Paura Proline
Proline (whakarāpopototanga ko Pro, ko P rānei), me te tātai matū C5H9NO2 me te taumaha ngota o te 115.13, he waikawa amino iti hurihuri. Ko ngā waikawa amino α-, he kūpapa, me te pūwāhi isoelectric o te 6.30, he nui ake te wairewa i roto i te wai i tētahi atu waikawa amino, ā, ka taea te wairewa tata ki te 162g i roto i te 100g o te wai i te 25 ℃. He ngāwari ki te whakangawari engari kāore e ngāwari ki te tioata, he reka. Mā te whakamahana tahi me te otinga ninhydrin ka puta he pūhui kōwhai. Kia uru atu ki te mekameka peptide, ka puta te hydroxylation, ka hua ake te hanganga o te 4-hydroxyproline, he wāhanga nui o te collagen kararehe. Kei roto hoki te Hydroxyproline i roto i ngā momo pūmua tipu, inā koa e pā ana ki te hanganga o ngā pakitara pūtau. He maha ngā wā ka nui te kohikohinga o te proline i roto i ngā tipu i raro i ngā āhuatanga kino pēnei i te tauraki, te pāmahana teitei, te pāmahana iti, me te tote. He whānui te whakamahinga i roto i ngā mara haumanu, ngā rauemi koiora, ngā ahumahi, me ētahi atu mara.
E toru ngā momo o te proline:DL proline, L-proline, me te D-proline. Ko te proline e mōhiotia whānuitia ana ko te L-proline, he waikawa amino tūturu. I te pāmahana rūma, he tioata poutū tēnei hua. Ka tere te pirau ina werahia ki te 215-220 ℃. Ka wairewa ki te wai wera me te etanoru. He reka paku, he waikura hoki. Ka racemization ki te otinga kawakore. [ α] D25-86.5 ° (wai), -60.4 ° (5N waikawa hauwaiora). Ka tohatohahia ki roto i ngā momo pūmua. He waikawa amino he iti te ihirangi i roto i te plankton moana; Kei roto hoki i te wai moana, i ngā matūriki, me ngā parahanga moana.
Ko te Proline he waikawa amino kore-tino nui i roto i te tinana tangata.
Te mahi me te kaupapa
Te tono i roto i te umanga rongoā
Ngā rongoā waikawa amino. Ko tētahi o ngā rauemi mata mō te werohanga waikawa amino matū. Whakamahia hei tāpiringa pūmua i muri i te kore kai pai, te korenga o te pūmua, ngā mate puku kino, ngā wera, me ngā tikanga pokanga. Kāore he pānga taha paitini e kitea ana.
Ngā pānga ā-roto-koiora
I roto i ngā rauropi ora, ehara i te mea he matū whakahaere-osmo pai anake te proline, engari he matū tiaki hoki mō ngā kiriuhi me ngā whākōkī, me te tango i ngā rauropi kore utu, ā, mā reira ka tiakina te tipu o ngā tipu i raro i te ahotea osmotic. Hei kohikohi i tētahi atu matū whakahaere-osmo nui i roto i ngā vacuole i roto i ngā rauropi ora he ion pāhare pāporo, ka taea hoki e te proline te whai wāhi ki te whakahaere i te taurite osmotic cytoplasmic.
Ngā tono ahumahi
I roto i te umanga hanga, ka taea e te proline te whai wāhi ki te whakaoho i ngā tauhohenga kore taurite, ā, ka mahi hei whakakorikori mō te hauwai, te whakapūhui, me ngā tauhohenga wai. Ina whakamahia hei whakakorikori mō ēnei tauhohenga, he kaha te mahi, ā, he pai te stereospecicity.
Ngā tono i roto i ētahi atu mara
1. Ko te proline me ōna hua ka whakamahia hei whakakorikori ōrite i roto i ngā tauhohenga rauropi, ko te whakahekenga o te CBS me te tauhohenga whakapūngao aldol whakakorikori o te proline hei tauira nui.
2. I te wā e hangaia ana te pia, he nui te proline i roto i te pūmua e herea ana ki ngā polyphenols, ka puta ai te kohu (turbidity).
3. Ngā rauemi mata mō te hanga i ngā aukati ester kohatu.
4. Ka taea e ngā mea kakara, e tauhohe ana ki te huka mā te whakamahana tahi hei hanga i ngā rōpū hauwai amino, te whakaputa i ngā matū me ngā kakara motuhake.
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