Potaziyamu dicarboxylatendiye njira yoyamba yakukula yopanda maantibayotiki yolimbikitsa zowonjezera zakudya zovomerezedwa ndi European Union.Ndi chisakanizo cha potaziyamu dicarboxylate ndi formic acid kudzera mu intermolecular hydrogen bond.Amagwiritsidwa ntchito kwambiri mu nkhumba ndikukula nkhumba zomaliza.Zotsatira zakuyesa kudyetsa zidawonetsa kuti kuwonjezera potaziyamu dicarboxylate ku zakudya za nkhumba kumatha kukulitsa kulemera kwa nkhumba ndikuchepetsa kuchuluka kwa kufa chifukwa cha matenda a bakiteriya.Kuonjezera potaziyamu dicarboxylate ku chakudya cha ng'ombe kungathandizenso kutulutsa mkaka wa ng'ombe.

Mu phunziro ili, osiyana Mlingo wapotaziyamu dicarboxylateadawonjezedwa ku chakudya cha mapuloteni ochepa a Penaeus vannamei, kuti afufuze njira yolimbikitsira komanso yosagwirizana ndi chilengedwe yosagwirizana ndi maantibayotiki.

Zida ndi njira

1.1 chakudya choyesera

Njira yoyesera yopangira chakudya ndi zotsatira za kusanthula mankhwala zikuwonetsedwa mu Table 1. Pali magulu atatu a chakudya mukuyesera, ndipo zomwe zili mu dicarboxylate ya potaziyamu ndi 0%, 0.8% ndi 1.5% motsatira.

1.2 shrimp yoyesera

Kulemera kwa thupi koyamba kwa Penaeus vannamei kunali (57.0 ± 3.3) mg) C. Kuyesera kunagawidwa m'magulu atatu omwe ali ndi maulendo atatu mu gulu lirilonse.

1.3 malo odyetserako chakudya

Chikhalidwe cha Shrimp chinkachitika m'makola a ukonde ndi 0,8 mx 0.8 mx 0.8 M. makola onse a ukonde adayikidwa mu dziwe la simenti loyenda (1.2 m kutalika, 16.0 mamita m'mimba mwake).

1.4 kuyesa kuyesa kwa potaziyamu mawonekedwe

Magulu atatu a zakudya (0%, 0.8% ndi 1.5% potassium dicarboxylate) adapatsidwa mwachisawawa ku gulu lirilonse atatha kulemera kwa zidutswa 30 / bokosi.Kuchuluka kwa chakudya kunali 15% ya kulemera koyamba kwa thupi kuyambira tsiku la 1 mpaka tsiku la 10, 25% kuyambira tsiku la 11 mpaka tsiku la 30, ndi 35% kuyambira tsiku la 31 mpaka tsiku la 40. Kuyesera kunatenga masiku 40.Kutentha kwa madzi ndi 22.0-26.44 ℃ ndipo mchere ndi 15. Pambuyo pa masiku 40, kulemera kwa thupi kunayesedwa ndikuwerengedwa, ndi kulemera kwake.

2.2 zotsatira

Malinga ndi kuyesa kwa kachulukidwe ka masheya, kachulukidwe kabwino ka masheya anali 30 nsomba / bokosi.Kupulumuka kwa gulu lolamulira kunali (92.2 ± 1.6)%, ndipo kupulumuka kwa gulu la 0.8% potassium diformate linali 100%;Komabe, kuchuluka kwa kupulumuka kwa Penaeus vannamei kudatsika mpaka (86.7 ± 5.4)%, pomwe gawo lowonjezera lidakwera mpaka 1.5%.Coefficient ya chakudya idawonetsanso zomwezo.

3 kukambirana

Mukuyesera uku, kuwonjezera potassium diformate kumatha kupititsa patsogolo phindu la tsiku ndi tsiku komanso kupulumuka kwa Penaeus vannamei.Malingaliro omwewo adaperekedwa powonjezera potaziyamu dicarboxylate ku chakudya cha nkhumba.Zinatsimikiziridwa kuti kuwonjezera kwa 0.8% potassium diformate mu chakudya cha shrimp cha Penaeus vannamei chinali ndi zotsatira zabwino zolimbikitsa kukula.Roth ndi al.(1996) adalimbikitsa kuti pakhale zakudya zabwino zowonjezera zakudya za nkhumba, zomwe zinali 1.8% mu chakudya choyambirira, 1.2% mu chakudya choyamwitsa ndi 0.6% pakukula ndi kutsiriza nkhumba.

Chifukwa chake dicarboxylate potaziyamu imatha kulimbikitsa kukula ndikuti dicarboxylate ya potaziyamu imatha kufikira m'matumbo ofooka amchere mwa kudyetsa m'mimba mwa nyama yonse, ndikuwola kukhala formic acid ndi formate, kuwonetsa mphamvu ya bacteriostatic ndi bactericidal, kupangitsa kuti matumbo anyama awoneke ". wosabala", motero akuwonetsa kukula kolimbikitsa.