Potassium dicarboxylatendiyo yekutanga mushonga wekuwedzera chikafu usingashandisi mishonga inorwisa mabhakitiriya wakatenderwa neEuropean Union. Musanganiswa wepotassium dicarboxylate neformic acid kuburikidza ne intermolecular hydrogen bond. Unoshandiswa zvakanyanya munguruve diki nekukura nguruve dzakapedza kudya. Zvakabuda mukuyedza kudya zvakaratidza kuti kuwedzera potassium dicarboxylate mukudya kwenguruve kunogona kuwedzera huremu hwenguruve zvakanyanya uye kuderedza huwandu hwerufu rwunokonzerwa nehutachiona hwebhakitiriya. Kuwedzera potassium dicarboxylate mukudya kwemombe kunogonawo kuwedzera goho remukaka wemombe.

Muchidzidzo ichi, madosi akasiyana epotassium dicarboxylatezvakawedzerwa muchikafu chePenaeus vannamei chine mapuroteni mashoma, kuitira kutsvaga mushonga unokurudzira kukura kwemhuka usingaurayiwi nemishonga unoshanda zvakanaka uye usingakuvadzi nharaunda.

Zvishandiso uye nzira

1.1 Kudyidzana kwekuyedza

Fomura yekuyedza yekudyisa chikafu uye mhedzisiro yekuongororwa kwemakemikari zvinoratidzwa muTafura 1. Kune mapoka matatu ekudya mukuyedza uku, uye zviri mukati me potassium dicarboxylate zvinoti 0%, 0.8% uye 1.5% zvichiteerana.

1.2 shrimp yekuyedza

Huremu hwekutanga hwemuviri wePenaeus vannamei hwaive (57.0 ± 3.3) mg) C. Kuedza uku kwakakamurwa kuita mapoka matatu nemapoka matatu akakopwa muboka rega rega.

1.3 Nzvimbo dzekudyisa

Kudyara shrimp kwakaitwa mumakeji emumbure nechiyero che 0.8 mx 0.8 mx 0.8 M. makeji ese emumbure akaiswa mudziva resimende rakatenderera (1.2 m kureba, 16.0 m mudhayamita).

1.4 Kuedza kudyisa potassium formate

Mapoka matatu ekudya (0%, 0.8% uye 1.5% potassium dicarboxylate) akapihwa boka rega rega zvisina tsarukano mushure mekurema zvidimbu makumi matatu pabhokisi. Huwandu hwekudya hwaive 15% yehuremu hwekutanga hwemuviri kubva pazuva rekutanga kusvika pazuva regumi, 25% kubva pazuva regumi nerimwe kusvika pazuva regumi nerimwe, uye 35% kubva pazuva regumi nerimwe kusvika pazuva regumi nerimwe. Kuedza uku kwakagara kwemazuva makumi mana. Tembiricha yemvura iri 22.0-26.44 ℃ uye munyu uri 15. Mushure memazuva makumi mana, huremu hwemuviri hwakayerwa uye hwakaverengwa, uye huremu hwacho hwakayerwa.

2.2 mhedzisiro

Zvichienderana nekuyedza kwekuwanda kwezvipfuyo, huwandu hwakanyanya hwezvipfuyo hwaive hove makumi matatu pabhokisi. Huwandu hwekupona hweboka rekutonga hwaive (92.2 ± 1.6)%, uye huwandu hwekupona hweboka re0.8% potassium diformate hwaive 100%; Zvisinei, huwandu hwekupona hwePenaeus vannamei hwakaderera kusvika (86.7 ± 5.4)%, apo huwandu hwekuwedzera hwakawedzera kusvika 1.5%. Chiyero chekudyisa chakaratidzawo maitiro akafanana.

Kukurukurirana kwe3

Mukuyedza uku, kuwedzera potassium diformate kunogona kuvandudza kuwedzera kwezuva nezuva uye mwero wekurarama kwePenaeus vannamei. Maonero akafanana akaiswa pamberi pakuwedzera potassium dicarboxylate muchikafu chenguruve. Zvakasimbiswa kuti kuwedzerwa kwe0.8% potassium diformate muchikafu cheshrimp chePenaeus vannamei kwaive nemhedzisiro iri nani yekusimudzira kukura. Roth et al. (1996) vakakurudzira kuwedzerwa kwakanakisa kwechikafu muchikafu chenguruve, icho chaive 1.8% muchikafu chekutanga, 1.2% muchikafu chekurega kurumwa uye 0.6% muchikafu chekurera nekupedzisa nguruve.

Chikonzero chinoita kuti potassium dicarboxylate ikwanise kukurudzira kukura ndechekuti potassium dicarboxylate inogona kusvika munzvimbo yemudumbu isina alkaline yakawanda kuburikidza nekudya dumbu remhuka zvakakwana, yoora yoga kuita formic acid yoita formate, zvichiratidza simba rakasimba remabhakitiriya uye rekuuraya utachiona, zvichiita kuti ura hwemhuka huite se "husina utachiona", zvichiratidza simba rekusimudzira kukura.