???? ???? ?????? ????, ???? ?????? ????

???? ??? ???????? ?? ????? ?????, L-lactic acid ??????-D-????? (???? ?-90% ??? ?? L-lactic acid). ????? L-????? ????? ????? ??????, ?????? ????????? ???? ????????? ?? ?????. ????? D-????? ???? ?????? L-?????, ???? ??????? ??????, ?????? ???????, ?????? ????????? ???????.

??? ????? ???

???? ?????

??????

???? L-lactate ???? ?????? ????, ???? ?????? ????, ??? ?? ???? ???? ????? ????? ???? ???. ??????? ?? ??????????? ?? ????, L-sodium lactate ???? ?? ?? ???? ?? ?????? ?? ??? ???????? ????????, ??? ?? ??? ????? ????? ?? ????? ?? ??????? ???????? ????, ???? Listeria monocytogenes, Salmonella ???', ???? ?????? ??????? ?? ??? ???? ?? ????? ???. ???? L-lactate ???? ?????? ?????? ??? ??? ???? ??? ???? ?????, ???????, ??? ??? ?????? ??? ???? ???? ???????? ????????, ????? ???, ????? ????? ?????.

?????2

?????????

??? ???? ????? ?????? ?????? ?? ????? ????? ????????? ??????? ?? ?????? ???????? ?????? ?????? ?? ????? ?????.

??????? ????????

?????? ?? ????? ??? ???????? ?????? ????? D ?????? ??? ?????? ?????? ???? ?????? ?? ?????, ????? ??? ??????, ????? ???? ??????, ??? ?????? ??????? ??? ??????? ??????????. ??????, D-methyl lactate ???? ????? ????? ???? ?? ??? ??????? ??????? ?????, ???? ????, ??????????? ???? ???? ????????? ???????? ??????? ?????, ???? ????? ????. ??? ??? ????? ?? ????? ????? ????? ??? ????????? ?? ???????? ????? ???? ????? ????. ?? ???? ???? ?????? ?? ??? ????? ??? ???? ?? ????? ?????? ??????. ?????, ???? ?????? ?? ?? ????? ??? ???????, ????? ????? ??????? ??????? ?? ??????? ???????? ?????. , ??????.

???? ?????

????? ????? ??? ???? ???? ?????? ????-?????? ?????????? (PLA). ??????? ?????????? ?? ????? PLA ?????? ????? ?????? ?? ??????? D ?-L. ?-racemate D, L-polylactic acid (PDLLA) ??????? ?-D racemic, L-lactic ?? ???? ??????, ????????? ??????? ??????, ??? ?????? ??? ??????? ??????? ????, ?????? ??????? ?? 50%. % ?? ????, ?????? ?????. ????? ?????? ?? ????? L-????????? (PLLA) ?????? D-????????? (PDLA) ??????? ????? ????, ?????????, ????? ????? ?????? ?????? ???? ?????? ????? ???? ?? PDLLA.

???? ????

???? ???? ???? ?????	?
?? ?????:	???? ????
CAS:	72-17-3
MF:	C3H5NaO3
MW:	112.06
EINECS:	200-772-0
???? ???? ???????? ??????	?
????? ????	17 ????? ??????
????? ?????	110 ????? ??????
?????????	1.33
?????? ????	0.7 (????? ?????)
??? ????	17.535 ?"? ????? (@20°C)
???? ??????	1.422-1.425
???????? ?????.	2-8 ????? ??????
?????????	?????? ?? ????? (95%) ??? ???.
??????	????????
?????	???? ????
?????	??? ???
PH	pH (7→35, 25oC): 6.5~7.5
???? PH	6.5 - 8.5
?????? ????	???????
???	148,635
BRN	4332999
?????????:	??????.
???????? ???? ?????? ?? CAS	72-17-3 (????? ???? ?????? ?? CAS)
????? ????? ??????? ?? EPA	???? ???? (72-17-3)

???????	?????
???? ?????	????? ?????? ??? ????, ????? ?????? ?????
Chroma	≤50 ???
?????	≥60% / ≥70%
??????	≤0.05%
?????	≤0.005%
????? ????	???????
??? PH	5.0~9.0
Pb	≤2 ?"?/?"?
?????????	≤0.5 ?"?/?"?
????? ????? ????	≤0.025%