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Maria-Nieves Criado et al.
Food chemistry, 110(4), 873-880 (2008-10-15)
Monovarietal virgin olive oils are labelled with the olive varieties giving them their distinctive character. There are numerous studies focussed on the characterisation and quantification of the minor fractions of virgin olive oils that have generated databases on varietal olive...
Weston L Testo et al.
American journal of botany, 99(11), 1840-1846 (2012-11-08)
A central goal of plant ecophysiological studies is to generate patterns of physiological behavior that are applicable to a species, which can be complicated when plant size is considered. Studies indicate that plant size can influence numerous ecophysiological parameters, especially...
Accumulation of heat shock proteins and dehydrins in the needles of scotch pine at the early stage of the PS II photoinhibition during the autumn adaptation of plants to winter conditions.
V E Sofronova et al.
Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections, 443, 113-116 (2012-05-09)
Hrvoje Fulgosi et al.
Tree physiology, 32(3), 346-354 (2012-03-20)
The fate of chloroplast DNA (cpDNA) during plastid development and conversion between various plastid types is still not very well understood. This is especially true for the cpDNA found in plastids of naturally senescing leaves. Here, we describe changes in...
Rafia Azmat
Current pharmaceutical biotechnology, 14(9), 829-834 (2014-01-01)
The effect of mixed inoculums of VAM (Vesicular Arbuscular Mycorrhizas) fungi on seed growth and photosynthetic apparatus in green house was monitored. The plants were watered daily with tap water. Plants were cultivated in natural environment in mid of March...
The role of naturally occurring chlorophyll and porphyrins in light-induced oxidation of dairy products. A study based on fluorescence spectroscopy and sensory analysis
Wold JP, et al.
International dairy journal, 15(4), 343-353 (2005)
On the limits of applicability of spectrophotometric and spectrofluorimetric methods for the determination of chlorophyll a/b ratio
Kouril R, et al.
Photosynthesis Research, 62(1), 107-116 (1999)
Carole Jubert et al.
Journal of chromatography. A, 1140(1-2), 95-100 (2006-12-14)
A method for the isolation of chlorophylls from spinach by counter-current chromatography was developed. An initial extraction protocol was devised to avoid the notorious sensitivity of chlorophylls to degradation by light, heat, oxygen, acids and bases. Further purification and separation...
Nikos Tzortzakis et al.
TheScientificWorldJournal, 2012, 285874-285874 (2012-06-01)
The possible use of municipal solid waste compost (MSWC) in the production of marigold and basil seedlings examined. Six medium prepared from commercial peat (CP) and MSWC (0, 15, 30, 45, 60, and 100% v/v). There was not any plant...
Emine Dinç et al.
Biochimica et biophysica acta, 1817(5), 770-779 (2012-02-22)
The effects of changes in the chlorophyll (chl) content on the kinetics of the OJIP fluorescence transient were studied using two different approaches. An extensive chl loss (up to 5-fold decrease) occurs in leaves suffering from either an Mg(2+) or...
A Tanaka et al.
Proceedings of the National Academy of Sciences of the United States of America, 95(21), 12719-12723 (1998-10-15)
Chlorophyll b is an ubiquitous accessory pigment in land plants, green algae, and prochlorophytes. Its biosynthesis plays a key role in the adaptation to various light environments. We isolated six chlorophyll b-less mutants by insertional mutagenesis by using the nitrate...
Lars Hederstedt
Biochimica et biophysica acta, 1817(6), 920-927 (2012-04-10)
Respiration in plants, most animals and many aerobic microbes is dependent on heme A. This is a highly specialized type of heme found as prosthetic group in cytochrome a-containing respiratory oxidases. Heme A differs structurally from heme B (protoheme IX)...
Mautusi Mitra et al.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 367(1608), 3430-3443 (2012-11-14)
Truncated light-harvesting antenna 1 (TLA1) is a nuclear gene proposed to regulate the chlorophyll (Chl) antenna size in Chlamydomonas reinhardtii. The Chl antenna size of the photosystems and the chloroplast ultrastructure were manipulated upon TLA1 gene over-expression and RNAi downregulation....
Chin Hoe Loh et al.
Journal of agricultural and food chemistry, 60(24), 6108-6115 (2012-06-05)
Taraxacum formosanum, a well-known Chinese herb shown to be protective against hepatic cancer as well as liver and lung damage, may be attributed to the presence of abundant carotenoids and chlorophylls. However, the variety and content of chlorophylls remain uncertain....
Sunita Kataria et al.
Plant science : an international journal of experimental plant biology, 196, 85-92 (2012-09-29)
A field study was conducted to investigate the impact of ambient solar UV on the various growth, physiological and yield parameters of four sorghum (Sorghum bicolor L.) varieties-Indore-12, Indore-26, CSV-23 and Indore-27 by excluding either UV-B (<315 nm) or UV-A/B...
Chlorophyll and colour changes in grapevine leaves preserved by passive modification
K?rca A, et al.
European Food Research and Technology, 223(3), 387-393 (2006)
Dominik Kröner et al.
Journal of photochemistry and photobiology. B, Biology, 109, 12-19 (2012-02-07)
Collecting energy for photosystem II is facilitated by several pigments, xanthophylls and chlorophylls, embedded in the light harvesting complex II (LHCII). One xanthophyll, violaxanthin (Vio), is loosely bound at a site close to a chlorophyll b (Chl). No final answer...
P G Luo et al.
Plant, cell & environment, 36(3), 683-696 (2012-09-05)
CN17 is a functional stay-green wheat variety that exhibits delayed leaf senescence and enhanced photosynthetic competence. To better understand these valuable traits, levels of chlorophyll a and b, soluble proteins, unsaturated fatty acids, and other components of CN17 were assayed....
Osamu Matsuda et al.
Plant & cell physiology, 53(6), 1154-1170 (2012-04-04)
The spectral reflectance signature of living organisms provides information that closely reflects their physiological status. Because of its high potential for the estimation of geomorphic biological parameters, particularly of gross photosynthesis of plants, two-dimensional spectroscopy, via the use of hyperspectral...
María S Vera et al.
Bulletin of environmental contamination and toxicology, 93(4), 399-404 (2014-08-19)
We investigated the potentially different effects of one of the most commonly used glyphosate formulations in Argentina, Glifosato Atanor(®), and the technical-grade glyphosate on the pigment content, as biomass indicators of the algal fraction in a freshwater periphytic community. A...
Juliana Janet M Puzon et al.
Environmental monitoring and assessment, 186(10), 6889-6901 (2014-07-11)
Eichhornia crassipes (Mart.) Solms. plantlets were grown in 0.1 and 1.0 ppm treatment solutions of Hoagland's hydroponic solutions modified with Hg(NO₃)2 in order to examine the specific cellular and biochemical mechanisms involved in the tolerance of this plant exposed to...
Mariusz Pilch et al.
Biochimica et biophysica acta, 1827(1), 30-37 (2012-09-22)
In the Ni-substituted chlorophylls, an ultrafast (<60 fs) deactivation channel is created, which is not present in Ni-porphyrins. This observation prompted us to investigate in detail the mechanism of excitation-to-heat conversion in Ni-substituted chlorophylls, experimentally, using time-resolved laser-induced optoacoustic spectroscopy...
A Ruiz-Martinez et al.
Bioresource technology, 126, 247-253 (2012-10-18)
This study investigated the removal of nitrogen and phosphorus from the effluent of a submerged anaerobic membrane bioreactor (SAnMBR) by means of a lab-scale photobioreactor in which algae biomass was cultured in a semi-continuous mode for a period of 42...
Lipid peroxidation and chlorophyll levels in spinach during refrigerated storage and after industrial processing
Lopez-Ayerra B, et al.
Food Chemistry, 61(1-2), 113-118 (1998)
Praveen Guleria et al.
Gene, 539(2), 250-257 (2014-02-13)
The transcript expression of a gene SrUGT85C2 has been documented for direct relation with steviol glycoside content in Stevia plant. Steviol glycoside and gibberellin biosynthetic routes are divergent branches of methyl erythritol-4 phosphate (MEP) pathway. So, SrUGT85C2 might be an...
Ajaya K Biswal et al.
Plant physiology, 159(1), 433-449 (2012-03-16)
Chlorophyll b is synthesized by the oxidation of a methyl group on the B ring of a tetrapyrrole molecule to a formyl group by chlorophyllide a oxygenase (CAO). The full-length CAO from Arabidopsis (Arabidopsis thaliana) was overexpressed in tobacco (Nicotiana...
Xuqiang Qiao et al.
Bulletin of environmental contamination and toxicology, 93(2), 251-255 (2014-06-16)
Photochemical responses in the thylakoid membrane of Nymphoides peltatum to increasing lead (Pb) concentrations were investigated after 5 days of exposure. Pb accumulation increased in a concentration-dependent manner, with a maximum of 118.44 μg g(-1) at 100 μM. Nutrients (Zn...
Yasuhito Sakuraba et al.
Plant & cell physiology, 53(3), 505-517 (2012-01-31)
Leaf senescence is a developmentally and environmentally regulated process which includes global changes in gene expression. Using Arabidopsis as a model, we modified Chl arrangement in photosystems by overexpressing the catalytic domain (the C domain) of chlorophyllide a oxygenase (CAO)...
Nakyung Kim et al.
Journal of food science, 77(11), C1185-C1191 (2012-10-13)
This study investigated the oxidative stability and antioxidants changes in diacylglycerol (DAG)-rich oil under singlet oxygen. DAG-rich oil was derived from triacylglycerol (TAG) oil of extra virgin olive and perilla oil mixture by hydrolysis and re-esterification using lipases. The oxidation...
Ledan Huang et al.
Chirality, 24(8), 610-614 (2012-06-26)
Enantioselectivity in ecotoxicity of chiral pesticides in the aquatic environment has been a subject of growing interest. In this study, the toxicological impacts of hexaconazole enantiomers were investigated with freshwater algae Scenedesmus obliquus. After 96 h of exposure, the EC(50)...
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