Browsing by Author "Niculaua, Marius"

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  • Chiriță, Otilia; Niculaua, Marius; Nechita, Ancuța; Cotea, Valeriu V. (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2011)
    The studies regarding the antioxidant activity evolution in different technological stages of some red wines was made at the oenology laboratory of U.S.A.M.V. Iasi and closely with the Center for oenology, Iasi branch of ...
  • Odăgeriu, Gheorghe; Niculaua, Marius; Rusu, E.; Chiriță, Otilia; Buzilă, Il.; Zamfir, Cătălin-Ioan (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2008-02-01)
    This study presents the evolution in time of the chromatic parameters (L, a, b, C, H0) over 24 months, as well as the variation of total phenolic compounds (anthocyans) and the variation of the main colour characteristics ...
  • Mogîrzan, Petronela-Cristina; Cotea, Valeriu V.; Condorachi, Igor; Niculaua, Marius (2010)
    This study analyses the way in which different maceration-fermentation methods (ultrasounds maceration, microwave maceration, thermomaceration, classical maceration) influence the extraction of phenolic compounds and the ...
  • Odăgeriu, Gheorghe; Neacșu, I.; Găină, Boris; Niculaua, Marius; Zamfir, Cătălin-Ioan; Stoica, G. ("Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași, 2007-04-12)
    The paper presented data concerning the variation of physical-chemical indices during must alcoholic fermentation: DM – soluble dry matter, pH – real acidity, ITP – index of total polyphenols, χ–conductivity, TDS – total ...
  • Nechita, Bogdan; Niculaua, Marius; Cotea, Valeriu V. (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2015)
    The extraction of polyphenolic compounds in the plant material is influenced by the chemical and structural characteristics and the particle size of the plant material, as well as the presence of interfering substances. ...
  • Filimon, Vasile-Răzvan; Băetu, Marius; Nechita, Ancuța; Filimon, Roxana; Niculaua, Marius; Rotaru, Liliana (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016)
    5-Hydroxymethylfurfural (HMF) is a water-soluble compound resulting from heating monosaccharides in acidic conditions (e.g. wine pasteurisation), potentially carcinogenic to humans. White wines obtained through classical ...
  • Beceanu, Dumitru; Niculaua, Marius ("Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași, 2009-03-17)
    The Romanian assortment of alcoholic drinks distilled from fruits, homologated in Romania, consists in ţuica (brandy) of different assortments, fruit brandies and specific natural liqueurs. According to the existing ...
  • Colibaba, Lucia-Cintia; Cotea, Valeriu V.; Niculaua, Marius; Nechita, Bogdan; Tudose Sandu Ville, Ștefan; Lăcureanu, Florin-Gabriel (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)
    The volatile aromas that are lost during the must's fermentation into wine represent a department that is not very much analysed. The capturing and analysing of the volatile compounds that are trapped in the CO2 flow ...
  • Lăcureanu, Florin-Gabriel; Cotea, Valeriu V.; Colibaba, Lucia-Cintia; Niculaua, Marius (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2012)
    The volatile aromas that are lost during the must's fermentation into wine represent a department that is not very much analysed. The capturing and analysing of the volatile compounds that are trapped in the CO2 flow ...
  • Niculaua, Marius; Coșofreț, Sorin-Cezar; Cotea, Valeriu V.; Nechita, Bogdan; Odăgeriu, Gheorghe ("Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași, 2006)
    In the last two years, the Oenology Research Centre of Iaşi and the National Institute for Research and Improvement of Cryogenics and Isotopic Techniques of Râmnicu Vâlcea, together with the National Institute for ...
  • Niculaua, Marius; Odăgeriu, Gheorghe; Tucaliuc, Roxana-Angela; Moroșanu, Ana-Maria; Teliban, Iulian-Valentin; Cotea, Valeriu V. (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2015)
    The use of insecticides in crops is needed to provide an increase of production at relatively low cost. Lately increased chemisationto crop led to problems in the food, but also directly with animal health or in directly ...
  • Filimon, Vasile-Răzvan; Niculaua, Marius; Sârbu, Sorina; Filimon, Roxana; Arion, Cristina (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iaşi, 2011)
    Data on chromatic parameters allow objective assessment of fruit color at maturity of consumption, by analyzing hydroalcoholic extracts obtained and monitoring color development during their storage. This paper aims to ...
  • Odăgeriu, Gheorghe; Cotea, Valeriu V.; Stoica, G.; Niculaua, Marius (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2006-11-22)
    The paper presents data concerning the effect of acidity correction on the solubility of potassium bitartrate and calcium neutral tartrate, as a result of acid addition (tartaric, malic, citric and succinic) in wines ...
  • Codreanu, Maria; Cotea, Valeriu V.; Niculaua, Marius; Luchian, Camelia-Elena; Colibaba, Lucia-Cintia (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016)
    The aim of this paper is to investigate new possibilities of using carbon based materials in winemaking technology. In this study, Cabernet Sauvignon wine was treated with following materials: graphene (G), graphene oxide ...
  • Cerbu, Maria-Iulia; Cotea, Valeriu V.; Zamfir, Cătălin-Ioan; Niculaua, Marius; Călin, Ioana; Popîrdă, Andreea; Colibaba, Lucia-Cintia; Tudose Sandu Ville, Ștefan ("Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași, 2021-03-31)
    Grapes, the quintessential quality factor in winemaking, are found in certain areas of the globe where viticulture thrives. The quality of wine products is directly influenced by the quality of the grapes, their ...
  • Scutarașu, Elena-Cristina; Cotea, Victor; Cotea, Valeriu V.; Niculaua, Marius; Luchian, Camelia-Elena; Colibaba, Lucia-Cintia; Nistor, Alina-Mihaela (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2018)
    The study aimed to analyse phenolic compounds from wine samples using “ecological” spectrometric methods (low consumption of chemical reagents) comparing a traditional UV-VIS spectrophotometer ...
  • Buzdugan, V.; Niculaua, Marius; Luchian, Camelia-Elena; Popîrdă, Andreea; Colibaba, Lucia-Cintia; Scutarașu, Elena-Cristina; Cotea, Valeriu V. (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2018)
    Plum distillate is an alcoholic drink obtained by the fermentation and distillation of plums. Its quality is determined by many factors, such as climate characteristics, soil, plum varieties and technological process. The ...
  • Buzdugan, V.; Niculaua, Marius; Luchian, Camelia-Elena; Popîrdă, Andreea; Colibaba, Lucia-Cintia; Scutarașu, Elena-Cristina; Cotea, Valeriu V. (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2018)
    Plum distillate is an alcoholic drink obtained by the fermentation and distillation of plums. Its quality is determined by many factors, such as climate characteristics, soil, plum varieties and technological process. ...
  • Tucaliuc, Roxana-Angela; Niculaua, Marius; Luchian, Camelia-Elena; Mangalagiu, Ionel; Trincă, Lucia-Carmen; Cotea, Valeriu V. (“Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary Medicine, Iași, 2016)
    The present study describes the evolution of the main phisico- chemical parameters from Fetească neagră wine after treatment with azaheterocycles compounds. The physical and chemical analysis emphasizes the wine ...
  • Neacșu, I.; Rotinberg, P.; Gherghel, Daniela; Mihai, C.T.; Cotea, Valeriu V.; Zănoagă, Cristinel; Niculaua, Marius ("Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași, 2006)
    We have studied the influence of two polyphenolic fractions – methanolic (PMF) and ethanolic (PEF) – extracted from the leaves of the medicinal plant Asclepias syriaca upon cellular respiration. Experiments were performed ...