Ihe ịchọ mma eke eke silk Amino Acids Sericin ntụ ntụ
Nkọwa ngwaahịa
Sericin ntụ ntụ bụ ihe mkpuchi protein colloid n'ime akwa akwa silk. Ọ bụ ụdị ntụ ntụ na-acha odo odo ma na-agbaze na mmiri, nke mmeghachi omume ninhydrin ya dị mma.
Isi ihe ngosi
| Ihe | Ihe ngosi |
| Ndị agwa | Ọcha na-acha ọcha na ntụ ntụ edo edo, ọ dị mfe ụtọ. Soluble na mmiri. |
| Ngụkọta Nitrogen (%) | ≥14 |
| Pasent nke Amino acid dị n'akụkụ ya na mkpokọta Amino Acids (%) | ＞70 |
| Mfu na ihicha (%) | 5.0 |
| Ihe fọdụrụ na mgbanye | 4.0 |
| Uru PH | 5.0-7.0 |
| Ọla dị arọ (Pb)/(mg/kg) | ≤5 |
| Arsenic (mg/kg) | ≤0.5 |
| Ngụkọta ọnụọgụ nje (CFU/g) | ≤3000 |
| Coliform (MPN/100g) | ≤90 |
| Ọrịa nje bacteria (Salmonella, Shigella, Staphylococcus Aureus) | Enweghị ike ịchọpụta |
Ngwa
- Sericin bara ụba na amino asịd nwere otu polar pendant, dị ka serine na asparaginic acid. Ọ bụ ụdị protein nwere ọtụtụ hydrophilic. N'ihi na amino acid nwere hydrophilic polarity na-akpata ihe dị ka 75% na sericin, karịsịa serine nke na-ewe ihe dị ka 30% nke sericin, onye hygroscopicify dị ike ugboro 50 karịa glycerol. Ya mere, sericin, na-arụ ọrụ nke ọma na mmịpụta mmiri, mmiri mmiri, ọrụ iku ume na ọrụ mgbochi mgbe ejiri ya dị ka akụrụngwa nke ịchọ mma na eriri kemịkal dina ihe.
- Ihe na-emepụta ihe nkiri nke silk gluu na ntutu dị mma ma akpụkpọ ahụ na-egbuke egbuke, ebe ntutu na-adị mma ma na-agbanwe. Ọ bụghị naanị na ọ ga-ezere kọntaktị kpọmkwem n'etiti ntutu isi na kemịkalụ nke nwere ike imebi ntutu isi, ọ nwekwara ike ime ka ọ dịkwuo mma na ncha ntutu. Sericin nwere ike ịmepụta membranes na ike ụfọdụ n'elu ntutu isi, nke enwere ike iji dị ka ntutu isi.
- Sericin nwere ezigbo inoxidizability. Ọ nwere ike igbochi ọrụ polyphenol oxidase nke ọma na nri ma bụrụ ezigbo antioxidant eke maka nri abụba, nke nwere uru dị ukwuu n'ịmepụta mgbakwunye iji gbatịa oge na-enye ume ọhụrụ nke nri mmiri ara ehi.
- Iji protein sericin dị ka isi akụrụngwa, wee kpuchie eriri, uwe ime, akwa akwa, akpụkpọ anụ na ngwaahịa akpụkpọ anụ site na onye na-ahụ maka njikọta, na-enweta mmetụta silk dị ka ilekọta anụ ahụ, ịbụ enyi na akpụkpọ ahụ, nje antibacterial, ntụsara ahụ, wdg.
Dee ozi gị ebe a ziga anyị ya
