scholarly journals Prickly pear cactus as a raw material for lactic acid production by Lactococcus lactis subsp. lactis

2018 ◽  
Author(s):  
Tamine, M., ◽  
Nancib, A., ◽  
Nancib, N., ◽  
Boudrant, J.
Keyword(s):  
Lactic Acid ◽  
Lactococcus Lactis ◽  
Acid Production ◽  
Lactic Acid Production ◽  
Prickly Pear ◽  
Raw Material ◽  
Lactococcus Lactis Subsp ◽  
Prickly Pear Cactus ◽  
Pear Cactus

Engineering Lactococcus lactis for D-Lactic Acid Production from Starch

2019 ◽  
Vol 76 (10) ◽  
pp. 1186-1192 ◽  
Author(s):  
Yuji Aso ◽  
Ayaka Hashimoto ◽  
Hitomi Ohara
Keyword(s):  
Lactic Acid ◽  
Lactococcus Lactis ◽  
Acid Production ◽  
Lactic Acid Production

scholarly journals Lactic acid production from cane molasses

2017 ◽  
Vol 2 (1) ◽  
pp. 13-16 ◽  
Author(s):  
Aladár Vidra ◽  
András József Tóth ◽  
Áron Németh
Keyword(s):  
Heavy Metals ◽  
Lactic Acid ◽  
Acid Production ◽  
Animal Feed ◽  
Sugar Content ◽  
Lactic Acid Production ◽  
Raw Material ◽  
Lactobacillus Species ◽  
Alcohol Production ◽  
Study Results

Abstract Molasses, a by-product of the sugar manufacturing process, generally comprises approximately 50% (w/w) of total sugars, but it is currently used primarily [1] as an animal feed and as a raw material in alcohol production. Currently, the sugar production is more than 160 million tones worldwide. Its byproduct molasses contain heavy metals which have growthinhibitory effect. The main sugar content in molasses is sucrose which often need to be hydrolyzed to glucose and fructose especially for utilization by Lactobacillus species. Lactobacillus species can convert sugar content to lactic acid with great efficiency, which is a valuable chemical. Lactic acid production from sugar molasses using batch fermentations with Lactobacillus casei and Lactobacillus sp. MKT878 were investigated in this study. Results showed, that both examined Lactobacillus species could grow on molasses despite the heavy metals inhibitory effects. The conversion of sugar content to lactic acid was successful with yield between 55-80 g/g.

scholarly journals Expression of PprI from Deinococcus radiodurans Improves Lactic Acid Production and Stress Tolerance in Lactococcus lactis

PLoS ONE ◽  
2015 ◽  
Vol 10 (11) ◽  
pp. e0142918 ◽  
Author(s):  
Xiangrong Dong ◽  
Bing Tian ◽  
Shang Dai ◽  
Tao Li ◽  
Linna Guo ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Stress Tolerance ◽  
Lactococcus Lactis ◽  
Acid Production ◽  
Deinococcus Radiodurans ◽  
Lactic Acid Production

scholarly journals Application of some lactic acid bacteria strains to improve fermentation and aerobic stability of maize silage

2019 ◽  
Vol 7 (1-2) ◽  
pp. 127-132
Author(s):  
Judit Peter Szucs ◽  
Agnes Suli ◽  
Timea Suli Zakar ◽  
Elizabet Berecz ◽  
Mate Pek
Keyword(s):  
Lactic Acid ◽  
Lactic Acid Bacteria ◽  
Lactobacillus Plantarum ◽  
Lactococcus Lactis ◽  
Enterococcus Faecium ◽  
Acid Production ◽  
Untreated Control ◽  
Raw Material ◽  
Aerobic Stability ◽  
Whole Plant

The object of the trial was to study the effect of some lactic acid bacteria strains on the fermentation and aerobic stability of whole plant maize silages.The whole plant maize raw material was 32% DM, in soft cheddar stage of grain ripeness. It was ensiled in 4.2 litre capacity glass micro-size silos in 5 replicates /each treatment and stored on constant air conditioned room temperature (22 oC) during 95 days. The average packing density of raw material was 211 kg DM/m3.The applied treatments: 1. Untreated control maize, 2. Enterococcus faecium 100,000 CFU/g fresh maize (FM), 3. Lactobacillus plantarum 50,000 CFU/g FM + Enterococcus faecium 50,000 CFU/g FM, 4. Lactococcus lactis 100,000 CFU/g FM, 5. Lactobacillus plantarum 50,000 CFU/g FM + Lactococcus lactis 50,000 CFU/g FM, 6. Lactobacillus plantarum 100,000 CFU/g FM.Aerobic stability study:  Applied Honig (1990 system).The main experiences are the following: Applied lactic acid bacteria strains improved the quality of fermentation of maize in general compare to untreated control one.Lactic acid bacteria strains significantly stimulated lactic acid production and decreased propionic and butyric acid production. The origin of ammonia decreased also under influence of lactic acid bacteria strains in unaerobic conditions.Enterococcus faecium and.Lactococcus lactis are not able to protect the maize silages against the aerobic deterioration with the applied dosage.  Lactobacillus plantarum itself produced the most favourable fermentation characteristics and protected the aerobic stability of silage the most effectively (during 4 day) compare to all other treated maize silages.

scholarly journals Production of lactic acid by Enterococcus faecalis on waste glycerol from biodiesel production

2020 ◽  
Vol 26 (2) ◽  
pp. 151-156
Author(s):  
Jovan Ciric ◽  
Natasa Jokovic ◽  
Slavica Ilic ◽  
Sandra Konstantinovic ◽  
Dragisa Savic ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Carbon Source ◽  
Enterococcus Faecalis ◽  
Acid Production ◽  
Lactic Acid Production ◽  
Raw Material ◽  
Biodiesel Production ◽  
Waste Glycerol ◽  
Pure Glycerol ◽  
Microbial Utilization

Waste glycerol from biodiesel production is a valuable raw material that has been used to produce valuable microbial metabolites. In this work, the possibility of microbial utilization of waste glycerol obtained as a by-product in biodiesel production from sunflower and rapeseed oil by the lactic acid bacterium Enterococcus faecalis MK3-10A on a laboratory level was studied. For comparison, pure glycerol and glucose were used as carbon sources. The kinetics of the microbial biomass growth, the carbon source utilization, and the lactic acid production were monitored. The bacterium E. faecalis MK3-10A better grew in the media with glucose or pure glycerol as a carbon source, but the lactic acid production rate was the highest (14.6 mg/(ml/day)) in the medium with waste glycerol from the sunflower oil-based biodiesel production. Therefore, this waste glycerol might be a promising carbon source for lactic acidbacteria cultivation and lactic acid production.

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