The fermentation process of acid curd whey using pure cultures of L bulgaricus and L aciabphilus was investigated. The influence of the starter culture amount on the acidification rate in the fermentation was specified, the biological value of fermented and fermented-ammoniated curd whey was determined, and the ability of fermented whey to prevent the injurious effect of Bac. mesenthericus on the wheat bread quality was examined. Acid curd whey was fermented up to a titratable acidity of 19.8-21.6 g lactic acidkg whey using L aciabphylus and L. bulgaricus. Mathematical equations were developed on the basis of experimental data to calculate the titratable acidity (A) as a function of fermentation time (.t) and temperature (r). Fermentation and fermentation-ammoniation processes increase the biological value of whey (the content of the vitamins B1. B2. 8 6 . PP and the free amino acids increase). A new dry fodder BIOLAKTS was developed from fermented curd whey and was recommended for use in veterinary medicine. The fermentation-ammoniation process of curd whey was carried out by adding calculated amounts of non-protein nitrogen m O H to increase the total protein equivalent and to achieve mutual proportions of protein and lactose 1: 1.4. as in skimmed milk. Fermented-ammoniated curd whey was used to obtain a skimmed milk substitute. A dry flour lactic acid concentrate (FLC) was created as a mixture of high quality wheat flour and evaporated fermented whey in established ratios. As our experiments prove, it can be used as an additive in bread-making to prevent the spoiling of wheat bread by Bac. mesenthericus.
-The objective of the current research is to evaluate the quality changes of shredded carrots treated with 2 ppm ozonated tap water for 60 s ± 1 s. Treated carrots have been packed in several materials (hermetically sealed by breathing polymer film BOPP Propafilm TM P2GAF, cellulose based biodegradable NatureFlex NVS and Polilactid BIO-PLA Containers) and stored at the temperature of + 4 C ± 1 C for 10 days. Main quality parameters using standard methods have been analysed: total carotenoids and β-carotene, total phenolic, antioxidant capacity, soluble solids, mass loses, moisture, pH, firmness, colour, CO2 and O2 and microbiological parameters. Testing of the samples has been carried out before packaging and during storage. In the present research it has been proved that is possible to maintain the chemical composition of shredded carrots during storage by treatment of carrots with ozonated tap water; as a result, the shelflife of shredded carrots can prolong till 10 days.
Innovative (ozonised water, hydrogen peroxide) treatment solutions is one of the newest treatment agents used to decrease the count of microorganisms in vegetables. NatureSeal ® AS5 is a commercial solution used for the treatment of vegetables worldwide. The aim of this work was to study the effect of the various treatment solutions -hydrogen peroxide, ozonised water and NatureSeal ® AS5 (in various concentrations and for different treatment time) with the main purpose to ensure the microbiological safety of fresh-cut carrots. Non-treated carrots were used as control sample. The following treatment regimes were investigated: ozonised water treatment time 60; 120; 180±1 s and concentrations 1.0; 2.0; 3.0 mg L -1 ; hydrogen peroxide solutions, treatment time 30±1 s, 60±1 s 90±1 s and concentrations 0.5%; 1.0% 1.5%; NatureSeal ® AS5 water solution 2.5% 5 min ± 1 s were prepared for treatment of shredded carrots. E.coli in fresh carrots was not detected. Mathematical processing of the obtained results revealed that various concentrations of hydrogen peroxide (p=0.019; α=0.05) and treatment times (p=0.049; α=0.05) significantly influenced the TPC colony forming units in carrots. The obtained results prove the treatment agent properties of hydrogen peroxide. The comparison of chosen treatment regimes detected a significant (p=0.003; α=0.05) influence of the ozonised water on the decrease in the count of TPC colony forming units in carrots after treatment. During experiments it was proved that NatureSeal ® AS5 solution could be recommended as treatment agent for the treatment of fresh shredded carrots.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.