3-HPA production experiments were carried out as per the experimental design in 100-ml Erlenmeyer flasks, containing 40 ml of production medium, supplemented with glucose (3.2, 3.6, 4.0), semicarbazide
HCl (1.4, 1.8, 2.2), [K.sub.2]HP[O.sub.4,] (0.4, 0.7, 1.0) and pH was adjusted (6, 7, 8).
protection from in vivo oxidant injury of vascular tissue by allylamine.
MAO-dependent oxidation was defined as sensitive to inhibition by 1 mM pargyline, whereas SSAO-dependent oxidation was abolished by 1 mM semicarbazide
. Assays were started by addition of the labelled substrate and stopped by adding 50 [micro]L of 4 M HCl.
It was also observed that compounds with imino nitrogen substituted with a semicarbazide
or amine ([R.sub.2] = -NHCON[H.sub.2] and N[H.sub.2]) exhibited potent antibacterial activity.
A solution containing 1a (4.3 mmol), semicarbazide
hydrochloride (4.3 mmol) and anhydrous sodium acetate (4.3 mmol), in absolute ethanol (40 mL) was stirred at room temperature for 18 hrs.
Characteristics of the inhibitory action of 1, 1-dimethyl-4-(phenyl sulfonyl) semicarbazide
(DPSS) on ethylene production in carnation (Dianthus ca13,oph.vllus L.) flowers.
may act as a monodentate or bidentate chelating agent.
On July 28, EFSA announced that semicarbazide
(SEM) may have been found in certain foods packed in glass jars and bottles closed with metal lids sealed with plastic gaskets.
FSA chairman Sir John Krebs said: "There is considerable uncertainty about the possible risks from semicarbazide
Summary: This study presents synthesis of new polythioamides prepared from dialdehyde, [4,4'-methylene bis(cinnamaldehyde)] (MBC) with ethylenediamine, 1,3-propylenediamine, semicarbazide
, thiosemicarbazide and meso-stilbenediamine, in the presence of elemental sulfur by Willgeordt Kindler reaction.
Louis, MO, USA) or semicarbazide
(1.0 mM; Sigma-Aldrich, St.
In brief, aqueous solution (20 mL) of semicarbazide
hydrochloride (1.11 g, 1.0 mmol) was added to aqueous solution (20 mL) of 2-acetyl pyridine (1.20 g, 1.0 mmol) in the presence of sodium acetate (1.36 gm, 1.0 mmol).