Impuphu ye-Proline
I-Proline (efushanisiwe njenge-Pro noma i-P), ngefomula yamakhemikhali i-C5H9NO2 kanye nesisindo sama-molecule esingu-115.13, iyi-amino acid ejikelezayo. Ama-α- Ama-amino acid, angathathi hlangothi, anephuzu le-isoelectric elingu-6.30, anokuncibilika okukhulu emanzini kunanoma iyiphi enye i-amino acid, futhi angancibilika cishe ngo-162g ku-100g wamanzi ku-25 ℃. Kulula ukuwancibilikisa kodwa akulula ukuwakha, anokunambitheka okumnandi. Ukushisa okuhlangene nesisombululo se-ninhydrin kukhiqiza ama-compounds aphuzi. Uma sekungene ku-peptide chain, i-hydroxylation ingenzeka, okuholela ekwakhekeni kwe-4-hydroxyproline, okuyingxenye ebalulekile ye-collagen yezilwane. I-Hydroxyproline ikhona futhi kumaprotheni ahlukahlukene ezitshalo, ikakhulukazi ahlobene nokwakheka kwezindonga zamaseli. Izitshalo zivame ukuzwa ukuqongelela okukhulu kwe-proline ngaphansi kwezimo ezahlukahlukene ezimbi njengesomiso, izinga lokushisa eliphezulu, izinga lokushisa eliphansi, kanye nosawoti. Isetshenziswa kabanzi emikhakheni yezokwelapha, yezinto eziphilayo, yezimboni, nakweminye imikhakha.
Kunezinhlobo ezintathu ze-proline:I-DL proline, i-L-proline, kanye ne-D-proline. Okuvame ukubizwa ngokuthi i-proline yi-L-proline, i-amino acid eyenzeka ngokwemvelo. Ezingeni lokushisa legumbi, lo mkhiqizo uyikristalu eliyi-columnar. Ubola ngokushesha uma ushiswa ufike ku-215-220 ℃. Uncibilika emanzini ashisayo kanye ne-ethanol. Umnandi kancane futhi u-hygroscopic. Ukwahlukaniswa kwezakhi zofuzo kusisombululo se-alkaline. [α] D25-86.5 ° (amanzi), -60.4 ° (5N hydrochloric acid). Kusatshalaliswa kumaprotheni ahlukahlukene. I-amino acid enokuqukethwe okulingene ku-plankton yasolwandle; Ikhona futhi emanzini olwandle, kuma-particulate matter, kanye nasezindaweni zasolwandle.
I-Proline iyi-amino acid engabalulekile emzimbeni womuntu.
Umsebenzi kanye nenhloso
Isicelo embonini yezemithi
Imithi ye-amino acid. Enye yezinto zokusetshenziswa zokufaka i-amino acid ehlanganisiwe. Isetshenziselwa ukwengeza amaprotheni ngemva kokungondleki kahle, ukuntuleka kwamaprotheni, izifo ezinzima zesisu, ukusha, kanye nezinqubo zokuhlinzwa. Akukho miphumela emibi esobala enobuthi.
Imiphumela ye-intrabiological
Ezintweni eziphilayo, i-proline ayiyona nje into efanelekile yokulawula i-osmoregulation, kodwa futhi isebenza njengento evikelayo yama-membrane nama-enzyme, kanye nomhluzi wama-free radical, ngaleyo ndlela ivikele ukukhula kwezitshalo ngaphansi kokucindezeleka kwe-osmotic. Ukuze kuqongelelwe enye into ebalulekile yokulawula i-osmoregulation kuma-vacuoles ezintweni eziphilayo ze-potassium ion, i-proline ingadlala indima yokulawula ebhalansini ye-cytoplasmic osmotic.
Izicelo zezimboni
Embonini yokwenziwa kwezinto, i-proline ingabamba iqhaza ekubangeleni ukusabela okungalingani futhi isebenze njengesisusa se-hydrogenation, i-polymerization, kanye nokusabela okubangelwa amanzi. Uma isetshenziswa njengesisusa sezimpendulo ezinjalo, inomsebenzi oqinile kanye nokucaciswa okuhle.
Izinhlelo zokusebenza kwezinye izinkambu
1. I-Proline kanye nezinto eziphuma kuyo ngokuvamile zisetshenziswa njengezinto ezibangela ukungalingani kwezakhi zofuzo ekusabeleni kwezinto eziphilayo, kanye nokuncipha kwe-CBS kanye nokusabela kwe-aldol condensation kwe-proline okuyizibonelo ezivelele.
2. Ngesikhathi sokupheka, amaprotheni acebile nge-proline eboshelwe kuma-polyphenols, angadala umswakama (ukusha).
3. Izinto zokusetshenziswa zokwenziwa kwezithibi ze-gallstone ester.
4. Izinto zokunambitha, ezisabela noshukela ngokushisa ndawonye ukuze zakhe amaqembu ama-amino hydrogen, zingakhiqiza izinto ezinamakha akhethekile.
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