsa kholo ea limela tlas'a khatello ea osmotic. Bakeng sa ho bokellana ha ntho e 'ngoe ea bohlokoa ea ho laola osmoregulation ka har'a li-vacuole tse phelang tsa potassium ion, proline e ka boela ea bapala karolo ea taolo ho leka-lekana ha osmotic ea cytoplasmic.
Likopo tsa indasteri
Indastering ea tlhahiso, proline e ka nka karolo ho hlahiseng likarabelo tse sa lekanang 'me ea sebetsa e le sesosa sa hydrogenation, polymerization, le likarabelo tse tsamaisoang ke metsi. Ha e sebelisoa e le sesosa sa likarabelo tse joalo, e na le ts'ebetso e matla le stereospecific e ntle.
Likopo masimong a mang
1. Proline le di-derivative tsa yona hangata di sebediswa e le di-catalyst tse tshwanang dikarabelong tsa tlhaho, mme phokotso ya CBS le karabelo ya ho kobeha ha aldol e bakang proline e le mehlala e hlahelletseng.
2. Nakong ea ho ritela, protheine e ruile ka proline e tlameletsoeng ho polyphenols, e ka hlahisang lerōle (turbidity).
3. Lisebelisoa tse tala bakeng sa ho kopanya li-inhibitor tsa gallstone ester.
4. Dintho tse nang le tatso, tse arabelang le tsoekere ka ho futhumatsa hammoho ho theha dihlopha tsa amino hydrogen, di ka hlahisa dintho tse nang le menko e ikgethang.
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