L-asparagine |5794-13-8
Nkọwa ngwaahịa:
L-Asparagine bụ ihe kemịkalụ nwere ọnụọgụ CSA nke 70-47-3 yana usoro kemịkalụ nke C4H8N2O3.Ọ bụ otu n'ime amino acid 20 a na-ahụkarị na ihe ndị dị ndụ.
A na-ekewapụ ya na mmiri mmiri nke lupine na soybean pulitere nwere ọdịnaya L-asparagine dị elu.A na-enweta ya site na amidation nke L-aspartic acid na ammonium hydroxide.
Mmetụta nke L-Asparagine:
Asparagine nwere ike gbasaa bronchi, mbelata ọbara mgbali, ịgbasa arịa ọbara, welie systolic systolic ọnụego obi, mbelata obi ọnụego, mụbaa mmamịrị mmepụta, hazie gastric mucosal mmebi, nwere ụfọdụ antitussive na asthmatic mmetụta, mgbochi ike ọgwụgwụ, na welie ihe mgbochi.
Zụlite microorganisms.
Sọgwụgwọ ego.
Ngosipụta teknụzụ nke L-Asparagine:
Nkọwapụta ihe nyocha
Ọdịdị Kristal ọcha ma ọ bụ ntụ ntụ kristal
Ntugharị pụrụ iche [α]D20 + 34.2°+ 36.5°
Ọnọdụ ngwọta≥98.0%
Chloride (Cl)≤0.020%
Ammonium (NH4)≤0.10%
Sulfate (SO4)≤0.020%
Ígwè (Fe)≤10ppm
Ọla dị arọ (Pb) ≤10ppm
Arsenic (As2O3) ≤1ppm
Amino acid ndị ọzọ Na-emezu ihe achọrọ
Ọnwụ na ihicha 11.5 ~ 12.5%
Ihe fọdụrụ na mgbanye≤0.10%
Nyocha 99.0 ~ 101.0%
pH 4.4 ~ 6.4
