搜索结果: 1-10 共查到“工学 organic acids”相关记录10条 . 查询时间(0.27 秒)
Influence of cultivation conditions on the growth of Lactobacillus acidophilus, Bifidobacterium sp., and Streptococcus thermophiles, and on the production of organic acids in fermented milks
lactic acid bacteria ABT fermented milk l(+)-lactic acid d(–)-lactic acid
font style='font-size:12px;'>
2014/10/11
The parameters influencing the formation of organic acids and the ratio between the optical isomers of lactic acid were evaluated. Five different factors were tested, namely the form of starter, inocu...
Determination of organic acids in olive fruit by HPLC
organic acids olive fruit HPLC
font style='font-size:12px;'>
2014/2/27
Organic acids (oxalic, citric, malic, and succinic) contents of Domat, Memecik and Uslu varieties of olives grown in Turkey were investigated using HPLC method. Organic acids were extracted from olive...
Profiling of primary metabolites in grapes of interspecific grapevine varieties: sugars and organic acids
grapevine interspecific variety sugars organic acid profiling
font style='font-size:12px;'>
2014/2/25
The quality of grapes is determined above all by the contents of the primary and secondary metabolites. The primary metabolites involve sugars and organic acids, and just these compounds are dealt wit...
Distributions and diurnal changes of low molecular weight organic acids and α-dicarbonyls in suburban aerosols collected at Mangshan, North China
dicarboxylic acids ketoacids α-dicarbonyls anthropogenic and biogenic emissions secondary organic aerosols
font style='font-size:12px;'>
2017/8/9
Aerosol samples were collected at Mangshan in the north of Beijing, China in autumn 2007 and analyzed for α, ω-dicarboxylic acids (C2-C12), ketoacids (ωC2- ωC4, ωC9, pyruvic acid) and α-dicarbonyls (g...
Determination of Reductones, Furans and Organic Acids in Aqueous Model Matrices Using Solid-Phase Extraction and Gas Chromatography/Mass Spectrometry
reductone furan organic acid
font style='font-size:12px;'>
2009/5/31
A method using solid-phase extraction (SPE) and GC-MS was developed for the determination of a series of polar and unstable flavor compounds: reductones, furans and volatile organic acids, in aqueous ...
Determination of Organic Acids in White Wines by RP-HPLC
organic acids RP-HPLC analysis white wine
font style='font-size:12px;'>
2009/3/20
The chromatographic conditions for the optimal separation of tartaric, malic and citric acids on a LiChrosorb RP-18 column (10 microm, 25 cm x 4.0 mm i.d.) at 210 nm were determined. The optimized RP-...
Effectiveness of Commercial Organic Acids` Mixture (AcetolacTM) to Extend the Shelf Life and Enhance the Microbiological Quality of Merguez Sausages
AcetolacTM coliforms fecal streptococci Staphylococcus aureus sulfite reducing clostridia merguez shelf life
font style='font-size:12px;'>
2008/10/31
The effect of the addition of organic acids on the shelf life and on the hygienic quality of Merguez sausages was studied. A commercial organic acid; AcetolacTM consisting of a mixture of sodium lacta...
Organic Acids and Volatile Flavor Components Evolved During Refrigerated Storage of Kefir
kefir organic acids volatile flavor components refrigerated storage
font style='font-size:12px;'>
2008/4/1
Kefir samples were prepared and transferred to sterile jars for storage at 4°C. After 0, 7, 14, and 21 d of storage, the pH, organic acid, and volatile flavor component content were determined to moni...
Determination of Organic Acids During the Fermentation and Cold Storage of Yogurt
high performance liquid chromatography organic acids fermentation yogurt
font style='font-size:12px;'>
2008/3/22
The objective of the present study was the separation and quantification of orotic, citric, pyruvic, lactic, uric, formic, acetic, propionic, butyric, and hippuric acids in a single isocratic analysis...
Effectiveness of Commercial Organic Acids’ Mixture (AcetolacTM) to Extend the Shelf Life and Enhance the Microbiological Quality of Merguez Sausages
Organic Acids’ Mixture Merguez Sausages
font style='font-size:12px;'>
2016/5/31
The effect of the addition of organic acids on the shelf life and on the hygienic quality of Merguez sausages was studied. A commercial organic acid; AcetolacTM consisting of a mixture of sodium lacta...