Detail of "10326-41-7"

Reference

A convenient method for determination of D- and L-lactic acid by the use of specific lactate dehydrogenase - equilibrium method

A convenient method for determination of D- and L-lactic acid by the use of specific lactate dehydrogenase - equilibrium method. Kobayashi, Osamu; Hiyama, Keiichiro (Osaka Munic. Tech. Res. Inst., Osaka 536, Japan). Kagaku to Kogyo (Osaka), 60(9), 375-8 (Japanese) 1986. CODEN: KKGOAG.Several reagents with their cas registry numbers 9028-36-8 and 79-33-4 are used here. ISSN: 0368-5918. DOCUMENT TYPE: Journal CA Section: 16 (Fermentation and Bioindustrial Chemistry) Section cross-reference(s): 9, 10 A convenient method for the detn. of each optical isomer of lactic acid was investigated by using lactate dehydrogenases that are specific to each isomer. The detn. was based on the proportionality between the logarithm of the initial concn. of the lactic acid isomer and the logarithm of the increase in the absorbance at 340 nm corresponding to the amt. of NADH at the equil. attained by the action of the specific dehydrogenase. It was possible to det. rapidly the amt. of D- [10326-41-7] or L-lactic acid [79-33-4] in the culture broth of lactic bacteria. .

Evaluation of D(-)- and L(+)-lactic acid contents in wine

Evaluation of D(-)- and L(+)-lactic acid contents in wine. Bandion, Franz; Valenta, Maria (Landwirtsch.-Chem. Bundesversuchsanst., Vienna, Austria). Mitt. Hoeheren Bundeslehr- Versuchsanst. Wein- Obstbau, Klosterneuburg, 27(1), 4-10 (German) 1977. CODEN: MROFAW. DOCUMENT TYPE: Journal CA Section: 16 (Fermentations) Free D(-) [10326-41-7] and L(+)-lactic acid [79-33-4] was detd. separately in impeccably produced and in microbiol.-affected wines by means of an enzymic method suitable for routine checks. All impeccable wines checked contained >1g D(-)-lactic acid/L; L(+)-lactic acid values fluctuating heavily. The suitability of sep. D(-)- and L(+)-lactic acid detn. to prove adulterations by addn. of lactic acid, abnormal activity of microorganisms, and for identity tests in wines was discussed.