0000000000248684

AUTHOR

Karina Juhnevica-radenkova

showing 4 related works from this author

Highly-Efficient Release of Ferulic Acid from Agro-Industrial By-Products via Enzymatic Hydrolysis with Cellulose-Degrading Enzymes: Part I–The Super…

2021

Historically Triticum aestívum L. and Secale cereále L. are widely used in the production of bakery products. From the total volume of grain cultivated, roughly 85% is used for the manufacturing of flour, while the remaining part is discarded or utilized rather inefficiently. The limited value attached to bran is associated with their structural complexity, i.e., the presence of cellulose, hemicellulose, and lignin, which makes this material suitable mostly as a feed supplement, while in food production its use presents a challenge. To valorize these materials to food and pharmaceutical applications, additional pre-treatment is required. In the present study, an effective, sustainable, and …

0106 biological sciencesHealth (social science)Plant Sciencelcsh:Chemical technology01 natural sciencesHealth Professions (miscellaneous)MicrobiologyArticleFerulic acidchemistry.chemical_compoundHydrolysisrecovery0404 agricultural biotechnology010608 biotechnologyEnzymatic hydrolysisLigninHemicelluloselcsh:TP1-1185BiorefiningFood scienceCellulosevalorizationBranfood and beveragesenzymatic hydrolysis04 agricultural and veterinary sciences040401 food sciencechemistrybiorefiningrye branFood Scienceferulic acidFoods
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Valorization of Wild Apple (Malus spp.) By-Products as a Source of Essential Fatty Acids, Tocopherols and Phytosterols with Antimicrobial Activity

2018

The amplified production of fruit as well as burgeoning demand for plant-made food products have resulted in a sharp increase of waste. Currently, millions of tons of by-products are either being discarded or utilized rather ineffectively. However, these by-products may be processed and further incorporated as functional ingredients in making high-value food products with many physiological and biochemical effects. The chemical analysis of pomace oils using gas chromatography-mass spectrometry (GC/MS) and reversed-phase-liquid chromatography coupled with fluorescence detector (RP-HPLC/FLD) systems led to the identification and quantification of 56 individual lipophilic compounds including u…

0301 basic medicineMalusPlant Scienceoil03 medical and health scienceschemistry.chemical_compound0404 agricultural biotechnologyTriterpenelcsh:Botany<i>Malus</i> spp.TocopherolFood scienceMICCarotenoidEcology Evolution Behavior and SystematicsLupeolchemistry.chemical_classification030109 nutrition & dieteticsEcologybiologyChemistryPomacecarotenoids04 agricultural and veterinary sciencesAntimicrobialbiology.organism_classification040401 food scienceTerpenoidlcsh:QK1-989FAMEstocopherolsPlants
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Wild apple (Malus spp.) by-products as a source of phenolic compounds and vitamin C for food applications

2020

Abstract The phytochemical profile and positive health effects of the fruits and by-products of domesticated Malus domestica Borkh. apple cultivars have been extensively investigated. The present study was designed to evaluate the hydrophilic composition and antioxidant activity of the compounds recovered from wild apple Malus spp. by-products. The phytochemical analysis of the 30 and 96% ethanolic extracts using LC-DAD-ESI-MS/MS has led to the detection and isolation of 25 hydrophilic compounds. Amongst the polyphenols, chlorogenic acid, B-type procyanidins, and phloretin-2-glucoside dominated. The results of HPLC-DPPH• radical scavenging showed that the major contributors to the antioxida…

0303 health sciencesMalusAntioxidantfood.ingredientVitamin Cbiology030309 nutrition & dieteticsmedicine.medical_treatmentFood additive04 agricultural and veterinary sciencesbiology.organism_classification040401 food scienceBiochemistry03 medical and health scienceschemistry.chemical_compound0404 agricultural biotechnologyfoodChlorogenic acidchemistryPhytochemicalLipid oxidationPolyphenolmedicineFood scienceFood ScienceFood Bioscience
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Effect of ozone treatment on the microstructure, chemical composition and sensory quality of apple fruits

2018

The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This research commissioned by Agricultural services co-operative society ‘AUGL¸ NAMS’ has been conducted within framework ‘The research of fruit storage technologies’ funded by State program ‘Competence Centre for Food in Latvia’.

0106 biological sciencesMaleMalusOzonesensory evaluationGeneral Chemical Engineeringmedia_common.quotation_subjectmicrostructureSensation01 natural sciencesIndustrial and Manufacturing Engineeringchemistry.chemical_compound0404 agricultural biotechnologyOzoneSpecies Specificity010608 biotechnologyFood PreservationFood Quality:NATURAL SCIENCES:Physics [Research Subject Categories]HumansQuality (business)CultivarChemical compositionmedia_commonbiology04 agricultural and veterinary sciencesConsumer Behaviorbiology.organism_classificationMicrostructure040401 food sciencepostharvest storageHorticulturechemistryFood StoragequalityFruitMalusEnvironmental scienceFemaleApple treatmentFood Science
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