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Dissertations / Theses on the topic 'Content of chlorophylls and carotenoids'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Yang, Wenbo Ms. "Effect of Chlorine Dioxide Gas Treatment on Bacterial Inactivation Inoculated on Spinach Leaves and on Pigment Content." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429609779.

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2

Kamffer, Zindi. "Carotenoid and chlorophyll content of Vitis vinifera cv. Merlot grapes during ripening with reference to variability in grapevine water status and vigour." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4305.

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Thesis (MScAgric (Viticulture and Oenology))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: Previous research has shown that carotenoids are precursors of C13-norisoprenoid aroma compounds in wine. C13-norisoprenoids have low threshold values in wine with the most prominent C13-norisoprenoids being β-damascanone and β-ionone which contribute honey and floral like aroma to wine. Chlorophyll and its derivates have also been detected in wine with potential to be precursors to aroma compounds. Apart from the contribution of these pigments to wine aroma and quality they are vital role

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3

Rubio, Diaz Daniel E. "Effect of Plant Genotype and Processing Techniques on Stability and Content of Tomato Carotenoids by Infrared Spectroscopy." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1268355787.

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4

Szotkowski, Martin. "Řízená produkce lipidů a dalších lipidických látek pomocí vybraných druhů kvasinek a mikrořas." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-438298.

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Karotenoidy jsou přírodní pigmenty vyskytující se v mikroorganismech jako jsou řasy, kvasinky a sinice. Představují nejrozšířenější skupinu antioxidantů s významným biologickým účinkem. V současnosti vzrůstá zájem o karotenoidy vzhledem k jejich příznivým vlivům na lidské zdraví. Chlorofyly jsou zelená fotosyntetická barviva, která nacházejí uplatnění v potravinářství jako intenzivní zelená barviva. Koenzym Q je znám svým pozitivním vlivem pro správnou funkci řady orgánů v lidském těle. Ergosterol je nedílnou součástí membrán kvasinek a hub. Je to provitamin D2, který je důležitou součástí imu

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5

López-Gámez, Gloria. "Application of pulsed electric fields as a strategy for enhancing the content and bioaccessibility of carotenoids and phenolic compounds in carrots and their derived products." Doctoral thesis, Universitat de Lleida, 2021. http://hdl.handle.net/10803/671424.

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Aquesta Tesi Doctoral va avaluar l'aplicació de polsos elèctrics (PE) com a estratègia per induir l'acumulació de compostos fenòlics i carotenoides i millorar la seva bioaccessibilitat en pastanagues i els seus productes derivats (sucs i purés). Es va investigar l'efecte de PE sobre el contingut fenòlic i carotenoide, la seva bioaccessibilitat i la microestructura de pastanagues i els seus derivats. A més, es va estudiar l'efecte de PE sobre els principals atributs de qualitat de les pastanagues senceres, així com la seva influència en l'activitat respiratòria i les activitats enzimmàtiques se

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6

Aidar, Saulo de Tarso. "Tolerância à dessecação em Pleurostima purpurea (Velloziaceae): trocas gasosas, pigmentos fotossintéticos e conteúdo relativo de água foliar." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/11/11144/tde-12012006-151513/.

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Pleurostima purpurea (Velloziaceae) é uma espécie rupícola encontrada em afloramentos rochosos do estado do Rio de Janeiro, sudeste do Brasil. Por apresentar notável capacidade de tolerar a dessecação vegetativa, este estudo teve o intuito de esclarecer detalhes sobre a estratégia ecofisiológica utilizada por tais plantas frente à desidratação do ambiente e as vantagens associadas ao processo. Para tanto foi analisada a dinâmica de trocas gasosas, o conteúdo de pigmentos fotossintéticos e o conteúdo relativo de água de tecidos foliares durante os processos de dessecação e reidratação de indiví

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7

Sanchís, Soler Elena. "Effect of processing on the physicochemical, sensory, nutritional and microbiological quality of fresh-cut 'Rojo Brillante' persimmon." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/62588.

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[EN] Persimmon (Diospyros kaki L.) 'Rojo Brillante' is an astringent variety characterised by good growing conditions, excellent colour, size, sensory characteristics and good nutritional properties. In the last decade, its production has grown substantially in Spain given the application of high levels of CO2 to remove astringency while firmness is preserved. This technology has also increased its potential as a fresh-cut commodity. However, physical damage during processing result in degradation of the colour and firmness of the product and a higher susceptibility to microbial spoilage that

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8

Chen, Chia-ju, and 陳佳如. "Determination of Carotenoids and Chlorophylls in Rhinacanthus nasutus (L.) kurz by Liquid Chromatography-Mass Spectrometry." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/47326701646324387655.

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碩士<br>輔仁大學<br>食品科學系<br>98<br>The objectives of this study were to develop a high performance liquid chromatography-mass spectrometry method for determination of carotenoids and chlorophylls in R. nasutus, a tradition herb possessing anticancer and antioxidant activities, as well as study their variation upon drying treatment. Identification of both carotenoids and chlorophylls was carried out on the basis of retention behavior, absorption spectra and mass spectra using atmospheric pressure chemical ionization (APCI) in positive ion mode for detection. Results showed that a total of 24 caroten

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9

CHEN, YA-YING, and 陳雅瑛. "Studies on the stability of chlorophylls and carotenoids in green vegetables as affected by various heat treatments." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/72374691410065460872.

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10

Shu, Hung-Pin, and 許宏賓. "Effect of the different culture conditions on the formation of chlorophylls、carotenoids and C.G.F. in Chlorella sp." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/66330993399877452108.

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11

Loh, Chin-Hoe, and 羅健豪. "Determination and Preparation of Carotenoids and Chlorophylls in Taraxacum formosanum by Liquid Chromatography-Mass Spectrometry and Column Chromatography." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/78365860540805547081.

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碩士<br>輔仁大學<br>食品科學系<br>99<br>Taraxacum formosanum, a traditional Chinese herb, has been reported to possess pharmacological functions like antioxidative, anti-inflammatory and antimutagenic activities. In recent years the physiological studies have focused mainly on flavonoids, however, the other functional components like carotenoids and chlorophylls may also play a vital role. The objectives of this study were to determine the variety and content of carotenoids and chlorophylls in T. formosanum by using high performance liquid chromatography-diode array detection-mass spectrometry methods wi

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12

Mišurec, Jan. "Využití obrazové spektroskopie pro monitoring zátěže vegetace polutanty obsaženými v půdním substrátu Sokolovské hnědouhelné pánve." Doctoral thesis, 2018. http://www.nusl.cz/ntk/nusl-372561.

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Forests can be considered as one of the most important Earth's ecosystems not only because of oxygen production and carbon sequestration via photosynthesis, but also as a source of many natural resources (such as wood) and as a habitat of many specific plants and animals. Monitoring of forest health status is thus crucial activity for keeping all production and ecosystem functions of forests. The main aim of the thesis is development of an alternative approach for forest health status based on airborne hyperspectral data (HyMap) analysis supported by field sampling. The proposed approach tries

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13

Martins, Ana Margarida Ferreira. "Marine biorefinery: valorisation of algae into advanced products." Doctoral thesis, 2021. http://hdl.handle.net/10773/31353.

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The consumption paradigm is changing. Consumers are more attentive to what they consume and to the sustainability questions addressed to those products. This change was driven by the healthy label given to natural products but also by the urgent need to find more sustainable sources of raw materials and to implement processes as a way to mitigate climate changes, without compromising the quality and affecting the price of the final product. Pigments are compounds that can be obtained from various sources of biomass, being recognized by their numerous biological activities. Du

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14

Kuo, Fu-Shiu, and 郭甫旭. "Effects of Light Sources on Growth and Carotenoids Content of Photosynthetic Bacteria Rhodopseudomonas palustris." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/39696528163929525870.

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碩士<br>國立臺灣海洋大學<br>水產養殖學系<br>97<br>The influence of different light sources on the growth and carotenoid content of photosynthetic bacteria (Rhodopseudomonas palustris) was studied. For the experiment set up, 27 250ml flasks were used and 25ml (4.4×104 cell/ml ) photosynthetic bacteria solution per flask was added. Light intensity was set to 2000±100 lux. Eight light sources were used: incandescent lamp (IL), halogen lamp (HL), fluorescence lamp (FL), light-emitting diode (LED): LED white (LW), LED yellow (LY), LED red (LR), LED blue (LB), LED green (LG). Dark (DK) served as control. Each of th

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15

Cheng, Wei-Fang, and 鄭偉凡. "Effects of Light Sources on Growth and Carotenoids Content and Composition of the Photosynthetic Bacteria Rhodopseudomonas palustris, Rhodobacter sphaeroides, Rhodobacter capsulatus." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/26427732956755987728.

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碩士<br>國立臺灣海洋大學<br>水產養殖學系<br>100<br>Photosynthetic bacteria have a wide application, is rich in carotenoids, and can be used as probiotics in aquaculture. Since light source can affect the growth of photosynthetic bacteria and their carotenoid composition, this study used 8 light sources: light-emitting diode (LED) green (LG), blue (LB), red (LR), white (LW), yellow (LY), halogen light (HL), incandescent light (IL), and fluorescence (FL) to find out their effects on the growth and carotenoid content of 3 photosynthetic bacteria (Rhodobacter capsulatus, Rhodopseudomonas palustris, Rhodobacter sp

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16

Gomes, Renato Alexandre Silva. "Incorporação de compostos bioativos como corantes naturais na indústria farmacêutica." Master's thesis, 2018. http://hdl.handle.net/10284/7331.

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Os pigmentos naturais têm sido, cada vez mais, alvo de estudo pelas suas propriedades corantes e consequentes efeitos benéficos para a saúde. De facto, as indústrias alimentar, farmacêutica e cosmética procuram utilizar os pigmentos naturais em detrimento dos comumente usados (sintéticos), não só pelos seus benefícios como também no sentido de minimizar o impacto ambiental negativo que os corantes sintéticos podem provocar. Os corantes naturais assumem grande importância para a indústria farmacêutica por estarem associados a diversas propriedades biológicas. Os seus efeitos benéficos estão rel

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17

Reis, Helga Silva dos. "Avaliação do teor de pigmentos naturais em diferentes espécies de tomate cherry." Master's thesis, 2016. http://hdl.handle.net/10284/5800.

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Tem-se demonstrado que o elevado consumo de vegetais e frutas pode reduzir o risco de diversas doenças não transmissíveis. As propriedades benéficas desses alimentos têm sido atribuídas, em grande parte, à presença de nutrientes e de substâncias não-nutrientes, com propriedades biológicas reconhecidas. O estilo de vida é um dos fatores de maior influência na saúde e bem-estar, sendo a alimentação um dos seus pilares. Uma alimentação saudável e equilibrada pode contribuir para a melhoria da qualidade de vida. O tomate é parte integrante da alimentação humana, nomeadamente na dieta mediterrânic

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18

Silungwe, Henry. "Variation B-carotene content and physicochemical properties of orange-fleshed sweet potato (Ipomoea batatas (L.) Lam) cultivars grown in Limpopo Province, South Africa." Thesis, 2017. http://hdl.handle.net/11602/866.

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PhD (Agric) (Food Science and Technology)<br>Department Food Science and Technology<br>In recent years, there has been a lot of interest in orange fleshed sweet potato (OFSP) [Ipomoea batatas (L.) Lam] cultivar, as a cheaper source of vitamin A. In Southern Africa, reports have shown that one in every three children has deficiency in vitamin A. This study investigated the variations in β-carotene (vitamin A precursor) content among selected OFSP cultivars grown in Limpopo Province, South Africa. In addition, the study investigated the effects of location on functional properties, total caroten

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19

Panchártek, Daniel. "Analýza parametrů, u nichž se předpokládá souvislost se suchovzdorností, u různých genotypů čiroku." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-322066.

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The aims of this work were 1) to assess whether sorghum (Sorghum bicolor (L.) Moench) genotypes originating from the India can be grown and analyzed in the climatic conditions of central Europe and 2) to find out the utilization potential of selected non- destructive and destructive methods based mostly on the chlorophyll a fluorescence measurements and the determination of photosynthetic pigments' content for the differentiation of sorghum genotypes based on their presumed drought tolerance. Field experiments made during 2 years compared 15 genotypes of this species (2 stay-green parental lin

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