DMPT, CAS NO.: 4337-33-1.Mafi kyaumai jan hankali na ruwayanzu!

DMPTwanda aka sani da dimethyl-β-propiothetin, yana yadu a cikin ciyawa mai girma da halophytic.DMPT yana da tasiri mai haɓakawa akan haɓakar abinci mai gina jiki na dabbobi masu shayarwa, kaji, da dabbobin ruwa (kifi da shrimp).DMPT shine abu mai ƙarfi mai ƙarfi akan dabbobin ruwa a cikin duk sanannun mahadi masu ɗauke da (CH) da ƙungiyoyin S.

1. Tushen DMPT

Dimethyl sulfide (DMS) wanda Polysipho - nia fastigata ke samarwa ya fito ne dagaDMPT, wanda kuma shine mai ba da gudummawar methyl mai tasiri a cikin algae, kuma babban mai kula da osmotic na algae da mudflat shuka Spartina angelica shi ma DMPT.Abubuwan da ke cikin DMPT sun bambanta tsakanin nau'ikan ciyawa daban-daban, kuma abubuwan da ke cikin nau'in ciyawa iri ɗaya kuma sun bambanta a yanayi daban-daban.DMPT na iya haɓaka ciyarwa da haɓakar kifayen ruwa iri-iri.Sakamakon ciyarwar DMPT ya bambanta da sauran abubuwa kamar L-amino acid ko nucleotides, kuma yana da tasirin ciyarwa da haɓaka haɓaka akan kusan duk dabbobin ruwa.

2.1 Ingantattun Ligands azaman masu karɓar ɗanɗano

Binciken masu karɓa a cikin gabobin sunadarai na kifin da za su iya hulɗa tare da (CH) S-kungiyoyin har yanzu babu kowa.Daga sakamakon gwajin halin da ake ciki, ana iya bincikar cewa tabbas kifi yana da masu karɓan ɗanɗano waɗanda za su iya yin mu'amala tare da ƙananan mahadi masu nauyi waɗanda ke ɗauke da (CH), N -, da (CH2) 2S - ƙungiyoyi.

2.2 A matsayin mai ba da gudummawar methyl

Ƙungiyoyin (CH) da S-kungiyoyi akanDMPTkwayoyin su ne tushen ƙungiyoyin methyl da ake buƙata don ƙwayar sinadirai na dabba.Akwai nau'ikan methyltransferases iri biyu (EC2.1.1.3 da EC2.1.1.5) a cikin hantar dabba da dabbobi (CH) da S.

An gano cewa ƙaddamar da DMPT da kuma yawan fitarwa na DMS a cikin kwayoyin ruwan teku ya karu tare da karuwar salinity a cikin al'adun gargajiya na al'ada (Hymenonas carterae).

DMPTAn wadatar da shi a cikin sel na phytoplankton da yawa, algae, da mollusks na sinadirai irin su clams da murjani, da kuma cikin jikin krill da kifi.Iida et al.(1986) ya tabbatar da cewa abubuwan da ke cikin DMPT da samar da DMS a cikin kifi suna da alaƙa da alaƙa da abun ciki na DMPT a cikin abincin su, yana nuna cewa DMPT shinkafar da ke cikin dabbobi ta fito ne daga bat kuma ta shiga jikin dabbar ɗan adam ta hanyar tsarin abinci a cikin yanayin ruwa. .Algae na iya haɗa DMPT kuma ya tara shi a manyan matakan (3-5 mmol/L) a cikin jiki.DMPT a cikin kifaye da mollusks yana kusa da matakan su a cikin abinci, kuma ƙaddamar da DMPT yana nuna raguwar yanayi a cikin tsari na algae (1 mmol / L), mollusks (0.1 mmol / L), da kifi (0.01 mmol/). L).

Tsarin Jiki naDMPTAiki

A cikin 'yan shekarun nan, bincike ya gano cewa DMPT yana da tasiri mai tasiri akan halayen ciyarwa da girma na nau'in kifin ruwa da ruwa mai tsabta, crustaceans, da shellfish, wanda zai iya inganta maganin damuwa da ƙarfin motsa jiki, da kuma ƙara mahimman enzymes na ƙananan taro na methyl. a cikin abinci.Yin amfani da hanta na teku a matsayin kayan gwaji da nau'o'i daban-daban da ke dauke da (CH) da S - kungiyoyi a matsayin ma'auni, an gano cewa E C.2.1.1.3 da E Ayyukan enzyme ya fi girma lokacin da aka yi amfani da DMPT a matsayin substrate.

3. Tasirin abinci mai gina jiki na DMPT akan dabbobin ruwa

An yi amfani da mahadi marasa nauyi 20 masu ƙunshe da (CH) da ƙungiyoyin S don halayen cizo da gwaje-gwajen electrophysiological akan ruwan teku da kifayen ruwa.An gano cewa DMPT yana da tasiri mai ƙarfi na haɓakawa akan halayen cizon nau'ikan kifaye guda uku, waɗanda suka haɗa da tuna tuna ruwa, carp, da carp crucian black (Carassius auratus cuviera).Hakanan ya inganta halayen ciyarwar ruwan teku na gaskiya ma'auni (Pagrus manyan) da ma'auni biyar (Seriola quinquera diata).

Haɗa DMPT da sauran mahadi masu ɗauke da sulfur a matakin 1.0mmol/L.a cikin nau'o'in abinci na gwaji daban-daban, da kuma maye gurbin ƙungiyar kulawa tare da ruwa mai tsabta don gudanar da gwajin amsawar ciyarwa akan crucian carp.Sakamakon ya nuna cewa a cikin ƙungiyoyi hudu na farko na gwaje-gwaje, ƙungiyar DMPT tana da matsakaicin 126 mafi girma na cizo fiye da ƙungiyar kulawa;A cikin gwaji na rukuni na 5 na biyu, ƙungiyar DMPT ta kasance sau 262.6 fiye da ƙungiyar kulawa.A cikin gwajin kwatancen tare da glutamine, an gano cewa a matakin 1.0mmol/L.