Production of lactic acid from date juice extract with free cells of single and mixed cultures of Lactobacillus casei and Lactococcus lactis

Nancib, Aïcha; Nancib, Nabil; Boudrant, Joseph

doi:10.1007/s11274-009-0029-z

Cited by 51 publications

(29 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This showed that, the presence of glucose exerted a partial inhibition on fructose utilization. Nancib et al (2009) observed a similar trend in LA production from date juice extract by L. casei and Lactococcus lactis. Both bacteria utilized glucose more rapidly than fructose in the early stage of the cultures.…”

Section: Lactic Acid Production From Glucose and Fructosesupporting

confidence: 66%

“…L. casei was reported to utilize date juice containing glucose (50-55 g/L) and fructose (40 g/L), and produced over 53 g/L LA in 19 h (Nancib et al, 2009). It also could produce LA at a rate of 2.2 g/(Lh) from reconstituted whey powder with a lactose concentration of 103 g/L (Buyukkileci and Harsa, 2004).…”

Section: Lactic Acid Production From White Grape Pomace Extractmentioning

confidence: 99%

See 1 more Smart Citation

Utilization of White Grape Pomace for Lactic Acid Production

Bayrak¹,

Büyükkileci²

2018

GIDA

View full text Add to dashboard Cite

White grape pomace (WGP) contains high amount of soluble carbohydrates (glucose and fructose), which can potentially be used as a carbon source in the fermentative production of bio-based chemicals. In this study, this waste was valorized by lactic acid (LA) production by Lactobacillus casei. Adding WGP directly into the culture medium at a solid loading of 10% yielded 33.3 g/L LA. Water extract of WGP allowed comparably faster LA production. Increasing the solid loading in the extraction step increased the LA titers, however, it had a significant negative effect on the production rate. In all cases, fructose was consumed at a slower rate as compared to glucose. Yeast extract powder was required at a concentration of 10 g/L to support LA production. Alternatively, baker's yeast was autolyzed and the lysate was successfully used as the nitrogen source. The findings show that WGP can be regarded as a sustainable plant-based feedstock for LA production by L. casei, however, the probable negative effect of other pomace constituents should be avoided. Keywords: grape pomace, lactic acid, autolysis, food waste valorization. BEYAZ ÜZÜM POSASININ LAKTİK ASİT ÜRETİMİNDE KULLANILMASI ÖZBeyaz üzüm posası (BÜP), biyo-temelli kimyasalların fermantasyonla üretimi için kullanılma potansiyeline sahip yüksek miktarda çözünmüş karbonhidrat (glikoz ve fruktoz) içerir. Bu çalışmada, bu atık Lactobacillus casei ile laktik asit (LA) üretilerek değerlendirilmiştir. BÜP kültür ortamına %10 oranında doğrudan eklendiğinde 33.3 g/L LA elde edilmiştir. BÜP'ün sulu özütü daha hızlı bir LA üretimi sağlamıştır. Özüt çıkarma aşamasında posa miktarının artırılması sayesinde daha fazla LA elde edilmiştir ancak, bu işlem üretim verimini kayda değer biçimde düşürmüştür. Tüm koşullarda fruktoz glikoza göre daha yavaş kullanılmıştır. LA üretimi için 10 g/L maya özütü tozu gerekmiştir. Buna alternatif olarak, ekmek mayası otolize uğratılmış ve bu lizat azot kaynağı olarak başarıyla kullanılmıştır. Bulgulara göre, BÜP'ün L. casei ile LA üretimi için sürdürülebilir bir kaynak olduğu düşünülebilir, ancak, posada bulunan diğer maddelerin olası olumsuz etkileri önlenmelidir. Anahtar kelimeler: üzüm posası, laktik asit, otoliz, gıda atıklarının değerlendirmesi.

show abstract

Section: Lactic Acid Production From Glucose and Fructosesupporting

confidence: 66%

Section: Lactic Acid Production From White Grape Pomace Extractmentioning

confidence: 99%

Utilization of White Grape Pomace for Lactic Acid Production

Bayrak¹,

Büyükkileci²

2018

GIDA

View full text Add to dashboard Cite

show abstract

“…The lactic-acid production value obtained is lower than most values that have been reported in the literature. For example, Shi et al 40 used immobilized Lactococcus lactis to obtain 142g/L lactic acid from Artichoke; Nancib et al 41 reported 60.3 g/L lactic-acid concentration from date juice using a mixed culture of Lactobacillus casei and Lactococcus lactis. Other research results that have been reported include lactic-acid production using different strains like L. pentosus with lactic acid production of 9g/L with a yield of 0.90g/g from wheat-straw hemicellulose hydrolysates and 10g/L with a yield of 0.61g/g using L. brevis; 42 Bacillus coagulans MXL-9 with lactic acid production of 33g/L and a yield of 0.73g/g from wood hemicellulose extracts (16); Bustos et al 43 reported 46.0g/L lactic-acid concentration and yield of 0.78g/g from vine-trimming hydrolysate using a L. pentosus strain; Buendo et al 18 reported 43.66g/L lactic-acid concentration with a yield of 0.72g/g from wood extract hydrolysate.…”

Section: Lactic Acid Production From Sawdust Hydrolysatementioning

confidence: 99%

Statistical Optimization of Dilute Acid Hydrolysis of Wood Sawdust for Lactic Acid Production

Nancib¹

2017

JABB

Self Cite

View full text Add to dashboard Cite

Abbreviations: SW, sawdust wood; CCD, central composite design; LAB, lactic acid bacteria; L-LDH, L-lactate dehydrogenase; RSM, response surface methodology; 3D, 3-dimensional; MSW, meranti wood sawdust; OFI, Opuntia ficus indica IntroductionLactic acid has a wide application in food, pharmaceutical, leather, cosmetic applications, textile, and polylactic acid industries.1-3 Lactic acid can be produced either by fermentation or by chemical synthesis. But the biotechnological fermentation process has received significant importance due to environmental concerns, use of renewable resources instead of petrochemicals, low production temperature, low energy requirements, and high purity. Mammalian cells only contain L-lactate dehydrogenase (L-LDH), so L(+) form of lactic acid is used for food and drug industry, because the human body is only adapted to assimilate this form by the action of the enzyme L-LDH whereas D-lactic acid is often harmful to human metabolism, his accumulation in the blood can cause acidosis. 4,5 Lactic acid can be synthesized by microbial fermentation of the various raw materials such as molasses, 6 whey, 7 and date juice. 8 As in any industrial organic acid or solvent fermentation, the main economic factors are the choice and cost of the substrate and the cost of recovery in downstream processing. Feedstock that would reduce the processing cost would greatly enhance the competitiveness of fermentative lactate production. Many efforts have been made to develop biotechnologies for lactate generation from such a cheap, abundant and renewable substrate. Recently, fermentation of non-food biomass has also gained considerable attention due to the forthcoming scarcity of fossil fuels and the increased lack of food and feed supplies over the world. Biomass of lignocelluloses is a low-cost and extensively available renewable carbon source as an alternative to the conventional feed stocks.9-11 Lignocellulosic biomass is primarily composed of cellulose, hemicellulose, and lignin. 12,13 A cellulosic feedstock (such as wood) has been widely used to replace refined sugar, and been utilized for the production of ethanol, 14,15 single cell protein, 16 xylitol 17 and organic acid such as lactic acid. 18The conversion of wood to lactic acid is more challenging due to the complex structure of the lingocellulose. The three polymers of Lignocellulosic biomass are arranged to form a highly recalcitrant structure, 19 hindering the availability of carbohydrates for fermentation processes, representing a high barrier for the bioconversion of lignocellulosic material. In fact it is necessary to pretreat the wood to alter its structural and chemical composition to facilitate hydrolysis of carbohydrates to fermentable sugars. 20,21 Pretreatment uses various techniques, including ammonia fiber explosion, chemical treatment, biological treatment, and steam explosion, to alter the structure of cellulosic biomass to make cellulose more accessible. Conversion of wood lignocellulosic biomass to glucose and other monomeric suga...

show abstract

“…The fermentative process has a high selectivity towards lactic acid, but the concentration of lactic acid at the end of the fermentation can be considered low (approximately 50 g/L). Only a few strains of lactic bacteria provides high concentrations of lactic acid (approximately 100 g/L) (Budhavaram and Fan, 2009;Gullon et al, 2008;Marques et al, 2008;Nancib et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Production of Lactic Acid From Glycerol by Applying an Alkaline Hydrothermal Process Using Homogeneous Catalysts and High Glycerol Concentration

Rodrigues

Maia

Fernandes

2015

Braz. J. Chem. Eng.

View full text Add to dashboard Cite

-The production of lactic acid from glycerol by means of the alkaline hydrothermal process was evaluated using high concentrations of glycerol. The operating conditions that influence the hydrothermal process were studied. Temperature (250 -280 °C), catalyst to glycerol molar ratio (0.05 to 0.15), and water to glycerol volumetric ratio (0.8 to 1.5) were evaluated, as well as the use of NaOH and KOH as catalysts. A concentration of lactic acid of 122 g/L was obtained at 260 °C, 0.04 NaOH to glycerol molar ratio, 1.0 water to glycerol volumetric ratio and 3 h of reaction using crude glycerol as raw material. The results showed higher lactic acid concentration and productivity than the fermentative process and the hydrothermal process carried out using low initial glycerol concentration.

show abstract

Production of lactic acid from date juice extract with free cells of single and mixed cultures of Lactobacillus casei and Lactococcus lactis

Cited by 51 publications

References 19 publications

Utilization of White Grape Pomace for Lactic Acid Production

Utilization of White Grape Pomace for Lactic Acid Production

Statistical Optimization of Dilute Acid Hydrolysis of Wood Sawdust for Lactic Acid Production

Production of Lactic Acid From Glycerol by Applying an Alkaline Hydrothermal Process Using Homogeneous Catalysts and High Glycerol Concentration

Contact Info

Product

Resources

About