Results 1 to 10 of about 172,260 (109)

Engineering Flocculation for Improved Tolerance and Production of d-Lactic Acid in Pichia pastoris [PDF]

open access: yesJournal of Fungi, 2023
d-lactic acid, a chiral organic acid, can enhance the thermal stability of polylactic acid plastics. Microorganisms such as the yeast Pichia pastoris, which lack the natural ability to produce or accumulate high amounts of d-lactic acid, have been ...
Kittapong Sae-Tang   +7 more
doaj   +2 more sources

Application of whole-cell biosensors for analysis and improvement of L- and D-lactic acid fermentation by Lactobacillus spp. from the waste of glucose syrup production [PDF]

open access: yesMicrobial Cell Factories, 2023
Background Lactic acid is one of the most important organic acids, with various applications in the food, beverage, pharmaceutical, cosmetic, and chemical industries.
Ernesta Augustiniene   +5 more
doaj   +2 more sources

Validation and Application of Quantitative Methods for D-Lactic Acid and L-Lactic Acid Determination in Lactic Acid Bacteria [PDF]

open access: yesFoods
The evaluation of D- and L-lactic acid production by lactic acid bacteria is of critical importance, particularly for strains intended for use in infant and young child foods.
Chong Liu   +8 more
doaj   +2 more sources

Research Progress in the Production of D-Lactic Acid from Renewable Resources [PDF]

open access: yesFoods
D-lactic acid is a key chiral intermediate widely applied in agriculture, pharmaceuticals, and polylactic acid synthesis, with microbial fermentation as its main production method.
Bingyi Tao   +8 more
doaj   +2 more sources

Association between organic nitrogen substrates and the optical purity of d-lactic acid during the fermentation by Sporolactobacillus terrae SBT-1 [PDF]

open access: yesScientific Reports
The development of biotechnological lactic acid production has attracted attention to the potential production of an optically pure isomer of lactic acid, although the relationship between fermentation and the biosynthesis of highly optically pure d ...
Sitanan Thitiprasert   +7 more
doaj   +2 more sources

Improvement of D-lactic acid production from methanol by metabolically engineered Komagataella phaffii via ultra-violet mutagenesis [PDF]

open access: yesMetabolic Engineering Communications
Methanol has attracted attention as an alternative carbon source to petroleum. Komagataella phaffii, a methanol-assimilating yeast, is a useful host for the chemical production from methanol.
Yoshifumi Inoue   +4 more
doaj   +2 more sources

Non-sterilized fermentation of high optically pure d-lactic acid by a genetically modified thermophilic Bacillus coagulans strain [PDF]

open access: yesMicrobial Cell Factories, 2017
Background Optically pure d-lactic acid (≥ 99%) is an important precursor of polylactic acid. However, there are relatively few studies on d-lactic acid fermentation compared with the extensive investigation of l-lactic acid production.
Caili Zhang   +5 more
doaj   +2 more sources

Adaptive Evolution for the Efficient Production of High-Quality d-Lactic Acid Using Engineered Klebsiella pneumoniae [PDF]

open access: yesMicroorganisms
d-Lactic acid serves as a pivotal platform chemical in the production of poly d-lactic acid (PDLA) and other value-added products. This compound can be synthesized by certain bacteria, including Klebsiella pneumoniae.
Bo Jiang   +4 more
doaj   +2 more sources

Evaluation of Fecal Calprotectin, D-Lactic Acid and Bedside Gastrointestinal Ultrasound Image Data for the Prediction of Acute Gastrointestinal Injury in Sepsis Patients [PDF]

open access: yesFrontiers in Medical Technology, 2021
Objective: To investigate the early warning and prognostic evaluation of fecal calprotectin (FC), D-lactic acid, and bedside gastrointestinal ultrasound (B-GIUS) data for acute gastrointestinal injury (AGI) in sepsis patients.Main Method: Sepsis patients
Junlu Li   +5 more
doaj   +2 more sources

Control of D-lactic acid content in P(LA-3HB) copolymer in the yeast Saccharomyces cerevisiae using a synthetic gene expression system [PDF]

open access: yesMetabolic Engineering Communications, 2022
The fully biobased polyhydroxyalkanoate (PHA) polymers provide interesting alternatives for petrochemical derived plastic materials. The mechanical properties of some PHAs, including the common poly(3-hydroxybutyrate) (PHB), are limited, but tunable by ...
Anna Ylinen   +3 more
doaj   +2 more sources

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