Short-chain fatty acids, ho kenyeletsoa butyrate le mefuta ea eona e nkiloeng, e 'nile ea sebelisoa e le litlatsetso tsa lijo ho khutlisa kapa ho ntlafatsa litlamorao tse mpe tse ka bang teng tsa metsoako e tsoang ho limela lijong tsa aquaculture,' me li na le litlamorao tse ngata tse bonts'itsoeng hantle tsa 'mele le bophelo bo botle. liphoofolo tse anyesang le mehlape.Tributyrin, e entsoeng ka butyric acid, e hlahlobiloe e le tlatsetso lijong tsa liphoofolo tse ruuoang, ka liphello tse tšepisang mefuta e mengata.Litlhapi le li-crustaceans, ho kenyelletsoa ha lijo tsa tributyrin ke tsa morao-rao 'me ha hoa ithutoa hanyenyane empa liphello li fana ka maikutlo a hore e ka ba molemo haholo bakeng sa liphoofolo tse phelang metsing.Sena se bohlokoa haholo bakeng sa mefuta e jang nama, eo lijo tsa eona li hlokang ho ntlafatsoa molemong oa phokotso ea lijo-thollo tsa tlhapi ho matlafatsa tikoloho le moruo oa lekala.Mosebetsi oa hona joale o khetholla tributyrin mme e fana ka liphello tsa mantlha tsa tšebeliso ea eona e le mohloli oa lijo oa butyric acid lijong tsa mefuta ea metsing.Maikutlo a mantlha a fanoe ho mefuta ea liphoofolo tsa metsing le hore na tributyrin, joalo ka tlatsetso ea phepelo, e ka kenya letsoho ho ntlafatseng li-aquafeed tse thehiloeng limela.
2. Glyceryl butyrate
Butyric acid e na le monko o sa thabiseng 'me e bonolo ho fetoha,' me ho thata ho fihla karolong e ka morao ea mala ho phetha karolo e itseng ka mor'a ho jeoa ke liphoofolo, kahoo e ke ke ea sebelisoa ka ho toba tlhahisong.Glyceryl butyrate ke sehlahisoa se mafura sa butyric acid le glycerin.Butyric acid le glycerin li tlanngoe ke litlamo tsa covalent.Li tsitsitse ho tloha pH1-7 ho isa ho 230 ℃.Ka mor'a ho jeoa ke liphoofolo, glyceryl butyrate ha e bole ka mpeng, empa e bola ka asiti ea butyric le glycerin ka maleng tlas'a ketso ea pancreatic lipase, butyric acid butyric acid.Glyceryl butyrate, joalo ka tlatsetso ea phepelo, e bonolo ho e sebelisa, e bolokehile, ha e na chefo, ebile e na le tatso e khethehileng.Ha e rarolle feela bothata boo asiti ea butyric e thata ho e eketsa e le mokelikeli le monko o mobe, empa hape e ntlafatsa bothata ba hore butyric acid e thata ho fihla ka mpeng ea mala ha e sebelisoa ka kotloloho.E nkoa e le e 'ngoe ea lihlahisoa tse ntle ka ho fetisisa tsa butyric acid le lihlahisoa tsa anti histamine.
2.1 Glyceryl Tributyrate le Glyceryl Monobutyrate
Tributyrine na le limolek'hule tse 3 tsa butyric acid le molek'hule e le 'ngoe ea glycerol.Tributyrin e ntša butyric acid butyric ka maleng butle-butle ka pancreatic lipase, eo karolo ea eona e lokolloang ka pele ho mala, 'me karolo ea eona e ka fihla ka morao ho mala ho phetha karolo;Monobutyric acid glyceride e thehoa ke molek'hule e le 'ngoe ea butyric acid e tlamang sebakeng sa pele sa glycerol (sebaka sa Sn-1), se nang le thepa ea hydrophilic le lipophilic.E ka fihla pheletsong e ka morao ea mala ka lero la tšilo ea lijo.Asiti e 'ngoe ea butyric e lokolloa ke pancreatic lipase,' me e 'ngoe e kenngoa ka ho toba ke lisele tsa mala a epithelial.E senyehile ka butyric acid le glycerol liseleng tsa mala a mala, ho khothaletsa kholo ea intestinal villi.Glyceryl butyrate e na le polarity ea molek'hule le nonpolarity, e ka kenang ka nepo lerako la hydrophilic kapa lipophilic cell lebota la libaktheria tse kholo tsa pathogenic, tsa hlasela lisele tsa baktheria, tsa senya sebopeho sa sele, 'me tsa bolaea libaktheria tse kotsi.Monobutyric acid glyceride e na le phello e matla ea antibacterial ho libaktheria tsa gram-positive le libaktheria tsa gram-negative, 'me e na le phello e ntle ea antibacterial.
2.2 Ho sebelisoa ha glyceryl butyrate lihlahisoa tsa metsing
Glyceryl butyrate, joalo ka derivative ea butyric acid, e ka lokolla butyric acid ka nepo tlasa ts'ebetso ea mala pancreatic lipase, 'me ha e na monko, e tsitsitse, e bolokehile ebile ha e na masala.Ke e 'ngoe ea mekhoa e metle ka ho fetisisa ea lithibela-mafu 'me e sebelisoa haholo ho aquaculture.Zhai Qiuling et al.e bontšitse hore ha 100-150 mg / kg tributylglycerol ester e kenngoa lijong, sekhahla sa boima ba 'mele, sekhahla se khethehileng sa khōlo, mesebetsi ea li-enzyme tse sa tšoaneng tsa tšilo ea lijo le bophahamo ba intestinal villi pele le ka mor'a ho eketsoa ha 100 mg / kg tributylglycerol ester e ka khona. e eketseha haholo;Tang Qifeng le bafuputsi ba bang ba fumane hore ho eketsa 1.5g / kg tributylglycerol ester ho fepa ho ka ntlafatsa haholo ts'ebetso ea kgolo ea Penaeus vannamei, le ho fokotsa haholo palo ea pathogenic vibrio ka maleng;Jiang Yingying et al.o fumane hore ho eketsa 1g / kg ea tributyl glyceride ho fepa ho ka eketsa haholo tekanyo ea boima ba 'mele ea Allogynogenetic crucian carp, ho fokotsa coefficient ea lijo, le ho eketsa mosebetsi oa superoxide dismutase (SOD) ka hepatopancreas;Liphuputso tse ling li bontšitse hore tlatsetso ea 1000 mg / kgtributyl glycerideho ja ho ka eketsa haholo ts'ebetso ea intestinal superoxide dismutase (SOD) ea Jian carp.
Nako ea poso: Jan-05-2023