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Acetic Acid - PubAg

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Last Updated: 15 October 2021

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Microbial electrosynthesis: is it sustainable for bioproduction of acetic acid?

Microbial electrosynthesis is an ingenious modern technology for electrical energy driven microbial reduction of carbon dioxide to valuable multi-carbon substances. This study analyzes the cradle-to-gate environmental problems linked with acetic acid production through MES using graphene functionalized carbon felt cathode. Results reveal that also if MES productivity can be in theory increased to match the highest possible space time return reported for acetogenic germs in a continual gas fermenter, the ecological influence of AA generated making use of MES systems would still be considerably greater than that produced using a fossil-based process. Use of fed-batch procedure and sustainable energy sources do aid in reducing the impact, however, the reduced production rates and overall high energy need makes large execution of such systems impractical. The evaluation suggests a minimum threshold production rate of 4100 g m ⁻² d ⁻¹, that requires to be attained, prior to MES might be seen as a sustainable alternative to fossil-based AA production.

Source link: https://pubag.nal.usda.gov/catalog/7310123


Effects of indole-3-acetic acid (IAA), jasmonic acid (JA), and gibberellic acid (GA3) on the direct regeneration of Gelidium floridanum explants

Gelidium floridanum is a red algae of economic significance as it generates top notch agar which is removed exclusively from material gathered from all-natural beds. Phytoregulators have not been explored in macroalgal society as a potential option for large farming of seaweed. Therefore, this research aimed to examine the direct regrowth of G. floridanum explants utilizing indole-3-acetic acid, jasmonic acid, and gibberellic acid. After 5 days the development of upright axes was higher and with a better average size in the 2 and 4 mM JA treatments and floridean starch grains gathered at the base, not being observed in the apical area. After 20 days the development of new explants was greater in all treatments with IAA. We wrap up that the straight regrowth of G. floridanum explants occurs from the medullary cells and begins in the first week of society.

Source link: https://pubag.nal.usda.gov/catalog/7318393


On-site generated peroxy acetic acid (PAA) technology reduces Salmonella and Campylobacter on chicken wings

The goal of the suggested study was to 1 examine the effectiveness of on-site created PAA in minimizing Salmonella and Campylobacter populations contrasted to the readily available PAA stock remedies and 2 to execute color measurements to assess any type of discrepancies between treatments. Immersion of chicken wings in 100 ppm PAA for 60 min irrespective of pH levels and PAA solutions resulted in greater microbial reductions P < 0. 05 of Salmonella by 1. 68 and 1. 42 log CFU/mL for SaniDate, 1. 82 and 1. 83 log CFU/mL for OxyFusion on-site produced. The antimicrobial effectiveness of PAA was not influenced by pH and sort of PAA service. On-site generated PAA offers fowl cpus an efficient, much safer, and much less dangerous alternative to commercially available PAA options, ensuring fowl employees' health and safety.

Source link: https://pubag.nal.usda.gov/catalog/7355114


Stable dechlorination of Trichloroacetic Acid (TCAA) to acetic acid catalyzed by palladium nanoparticles deposited on H2-transfer membranes

Trichloroacetic acid is an usual sanitation result created during chlorine disinfection. With the episode of the Coronavirus Disease 2019 pandemic, using chlorine sanitation has boosted, elevating the currently considerable risks of DBP exposure. We checked out a novel system that employs palladium nanoparticles for catalytic reductive dechlorination of TCAA. The H ₂-based membrane Pd movie activator attained a high catalyst-specific TCAA reduction rate, 32 L/g-Pd/min, a worth similar to the rate of using homogeneously put on hold PdNP, however orders of size greater than with various other paralyzed PdNP systems. In batch tests, over 99% elimination of 1 mM TCAA was achieved in 180 minutes with strong item selectivity to acetic acid. We determined the reaction pathways and their kinetics for TCAA reductive dechlorination with PdNPs utilizing direct shipment of H ₂.

Source link: https://pubag.nal.usda.gov/catalog/7241428


Exogenous application of acetic acid improves the survival rate of cotton by increasing abscisic acid and jasmonic acid contents under drought stress

Twenty-day-old cotton seedlings were grown for 9 days in the presence or lack of acetic acid under all-natural drought conditions in which the relative water content of the dirt reduced below 60% at 6 days after treatment. Abscisic acid and jasmonic acid contents and the expression of ABA biosynthesis genes and JA biosynthesis genes in cotton fallen leaves were increased by acetic acid treatment at 3 DAT, and these variables were raised in control and acetic acid-treated plants at 6 and 9 DAT.

Source link: https://pubag.nal.usda.gov/catalog/7254766


Xylooligosaccharides production by optimized autohydrolysis, sulfuric and acetic acid hydrolysis for minimum sugar degradation production

This research obtained XOS by comparing optimized problems for acid hydrolysis and autohydrolysis of sugarcane bagasse, showing that is possible to create XOS with minimal degradation of sugras. The acid hydrolysis procedure varied the specifications using a 2 ³ factorial style making use of 1-- 3% sulfuric or acetic acid; a temperature level of 100-- 160 ° C and a reaction time of 15-- 55 min. The acetic acid hydrolysis of the sugarcane bagasse resulted in the conversion of xylan into XOS of 18. 41% with 1% acid at 100 ° C for 15 minutes, with xylopentaose/xylohexaose predominance. The hydrolysis of sugarcane bagasse with sulfuric acid caused 90. 13% of XOS with 2% of acid at 79. 55 ° C for 35 minutes, with xylobiose prevalence. Autohydrolysis of bagasse caused 13. 67% xylan conversion into XOS at 172. 4 ° C for 35 minutes, with xylotetraose prevalence.

Source link: https://pubag.nal.usda.gov/catalog/7402336


Ultrasonication Improves the Structures and Physicochemical Properties of Cassava Starch Films Containing Acetic Acid

Cassava starch movies are made with acetic acid treatment and ultrasonication. The tensile strength and prolongation at break of the movies first increase and after that lower with enhancing ultrasound power degree. Ultrasonication additionally results in greater opacity, higher water barrier performance, and lower water adsorption of the movies. Thus, the outcomes reveal that ultrasonication can be used as a reliable and basic way to modify the morphology, microstructure, and performance of starch-- acetic acid films to much better meet the application requires.

Source link: https://pubag.nal.usda.gov/catalog/7229721


Kinetics of xylan hydrolysis using an acetic and formic acid-based organosolv pretreatment

This research study focused on understanding the kinetics of xylan hydrolysis during a formic and acetic acid-based organosolv pretreatment of wheat straw, and determining the variables that control xylose deterioration. The speculative data were efficiently fitted to a first-order monophasic model which recommended that xylan dissolution occurred in three stages and often tended towards a limitation worth based on the temperature level. Xylose oligomers were consisted of in the version as response intermediates and their hydrolysis into xylose has been linked to the rate figuring out step.

Source link: https://pubag.nal.usda.gov/catalog/7325061


Microanalytical flow system for the simultaneous determination of acetic acid and free sulfur dioxide in wines

Free sulfur dioxide and unstable level of acidity are parameters related to the high quality of white wines. This might be a lot more complicated in aging wine rack, where thousands of individual barrels consisting of almost completed glass of wines should be kept track of. To accomplish this goal, a mobile microanalytical circulation system for the simultaneous discovery of free SO ₂ and acetic acid throughout the ageing of wines is suggested in this work. It was validated with different sets of white wine examples by contrasting the results with basic approaches, showing a good contract in between methods.

Source link: https://pubag.nal.usda.gov/catalog/7219213


A data analysis on the effect of acetic acid on dry matter intake in dairy cattle

In the majority of silages, acetic acid is the fermentation item with the second greatest concentration, after lactic acid. Acetic acid may impair the DM intake by ruminants, a lot of possibly due to its sensory characteristics. Per 100 kg body weight, a rise of 1 g acetic acid/kg DM resulted in a decrease of 1. 2 g in DMI for acetic acid focus < 17. 3 g/kg DM. From 17. 3-- 60 g acetic acid/kg DM, DMI reduction was 5. 6 g for each added g of acetic acid in DM. Dairy products nutritionists must consider the content of acetic acid in fermented ingredients on balancing the diet regimen, to avoid DMI clinical depression. Thinking about normal percentages of silage in diet plan, existing referrals for the top restriction of acetic acid in silages might, from the perspective of taking full advantage of DMI, be too high and for that reason warranting reconsideration.

Source link: https://pubag.nal.usda.gov/catalog/7203801

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions