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Dissertations / Theses on the topic 'Fruit composition'

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1

Gao, Yuan. "Changes of tomato fruit composition in response to salinity /." Title page, contents and summary only, 1991. http://web4.library.adelaide.edu.au/theses/09A/09ag211.pdf.

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2

Phelan, Patrick G. "INFLUENCE OF CROP LOAD ON FRUIT COMPOSITION USING PINOT NOIR GRAPES." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/206.

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ABSTRACT Influence of Crop Load on Fruit Composition Using Pinot Noir Grapes Patrick G. Phelan November 2009 The two seasons for this trial were conducted in 2002 and 2003 at Bien Nacido Vineyard in Santa Maria, California. The trial consisted of pinot noir wine grapes clone 2a, grown on 101-14 rootstock. There were eight treatments with a control consisting of 25 vines per treatment, and 50 vines for the control. The primary objective of this research experiment was to conduct different vine balance procedures and compare them to the amount of wine phenolics. The vines were altered with tw
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3

Donetti, Manuela. "Postharvest biochemical and physiological characterisation of imported avocado fruit." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/7672.

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Difficulties in controlling and forecasting avocado fruit ripening and the highly perishable nature of the crop once harvested, are the major causes of concern for avocado traders. In particular, the simultaneous presence of many suppliers may account for increased fruit variability during ripening. Avocado is a climacteric fruit with consistent ethylene production after harvest which is also related to high perishability. However, the mechanisms regulating ethylene biosynthesis and mesocarp softening are not completely understood. In order to study such effects, avocado fruit from different g
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4

Abdoh, Yousef. "Chemical composition and antioxidant activity of date palm Fruit (Phoenix dactylifera) in Saudi Arabia." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/51308/.

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Dates are the fruit of the palm, which the Greeks call “Phoenix”, a word taken from the Phoenician language. Saudi Arabia is currently one of the largest dates producing countries in the world. There are several varieties of dates grown in Saudi Arabia. Date fruits contain compounds that are potentially bioactive, with many health benefits; for example, vitamin E, carotene (precursor for vitamin A) and phenolic compounds. Dates represent an excellent source of antioxidants due to their high concentrations of phenolic compounds as well as the presence of selenoproteins. Moreover, dates are also
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5

Sutherland, M. J. "The influence of vine vigour and canopy ideotype on fruit composition and aroma of Sauvignon Blanc." Diss., Lincoln University, 2009. http://hdl.handle.net/10182/1270.

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The influence of soil texture on canopy growth, vine yield, and fruit composition of Sauvignon blanc were assessed on a mature vineyard from the Rapaura area in Marlborough. The subject vines were mature Sauvignon blanc in a commercial vineyard trained to four cane VSP and planted with a north south orientation. Row and vine spacings were typical of the area at 3m x 1.8m. Four areas of different soil texture were identified using trunk circumference measurements, visual assessment of the surface soil and aerial photographs to identify changes in vine growth. Soil pits were excavated at a later
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6

McCarthy, Michael G. "Effect of timing of water deficit on fruit development and composition of Vitis vinifera cv. Shiraz /." Title page, contents and summary only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phm1233.pdf.

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7

Messner, Christine. "Genetic and environmental drivers of fruit composition in relation to sensory quality in blueberry (Vaccinium corymbosum)." Thesis, University of Strathclyde, 2013. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=23624.

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The consumption of blueberries in the UK is increasing, but currently most of the available blueberries are imported. There is therefore great potential for UK growers to supply high quality blueberries to meet the consumer preferences. At present little is known regarding specific UK consumer sensory preferences, the relationship between fruit metabolite and sensory profiles or the impact of UK climatic conditions on fruit metabolite profile in relation to sensory and health beneficial characteristics. The aim of this study was to understand the sensory expectations of UK consumers and the re
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8

Vasco, Catalina. "Phenolic compounds in Ecuadorian fruits /." Uppsala : Dept. of Food Science, Swedish University of Agricultural Sciences, 2009. http://epsilon.slu.se/200954.pdf.

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9

Nacitas, Joselle. "Composition du fruit à pain récolté sur un territoire contrasté : Structure, propriétés et aptitudes technologiques de son amidon." Thesis, Antilles-Guyane, 2012. http://www.theses.fr/2012AGUY0517/document.

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Les résultats de cette étude de la composition du fruit à pain récolté sur un territoire contrasté du point de vue agropédoclimatique, et de son amidon, montrent que la teneur en amidon du fruit à pain apparaît comme étant influencée par la saison, mais pas par la zone de récolte. La teneur en amidon beaucoup plus élevée pour les fruits à pain développés durant la saison la plus sèche est un résultat très original. La connaissance du cycle de développement des fruits à pain à la Martinique a été décrite pour une première fois, permettant de déterminer une période de récolte optimisée par rappo
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10

Becker, Magda Marcia. "Characterization of native fruits of the amazon region and development of an amperometric biosensor for determination of antioxidant capacity." Thesis, Perpignan, 2019. http://www.theses.fr/2019PERP0024/document.

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La consommation de fruits est encouragée pour leur apport de composés bioactifs naturels. Ce travail a pour objectif de caractériser dix fruits indignes de la région amazonienne. La caractérisation a été effectuée initialement par des analyses bromatologiques, suivies de la détermination des minéraux Ca, Cu, Fe, Li, Mg, Mn, Na et Zn par spectrométrie d'émission optique ˆ plasma couplé par induction (ICP OES). Ensuite, la capacité antioxydante des fruits a été évalué à l'aide de différentes méthodes colorimétriques (DPPH, ABTS et NBT), ainsi que l'activité antiproliférative contre la lignée ce
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11

Pfister, Lucas Federico. "Effect of canopy management practices - hedging vs curling shoot tips - on growth, yield and fruit composition of Merlot grapevines." Master's thesis, ISA, 2011. http://hdl.handle.net/10400.5/8583.

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Mestrado Vinifera EuroMaster - Instituto Superior de Agronomia<br>A study to compare the effects of hedging and curling the shoot tips (rolling) on the last wire of the trellising system was carried out in Saint Emilion (France) on Merlot grapevines in 2011. Vines were hedged or curled when shoots were 30 – 40 cm longer than the highest wire. The effects of the two canopy management strategies on vine performance, mainly vegetative growth, disease occurrence, phenology, water status, yield components and berry composition were compared. Curled, not hedged vines presented longer main shoo
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12

Petit, Johann. "Identification et validation fonctionnelle de gènes candidats contrôlant la composition de la cuticule chez le fruit de tomate." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2013. http://tel.archives-ouvertes.fr/tel-00966997.

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La cuticule, une matrice lipidique extracellulaire constituée de cires et d'un squelette de cutine, est la barrière de défense la plus externe des plantes face à leur environnement. Elle intervient dans de nombreuses propriétés agronomiques comme la conservation post récolte, les propriétés mécaniques ou bien l'aspect du fruit, dont la brillance. Afin d'isoler des mutants de cuticule, le criblage d'une collection de mutants EMS de tomate a été entrepris, en se basant sur la brillance des fruits, conduisant à la sélection de 24 mutants. Chez ceux-ci, des analyses biochimiques ont montré de fort
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13

Hatch, Tremain Archer. "Groundcover, rootstock and root restriction effects on vegetative growth, crop yield components, and fruit composition of Cabernet Sauvignon." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/78134.

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Wine vineyards in humid environments like the mid-Atlantic United States are characterized by vines that develop too much vegetative growth for optimum quality wine production. Cover crops, rootstocks and rootzone restriction were evaluated for their effect on vegetative and reproductive growth on Cabernet Sauvignon. Treatments were arranged in a strip-split-split plot arrangement with under-trellis cover crops (UTCC) compared to row-middle only cover crop combined with 1-m weed-free strips in the vine row as main plots. Rootstocks riparia Gloire, 420-A, and 101-14 were sub-plots, while sub-su
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14

Morsi, Taher Hussein. "Effects of vine architecture on water use, microclimate, fruit composition, and yield of Vitis vinifera L. 'Petite Sirah' grapevines." Diss., The University of Arizona, 1991. http://hdl.handle.net/10150/185700.

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Effects of trellising on water use, absorption of photosynthetically active radiation (PAR, 400 to 700 nm wavelength) by foliage and potentially by fruit, fruit composition, and yield were studied in 1988 under semi-arid conditions on field-grown Vitis vinifera L. 'Petite Sirah' grapevines in a mature vineyard. The positioning of shoots on trellises resulted in canopies that were (1) positioned vertically (vertical canopy), (2) positioned in a "V" pattern with sides inclined 60° from horizontal (inclined canopy), and (3) inclined toward the vineyard floor (standard canopy). Seasonal water use
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15

Thomson, C. C. "Rootstock and canopy density effects on grape berry composition : organic acid composition, potassium content and pH." Lincoln University, 2006. http://hdl.handle.net/10182/772.

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The influence of rootstock and canopy density on grape berry composition was investigated over the summer of 2003-2004 on a commercial vineyard at Waipara, North Canterbury. This experiment was designed to investigate the influence of rootstock and canopy density on the acid composition, potassium (K) content and final pH of harvested fruit (Pinot Noir AM 10/5 Lincoln Selection). The trial block consisted of eight rootstocks laid out to an 8 x 8 latin square, each plot consisting of five vines of the same rootstock. Two canopy treatments were overlaid the block (down whole rows, assigned rando
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16

Huang, Hua [Verfasser], and Markus [Gutachter] Riederer. "Comparative investigation of the chemical composition and the water permeability of fruit and leaf cuticles / Hua Huang ; Gutachter: Markus Riederer." Würzburg : Universität Würzburg, 2018. http://d-nb.info/1166054810/34.

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17

Wang, Lina. "Combining leaf-to-fruit ratio manipulations with exogenous abscisic acid applications to adjust sugar and anthocyanin concentrations in grape berry." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0264.

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Le changement climatique en cours entraîne une augmentation de la fréquence et de l'intensité des événements météorologiques extrêmes, affectant la composition des raisins. Les températures élevées pendant la maturation augmentent la teneur en sucre du moût et réduisent les teneurs en acides organiques et en anthocyanes, modifiant qualité et typicité du vin. Les pratiques telles que les manipulations du rapport feuilles/fruits combinées à des applications d'hormones végétales peuvent potentiellement être utilisées pour adapter et maintenir la durabilité de la production viticole. Dans ce but,
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18

Constantinescu, Dario. "Analyse et amélioration d’un modèle mécaniste de croissance et composition du fruit : Etude de la variabilité génétique des mécanismes de croissance du fruit, conception d’idéotypes et analyse des effets des transferts d’eau et de la concentration des solutés sur la croissance du fruit Model-Assisted Estimation of the Genetic Variability in Physiological Parameters Related to Tomato Fruit Growth under Contrasted Water Conditions Model-assisted analysis of the pedicel-fruit system suggests a fruit sugar uptake regulation and a water saving strategy." Thesis, Avignon, 2019. http://www.theses.fr/2019AVIG0716.

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Développer la connaissance des réponses du développement des fruits aux pratiques agricoles et aux conditions environnementales est important, depuis les sélectionneurs jusqu’aux producteurs. Cela soutiendrait la conception de pratiques agricoles permettant d’augmenter le rendement et la qualité des fruits et d’adapter la production fruitière au changement climatique, afin de satisfaire la croissance de la demande alimentaire. Le but de cette thèse était d'utiliser et d'améliorer un modèle mécaniste de croissance du fruit pour explorer la variabilité génétique de la tomate, concevoir des idéot
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19

Carminatti, Rafaela. "Prospecção da qualidade nutricional e aplicação tecnológica dos frutos de morangueiro (Fragaria ananassa Duch)." Universidade Tecnológica Federal do Paraná, 2015. http://repositorio.utfpr.edu.br/jspui/handle/1/1514.

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CNPq<br>O morangueiro é uma das culturas agrícolas que apresentam o maior custo de produção, principalmente devido a aquisição das mudas. Esse fato tem levado os produtores a manter as plantas por mais uma safra, devido ao baixo custo vinculado a essa prática. Contudo, pouco se sabe sobre o impacto dessa prática sobre a qualidade do fruto. O objetivo deste trabalho foi avaliar a qualidade de frutos de morangueiro de primeira (2013) e de segunda safra (2014) de um mesmo cultivo, levando em consideração aspectos físicos, químicos e nutricionais dos frutos. Posteriormente foi elaborado um queijo
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20

Chalfant, Patricia. "Responses of Grapevines to Timing and Method of Leaf Removal." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337628161.

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21

Mawdsley, Paul F. W. "The Effects of Cluster Thinning on Vine Performance, Fruit, and Wine Composition of Pinot Noir (Clone 115) in the Edna Valley of California." DigitalCommons@CalPoly, 2019. https://digitalcommons.calpoly.edu/theses/2090.

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A three-year study was conducted at a commercial vineyard site in California’s Edna Valley AVA to evaluate the physiological and agronomical effects of the timing of cluster thinning on Pinot noir (clone 115) grapevines. Vines were thinned to one cluster per shoot at three selected time-points during the growing season (bloom, bloom + 4 weeks, bloom + 8 weeks), and fruit from each treatment was harvested and made into wine. Across all growing seasons, yield decreased 43% in thinned vines relative to un-thinned control vines. No effect of cluster thinning or interaction with growing season was
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22

Etchebarne, Flor. "Influence du régime hydrique de la vigne et du rapport feuilles-fruits sur la composition minérale, et sur le bilan en sucres et en eau de la baie cv. Grenache Noir (Vitis vinifera L)." Montpellier SupAgro, 2009. http://www.theses.fr/2009NSAM0003.

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Cette étude a été réalisée dans le but de mieux comprendre les relations source-puits en considérant deux variables: l'état hydrique de la vigne et le rapport feuilles-fruits, dont les effets ont été analysés sur l'accumulation de l'eau, des cations (potassium, calcium, magnésium et sodium) et des sucres de baies en croissance et en maturation. Le cépage étudié a été le Grenache Noir (Vitis vinifera L), pendant les saisons 2006 et 2007, deux modalités d'état hydrique (irriguée et non irriguée)et trois modalités du rapport feuilles-fruits (5, 10 et 18 feuilles et une grappe par rameau primaire)
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23

Thomson, Cynthia 1957. "The effect of a high fruit and vegetable, low fat dietary intervention on immune function, DNA adduct formation, and body composition among breast cancer survivors." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/288909.

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Each year in the United States five percent of the over 2.5 million women living with breast cancer will have a recurrence. The possibility that dietary change may increase breast cancer-free survival is currently under investigation. Three mechanisms by which diet may have an effect include: (1) improved immunity, (2) reduced oxidative DNA damage and (3) reduced body weight and fat. The hypothesis of this dietary intervention study was that women previously treated for breast cancer who adhere to a diet high in fruit, vegetables and fiber and low in fat would demonstrate improved immune funct
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24

Shenasi, Mariam H. "Studies on the formation of mycotoxins, microbial interaction and biochemical composition during ripening stages of different cultivars of date fruit from the United Arab Emirates." Thesis, Glasgow Caledonian University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251239.

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25

Hill, Brycen Thomas. "Root restriction, under-trellis cover cropping, and rootstock modify vine size and berry composition of Cabernet Sauvignon." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/75223.

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Vineyards in the Mid-Atlantic often have large, vigorous vines that can be costly to manage and produce inadequate fruit for wine production. Dense canopies increase the incidence of fungal disease, require greater allocation of resources to manage, and inhibit fruit development. The primary objective of these studies was to determine effective vine-size modification treatments that would optimize fruit quality, while reducing labor and chemical control. Research factors included root manipulation, under-trellis ground cover, and rootstock. Treatment levels were root bag (RBG) or no root m
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26

Chan-Blanco, Yanine. "Caractérisation du fruit de noni (Morinda citrifolia) au cours du processus de maturation et de sénescence et étude de l'impact de la microfiltration tangentielle sur la composition du jus." Montpellier 2, 2007. http://www.theses.fr/2007MON20048.

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27

Gesimba, Robert Morwani. "Screening Passiflora Species For Drought Tolerance, Compatibility With Purple Passion Fruit, Fusarium Wilt Resistance And The Relationship Between Irrigation, Drenching And Media Composition In The Control Of Fusarium Wilt." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1228238434.

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28

Zhao, Jiantao. "Combining Association and Haplotype Studies Towards the Improvement of Fruit Quality in Tomato Multiple haplotype-based analyses provide genetic and evolutionary insights into tomato fruit weight and composition Meta-analysis of genome-wide association studies provides insights into genetic control of tomato flavor Genomic designing for climate smart tomato." Thesis, Avignon, 2019. http://www.theses.fr/2019AVIG0712.

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Les consommateurs se plaignent de la qualité gustative des tomates depuis des décennies. Celle-ci est influencée principalement par les sucres, les acides et un ensemble de divers composés volatils. L’amélioration de la saveur de la tomate reste l’un des principaux défis à relever pour améliorer la qualité de la tomate et l’acceptabilité des consommateurs pour l’amélioration moderne des tomates. Le but principal de cette thèse était de disséquer le contrôle génétique de la saveur de la tomate en utilisant des SNP à haute densité et un ensemble divers de traits liés à la saveur, notamment les s
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29

Ferreira, Carolina Queiroga. "Efeito do congelamento e da estocagem na atividade enzimática da polifenoloxidase (PFO) e peroxidase (POD) e na composição físico-química de polpa congelada de cupuaçu (theobroma grandiflorum schum)." Universidade Federal do Amazonas, 2009. http://tede.ufam.edu.br/handle/tede/3709.

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Made available in DSpace on 2015-04-22T22:17:29Z (GMT). No. of bitstreams: 1 Dissertacao Final Carolina Queiroga.pdf: 508329 bytes, checksum: 3113d7289b954183f8de4ec45483d1e0 (MD5) Previous issue date: 2009-03-31<br>Fundação de Amparo à Pesquisa do Estado do Amazonas<br>Cupuaçu (Theobroma grandiflorum Schum.) is one of the most popular fruit of Amazon. The pulp is commercialized in two forms: pasteurized or non pasteurized. During processing, the pulp becomes dark due to reactions catalyzed by oxidative enzymes: such as peroxidase and polyphenol oxidase. These enzymes are naturaly presen
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30

Vlček, Ličková Nina. "Usedlost Rychaltice." Master's thesis, Vysoké učení technické v Brně. Fakulta architektury, 2013. http://www.nusl.cz/ntk/nusl-215962.

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In the novice hill Beskydy foothills and the plane Ostrava landscape huddle village Rychaltice. This residence is a part of Hukvaldy. It´s here the important connnection with the "landscape of Leoš Janáček." Poetry and Mysticism by this Czech composer was able to catch in his symphonies, are already very slightly visible. The surviving fragments of the original buildings, cottages, farmsteads and barns talking about agricultural tradition of the area. Despite the high activity of collective agriculture and the building tendencies of the past and today, can be found a small piece of land for tr
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31

Legentil, Anne. "Étude de la composition chimique des pectines de la paroi cellulaire de la fraise et de leur solubilisation par des préparations enzymatiques industrielles : application à la liquéfaction de la fraise." Vandoeuvre-les-Nancy, INPL, 1996. http://www.theses.fr/1996INPL018N.

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Le procédé de liquéfaction des fruits, nécessite l'emploi d'enzymes pectinolytiques, considérées comme des auxiliaires technologiques. L’optimisation de l'hydrolyse enzymatique passe par une meilleure connaissance de la paroi cellulaire du fruit. La paroi cellulaire de la fraise a été isolée du fruit par une extraction à l'alcool. Le matériel ainsi obtenu (MIA) a été soumis à des extractions successives par l'acide trans-1,2-diamino-cyclohexane-n,n,n',n'-tétraacétique, un tampon succinate pH 4,8, l'acide chlorhydrique dilué à chaud et la soude diluée à froid. L’analyse des différents extraits
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Barcia, Milene Teixeira. "Composição centesimal e de fitoquímicos em jambolão (Syzygium cumini)." Universidade Federal de Pelotas, 2009. http://repositorio.ufpel.edu.br/handle/ri/1306.

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Made available in DSpace on 2014-08-20T13:42:04Z (GMT). No. of bitstreams: 1 Dissertacao_Milene_Teixeira_Barcia.pdf: 1315431 bytes, checksum: 076c98a13af9fd70d5553f28c620d0ff (MD5) Previous issue date: 2009-09-01<br>The jambolanum is a tree originating from India and Indonesia, belonging to the family of Mirtaceas. The tree bears fruit during January to May in several Brazilian states. The fruit are small, purpleand involves a single core. The taste of jambolanum not stand out so much because the astringency of the fruit. The consumption of tropical fruit is growing in the last years d
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Silveira, João Paulo Generoso. "Crescimento vegetativo, potencial produtivo e qualidade dos frutos de macieiras tratadas com reguladores de crescimento." Universidade do Estado de Santa Catarina, 2011. http://tede.udesc.br/handle/handle/1122.

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Made available in DSpace on 2016-12-08T16:44:38Z (GMT). No. of bitstreams: 1 PGPV11MA076.pdf: 421773 bytes, checksum: 6fbf2a3579e5da5aa39372d361a40b76 (MD5) Previous issue date: 2011-07-22<br>The aim of this study was to evaluate effects of spraying apple trees with prohexadione-calcium (ProCa) (na inhibitor of gibberellins synthesis) and gibberellin (GA&#8323;) on vegetative growth, yield potential, fruit quality, and occurrence of bitter pit in the fruit. The experimente was conducted in na orchard located in São Joaquim, Santa catarina State (Southern Brazil), in 2009/2010. catarina and
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34

Siguemoto, Érica Sayuri. "Composição nutricional e propriedades funcionais do murici (Byrsomina crassifolia) e moringa (Moringa Oleifera)." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/6/6138/tde-25092013-083726/.

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Introdução - Algumas espécies vegetais comestíveis, mas ausentes na dieta do brasileiro, podem ser boas fontes de nutrientes e de compostos bioativos, e a falta ou a perda de conhecimento sobre elas desfavorece sua inclusão na dieta. Objetivo - Avaliar a composição nutricional e propriedades funcionais da farinha de folha de moringa (Moringa oleifera) e da polpa de murici (Byrsonima crassifolia). Metodologia Os frutos de murici foram coletados em três cidades diferentes do Pará. A farinha de folha de moringa foi coletada na cidade de Marília (SP), nos períodos de fevereiro (verão), mai
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Silva, Vânia Maria Barboza da. "Características de composição química e atividades da Peroxidase e da Polifenoloxidase dos cultivares de abacaxi MD-2 e Pérola." Universidade Federal da Paraí­ba, 2012. http://tede.biblioteca.ufpb.br:8080/handle/tede/4053.

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Made available in DSpace on 2015-04-17T14:49:27Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1010253 bytes, checksum: 01946d09359090468de43eac2c0a9e39 (MD5) Previous issue date: 2012-07-12<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Pineapple is a fruit widely appreciated as fresh fruit. But its chemical composition varies widely between different cultivars. This study evaluated the content of some chemical components and the activity of peroxidase and polyphenoloxidase in pineapple MD-2 and Pearl mature, comparing them with each other. The chemical componen
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Kader, Farid. "Analyse des transformations oxydasiques (PPO, POD) responsables du brunissement et de la dégradation des pigments anthocyaniques des jus de bluet (Vaccinium corymbosum, L. ) : caractéristiques des principaux constituants du fruit : importance de la contribution des intermédiaires quinoniques." Vandoeuvre-les-Nancy, INPL, 1996. http://www.theses.fr/1996INPL131N.

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Dans une première partie, nous nous sommes penchés sur la caractérisation des principaux constituants du fruit de bluet (Vaccinium cortymbosum) afin d'établir la carte d'identité biochimique des acides carboxyliques, sucres simples, protéines, pectines, constituants d'arome, composés phénoliques (anthocyanines, phénols simples, esters et hétérosides phénoliques), cations ainsi que des activités enzymatiques: invertase, sucrose synthase, sucrose phosphate synthase. Ces résultats devraient aider à une meilleure maitrise des transformations technologiques des fruits. La manifestation d'une compos
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Hmid, Ilham. "CONTRIBUTION A LA VALORISATION ALIMENTAIRE DE LA GRENADE MAROCAINE (Punica Granatum L.) : CARACTERISATION PHYSICOCHIMIQUE, BIOCHIMIQUE ET STABILITE DE LEUR JUS FRAIS." Phd thesis, Université d'Angers, 2013. http://tel.archives-ouvertes.fr/tel-01066442.

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Le grenadier (Punica granatum) est adapté aux climats arides et semi-arides d'où l'intérêt d'étudier et valoriser ses fruits à cause de l'accentuation des problèmes de sécheresse qui touchent le Maroc ces dernières années. D'un autre côté, la grenade possède de fortes capacités antioxydantes et anti-inflammatoires liées à la présence d'anthocyanes, de tanins et d'acide ellagique qui est utilisé en thérapeutique pour sa capacité à inhiber la prolifération des cellules cancéreuses. Toutefois, le but de ce présent travail s'intéresse dans un premier temps à la caractérisation physicochimique, l'i
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Hickey, Cain Charles. "Vines of different capacity and water status alter the sensory perception of Cabernet Sauvignon wines." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/42667.

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Reducing disease and increasing fruit quality in vigorous vineyards with dense canopies is demanding of time and resources; unfortunately, vineyards of this nature are common in humid environments. This study investigated the effectiveness with which vine capacity and water status could be regulated as well as if they related to fruit quality and wine sensory perception. The treatments regulating vine size and water status were under-trellis groundcover, root manipulation, rootstocks, and irrigation. Treatments were arranged in a strip-split-split plot design before the introduction of the
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SOUSA, Amanda Goulart de Oliveira. "Qualidade nutricional e valor protéico das amêndoas de baru, de pequi e da castanha-de-caju-do-cerrado em relação ao amendoim." Universidade Federal de Goiás, 2011. http://repositorio.bc.ufg.br/tede/handle/tde/1467.

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Made available in DSpace on 2014-07-29T15:23:42Z (GMT). No. of bitstreams: 1 Dissertacao Amanda Goulart de Oliveira Sousa.pdf: 1097784 bytes, checksum: efe44a45c995339f0d2e83886704fc64 (MD5) Previous issue date: 2011-04-01<br>The aim of this study was to determine the nutritional quality and protein value of the baru almond, pequi almond, and cerrado cashew nut, native fruits from the Brazilian Savanna, compared to the peanut. Standardized methods were used to determine centesimal composition, amino acid profile, fatty acids and mineral content. The experiment was carried out with 42 male we
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BOBEICA, NATALIA. "Manipolazione della maturazione in Vitis vinifera L.: rapporto tra superficie fogliare/uva e gli interazioni delle pratiche colturali." Doctoral thesis, Università Cattolica del Sacro Cuore, 2015. http://hdl.handle.net/10280/6538.

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Il cambio climatico sta inducendo una precocità negli fasi fenologiche della vite, tra cui la maturazione, un fenomeno che si verifica spesso nelle stagioni più calde e che porta a vini sbilanciati. La composizione della bacca consiste principalmente di metaboliti primari e secondari. Entrambi sono sensibili all'ambiente e alla gestione del vigneto. Di conseguenza, il cambiamento climatico può influenzare la composizione delle bacche e modificare la qualità del vino e la tipicità. La defogliazione può influenzare la composizione della bacca, modulando il bilancio vegeto-produttivo. Durante i t
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Landers, Emilee Kathleen. "Rapid Compositional Assessment of Tomato Fruit by Using Portable Mid-Infrared Spectroscopy." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1417539506.

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Bochi, Vivian Caetano. "OTIMIZAÇÃO DE UMA FORMULAÇÃO DE FISHBURGER DE JUNDIÁ (RHAMDIA QUELEN) VISANDO O APROVEITAMENTO DE RESÍDUOS DA FILETAGEM DO PROCESSAMENTO DE FRUTAS." Universidade Federal de Santa Maria, 2007. http://repositorio.ufsm.br/handle/1/5749.

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This work was aimed at optimizing a formulation of silver catfish fishburgers (Rhamdia quelen) using filleting wastes and extract from fruit seeds. The utilization of filleting wastes from silver catfish in the formulation of fishburgers was evaluated by replacing grounded fish fillets with increasing levels (0-control, 20, 50, and 80%) of pulp obtained from filleting wastes (PFW). Fat content of burgers increased with increasing levels of PFW (p<0.05). Burgers with 50-80% PFW had lower n-6/n-3 ratio than control (p<0.05). Fat and moisture retention after cooking were not affected by PFW, whil
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Cartier, Nicole. "Les polysaccharides de la paroi primaire des cellules de Rubus fruticosus cultivées en suspension : intervention des polyosidases endogènes dans leur réarrangement au cours de la croissance." Grenoble 1, 1986. http://www.theses.fr/1986GRE10058.

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Neighbors, Stacy Marie. "Carbohydrates in Glycine max (L.) Merr. fruits during early ontogeny." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/101245.

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The occurrence of starch and other soluble carbohydrates in the embryos and young developing fruits of 'Essex' soybeans were determined at anthesis and continuing 10 days after flowering (DAF). The embryo was shown to be filled with starch grains which disappeared with development. Digestion of embryo sections with a mixture of α- and β-amylases showed a rapid hydrolysis of the reserve starch, suggesting that enzymatic degradation in vivo may provide soluble sugars as substrates for embryo growth. Starch and soluble sugars in the young developing fruits were found to be high at anthesis and th
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Montaut, Sabine. "Composition phytochimique et évaluation de potentialités biologiques des fruits de Isatis tinctoria L. (Brassicaceae)." Toulouse, INPT, 1999. http://www.theses.fr/1999INPT004C.

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Isatis tinctoria l. Ou pastel (brassicaceae) est une plante tres commune dans le sud de la france et dans les pays mediterraneens. Cette plante est connue, depuis des siecles, pour sa propriete tinctoriale bleue due a des precurseurs d'indigo : isatan b et indican. La premiere partie bibliographique donne une breve presentation des brassicaceae, de isatis tinctoria l. , de ses utilisations, de la composition chimique et des proprietes de la plante. La deuxieme partie est consacree a une analyse phytochimique des fruits du pastel. Nous avons isole et identifie, grace aux donnees spectrales uv,
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Lira, Rosa Cavalcante. "Caracterização nutricional e utilização de resíduos da Indústria alimentícia na dieta de frangos de corte." Universidade Federal de Alagoas, 2018. http://www.repositorio.ufal.br/handle/riufal/3163.

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Three experiments had been carried out in which the first one was a metabolism test, by the traditional method, to evaluate the nutritional value of the passion fruit residue in different substitution levels in diet and in two broiler chicken ages. There was a significant difference between ages within all residue replacement levels. For AME, AMEn, CAMDM, MCCP and CAMGE the mean of chicken aged between 10 to 17 days was higher than those with age between 1 to 8 days within all levels of residue replacement. The second and third experiments aimed to evaluate the nutritional value of the biscuit
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Benito, Eugénie. "L'arbousier, Arbutus Unedo L : botanique, composition chimique, propriétés médicinales." Bordeaux 2, 2000. http://www.theses.fr/2000BOR2P093.

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Florido, Julia Mercedes Pérez. "Avaliação da diversidade de frutas e hortaliças frutosas comercializadas no município de São Paulo: composição nutricional de macro e micronutrientes." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/6/6138/tde-06112015-134149/.

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Introdução- O conceito de biodiversidade para alimentação e agricultura inclui um conjunto de componentes, como variedade de alimentos, nível de recursos genéticos e gestão dos sistemas de produção dos diversos cultivos. Segundo a FAO (Food and Agriculture Organization of the United Nations), estudar e entender a biodiversidade é essencial para garantir a segurança alimentar e o desenvolvimento sustentável. Objetivos- Caracterizar a diversidade e disponibilidade de frutas e hortaliças frutosas para a população do município de São Paulo e verificar a disponibilidade de informação nutricional do
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Miodrag, Jazić. "Hemijski sastav i biološki potencijal ploda, soka i tropa kultivisane i divlje kupine (Rubus fruticosus L.)." Phd thesis, Univerzitet u Novom Sadu, Tehnološki fakultet Novi Sad, 2019. https://www.cris.uns.ac.rs/record.jsf?recordId=111236&source=NDLTD&language=en.

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U okviru ove disertacije ispitan je hemijski, mineralni ipolifenolni sastav, kao i biolo&scaron;ki potencijal četiri sortekupina sa dva različita lokaliteta sjeverozapadnog dijelaBosne i Hercegovine, sa lokaliteta Verići (divlja ikultivisana sorta Čačanska bestrna) i sa lokalitetaJavorani (divlja sorta i kultivisana sorta ChesterThornles). Određen je sadržaj suve materije, pepela,sirove celuloze, ukupnih &scaron;ećera, ukupna kiselost i sadržajaskorbinske kiseline. Sadržaj mineralnih materijadetektovan je metodom optičke emisione spektrometrije(ICP-OES). Za izdvajanje ekstrakata je kori&scaron
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Dimopoulos, Nicolas. "Compositional changes of the grape berry (Vitis vinifera L.) cuticle during fruit development in response to water deficit stress." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/64184.

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