Academic literature on the topic 'Cinnamyl group'

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Journal articles on the topic "Cinnamyl group"

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Shinde, Sunil B., and Raj M. Deshpande. "Catalytic Hydrogenation of Cinnamic Acid and Salicylic Acid." Asian Journal of Chemistry 32, no. 2 (2019): 339–41. http://dx.doi.org/10.14233/ajchem.2020.22393.

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Hydrogenation of cinnamic acid and salicylic acid was carried out using 5 %Ru/C, 5 % Pd/C and Ru-Sn/Al2O3 catalyst at 493 K and 6.89 MPa of hydrogen partial pressure. Ru-Sn/Al2O3 catalyst was found to be active for hydrogenation -COOH group to give cinnamyl alcohol. The selectivity to cinnamyl alcohol was low (15 %) as absolute inhibition of C=C bond hydrogenation in cinnamic acid is challenging. 5 %Pd/C catalyst was found to hydrogenate C=C bond and aromatic ring in cinnamic acid. 5 %Ru/C catalyst was found to be least selective catalyst as it hydrogenated C=C bond, aromatic ring and -COOH gr
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Ravilla, Lokesh, N. Venkata subba Naidu, Shalini Dogra, et al. "Opioid Receptor Modulators with a Cinnamyl Group." Journal of Medicinal Chemistry 60, no. 15 (2017): 6733–50. http://dx.doi.org/10.1021/acs.jmedchem.7b00643.

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Kaur, Pushpinder, Pralay Das, Abha Chaudhary та Bikram Singh. "Naturally Occurring Limonene to Cinnamyl-type γ-Butyrolactone Substituted Aldol Condensation Derivatives as Antioxidant Compounds". Natural Product Communications 7, № 9 (2012): 1934578X1200700. http://dx.doi.org/10.1177/1934578x1200700903.

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A method has been developed for the synthesis of γ-butyrolactone substituted cinnamyl type Aldol condensation products under milder proline and triethylamine basic conditions. The antioxidant activity of all the synthesized compounds was assessed using three different assays. The cinnamyl type derivatives of γ-butyrolactone bearing an -OH group in the benzene ring exhibited excellent antioxidant activity.
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Ho, Su-Chen, Yi-Huang Chang та Ku-Shang Chang. "Structural Moieties Required for Cinnamaldehyde-Related Compounds to Inhibit Canonical IL-1β Secretion". Molecules 23, № 12 (2018): 3241. http://dx.doi.org/10.3390/molecules23123241.

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Suppressing canonical NOD-like receptor protein 3 (NLRP3) inflammasome-mediated interleukin (IL)-1β secretion is a reliable strategy for the development of nutraceutical to prevent chronic inflammatory diseases. This study aimed to find out the functional group responsible for the inhibitory effects of cinnamaldehyde-related compounds on the canonical IL-1β secretion. To address this, the suppressing capacities of six cinnamaldehyde-related compounds were evaluated and compared by using the lipopolysaccharide (LPS)-primed and adenosine 5′-triphosphate (ATP)-activated macrophages. At concentrat
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Benkovics, Gabor, Ondrej Hodek, Martina Havlikova та ін. "Supramolecular structures based on regioisomers of cinnamyl-α-cyclodextrins – new media for capillary separation techniques". Beilstein Journal of Organic Chemistry 12 (19 січня 2016): 97–109. http://dx.doi.org/10.3762/bjoc.12.11.

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This work focuses on the preparation and application of supramolecular structures based on mono-cinnamyl-α-cyclodextrins (Cin-α-CD). Pure regioisomers of Cin-α-CD having the cinnamyl moiety at the 2-O- or at the 3-O-position, respectively, were prepared, characterized and applied in capillary electrophoresis as additives to the background electrolyte. These new monomer units with a potential to self-organize into supramolecular structures were synthesized via a straightforward one-step synthetic procedure and purified using preparative reversed-phase chromatography allowing a large scale separ
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Fleming, S. A., L. Renault, E. C. Grundy, and J. A. Pincock. "The photochemistry of ring-substituted cinnamyl acetates." Canadian Journal of Chemistry 84, no. 9 (2006): 1146–54. http://dx.doi.org/10.1139/v06-140.

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The photochemistry of the (E)-cinnamyl acetates ((E)-1-aryl-3-propenyl acetates, 8a–8e) with substituents H, 4-CH3O, 3-CH3O, 4-CF3, and 3-CF3, respectively, was examined in both cyclohexane and methanol solvents. Alkene isomerization (E to Z) occurred more efficiently than other reactions and evidence is presented that this process occurs from the excited triplet state. In a slower process, 1,3-migration of the acetoxy group led to the rearranged 3-aryl-3-propenyl acetate isomers (9a–9e) as the major pathway, particularly in cylohexane. In methanol, the isomeric ethers 3-aryl-3-methoxypropene
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Le, Xuan Minh, Khanh Duy Nguyen, Khoa Dang Tran, Tuan Quoc Tran, and Nghiep Dai Ngo. "Inhitive ability collagenase of N-(cinnamyl) chitooligosaccharide derivative." Science and Technology Development Journal 20, K3 (2017): 83–91. http://dx.doi.org/10.32508/stdj.v20ik3.1096.

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Chitooligosaccharides (COS) with molecular weight 4633 Da and 84.67% of deacetylation were synthesized by hydrolysis of chitosan by cellulase at room temperature (33 ± 1 ° C). This COS, then, were chemically modified by grafting cinnamaldehyde at amino groups on the COS. Derivatives of N- (cinnamyl) chitooligosaccharides (CCOS) synthesized with 50.64% of yield and 72.22% of extent of substitution had inhibitory activity enzyme collagenase (a group of matrix metalloproteinases, enzyme family related to metastatic ability of cancer). Compared with the positive control, 58.23% of the effective to
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Chen, Guanfan, Chenzhong Cao, Bin Sheng, Yun Zhu, Zhenxing Wu та Xiangsi Wu. "Substituent effect study onδcvalues of the bridge group carbons in disubstituted cinnamyl aniline series". Journal of Physical Organic Chemistry 25, № 10 (2012): 828–34. http://dx.doi.org/10.1002/poc.2923.

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Ichikawa, Yoshiyasu, Tomoyuki Hasegawa, Takahiro Minami, et al. "Further Development of the Tin-Catalyzed Transcarbamoylation Reaction." Synthesis 52, no. 16 (2020): 2373–78. http://dx.doi.org/10.1055/s-0040-1708020.

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Studies carried out to further develop tin-catalyzed trans­carbamoylation reactions demonstrated that transcarbamoylation of cinnamyl alcohol in the context of allyl cyanate-to-isocyanate rearrangement can be efficiently carried out on a ten-gram scale and that tin-­catalyzed transcarbamoylation is a valuable alternative to the method using trichloroacetyl isocyanate. In addition, methyl carbamate was found to be an economical carabamoyl donor in tin-catalyzed transcarbamoylation, which showed broad functional group tolerance and allowed a streamlined workup procedure. Finally, a unique synthe
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Hashimoto, Toru, Kei Funatsu, Atsufumi Ohtani, Erika Asano, and Yoshitaka Yamaguchi. "Cross-Coupling Reaction of Allylic Ethers with Aryl Grignard Reagents Catalyzed by a Nickel Pincer Complex." Molecules 24, no. 12 (2019): 2296. http://dx.doi.org/10.3390/molecules24122296.

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A cross-coupling reaction of allylic aryl ethers with arylmagnesium reagents was investigated using β-aminoketonato- and β-diketiminato-based pincer-type nickel(II) complexes as catalysts. An β-aminoketonato nickel(II) complex bearing a diphenylphosphino group as a third donor effectively catalyzed the reaction to afford the target cross-coupled products, allylbenzene derivatives, in high yield. The regioselective reaction of a variety of substituted cinnamyl ethers proceeded to give the corresponding linear products. In contrast, α- and γ-alkyl substituted allylic ethers afforded a mixture of
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Dissertations / Theses on the topic "Cinnamyl group"

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Tunc, Deniz. "Synthesis of functionalized polyamide 6 by anionic ring-opening polymerization." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0178/document.

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Les études présentées dans le cadre de cette thèse visent à copolymériser l'ԑ-caprolactame (CL) avec différents dérivés de l'α-amino-ԑ-caprolactame (qui possèdent une amine primaire fonctionnalisable) par polymérisation anionique par ouverture de cycle. En utilisant cette stratégie, nous décrivons; (i) la préparation de polyamides 6 fluorés thermiquement plus stables, et ayant une surface hydrophobe; (ii) la synthèse de polyamides 6 portant des groupes pendants cinnamoyl thermo et photosensibles. Une réticulation réversible est observée ainsi que l'amélioration des propriétés thermo-mécaniques
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Liu, Shih-Wen, and 劉士雯. "Observation of PBG of Cholesteric Liquid Crystals ﹠FTIR-ATR Characteristics of Cinnamoyl Group-containing and Azobenzene-containing Polymer." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/7yj3aw.

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碩士<br>國立臺北科技大學<br>有機高分子研究所<br>93<br>PART І The cinnamoyl chloride can induce the photo-dimerization reaction under linear-polarized UV light,and it will cause the arrangement of cinnamoyl chloride bonded to the polyimide. The arrangement of (Cinnamoyl chloride + PI) is studied by the polarized ATR (Attenuated Total Reflection ) . However,we also discuss the trans-cis photo-isomerization of the azobenzene dye which is chemically bonded to the polyimide under non-polarized UV light . The arrangement of the new type of azobenzene under non-polarized UV light is also studied,and the three dimensio
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Hsu, Miin-Hua, and 徐敏華. "Synthesis of Discotic Compounds Containing Acrylate and Cinnamoyl Side Groups for Application of Liquid Crystal Photo Alignment Layers." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/14000388148501934234.

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碩士<br>國立交通大學<br>應用化學系<br>90<br>The goal of this study is to synthesize two discotic compounds containing acrylate (HTP6Ac) and cinnamoyl (HTP6Ci) side groups which are used for the application of photo-alignment layers in liquid crystal display (LCD). These compounds were coated on ITO glass substrates and irradiated with linearly polarized UV light (LPUV), and their photo-alignment capability was compared with that of their corresponding discotic compounds containing epoxy(HTP11Ep) and coumarin(HTP11Cu) side groups in terms of thermal stability, photo stability, pretilt angle and twist anchor
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Books on the topic "Cinnamyl group"

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Buchner, Magnus R. Eta^2 Complexes of group 10 with cinnamic acid derivatives; spectroscopic properties, stability, reactivity and application potential as photo-switchable Catalysts. Logos Verlag Berlin, 2011.

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Book chapters on the topic "Cinnamyl group"

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Pandit, Bishnu Hari, Netra Kumari Aryal, and Hans-Peter Schmidt. "Social-Ecological Transformation Through Planting Mixed Tree Species on Abandoned Agricultural Land in the Hills of Nepal." In Fostering Transformative Change for Sustainability in the Context of Socio-Ecological Production Landscapes and Seascapes (SEPLS). Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6761-6_5.

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AbstractA project entitled, “Building village economies through climate farming &amp; forest gardening” (BeChange) was implemented in four municipality areas of the Tanahun and Lamjung districts of Nepal from May 2015. In order to assess changes in the social-ecological system that result from this project targeting abandoned agricultural lands, this case study was conducted using various methods: triad grouping, GPS point surveys, household surveys, focus group discussions (FGDs), field observation and reports. A participatory approach in reforestation on abandoned agricultural land with intr
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Chandula Weerasekera, Asel, Kanchana Samarasinghe, Heethaka Krishantha Sameera de Zoysa, Thushara Chathuranga Bamunuarachchige, and Viduranga Yashasvi Waisundara. "Cinnamomum zeylanicum: Morphology, Antioxidant Properties and Bioactive Compounds." In Antioxidants - Benefits, Sources, Mechanisms of Action. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97492.

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Cinnamomum zeylanicum is one of the oldest spices used for culinary purposes in Asian countries. Its extracts have demonstrated a positive impact on controlling the progression of disease pathologies due to antioxidant, anti-inflammatory, antimicrobial, anticancer, anti-mutagenic, anti-tyrosinase and antidiabetic characteristics. C. zeylanicum also has its unique variations which makes it necessary to distinguish it from other species of cinnamon. Phenolic compounds such as cinnamaldehyde, eugenol, carvacrol, cinnamic acetate and thymol are the main compounds that can be found in essential oil
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Vaz-Deville, Kim. "“True Doll Stories”." In Walking Raddy. University Press of Mississippi, 2018. http://dx.doi.org/10.14325/mississippi/9781496817396.003.0002.

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Resa Bazile is an important voice in the current Baby Doll tradition. Cinnamon Black is an entertainer, a queen in the Fi Yi Yi Mandigo Warriors Mardi Gras Indian tribe, a Voodoo practitioner and reader at the New Orleans Historic Voodoo Museum in New Orleans, and a cultural consultant for documentaries, film industry projects, and media outlets. With her finger on the pulse of New Orleans’ past and present spiritual and cultural heritage, this interview with Resa, who is best known as “Cinnamon Black,” delves into the meaning of the Baby Doll tradition, her group, the Treme Million Dollar Bab
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Roy, Tina, Sweta Arora, Shreyansi Das, Nilasish Pal, and Nirmalendu Das. "The Plant Proteases-A Group of Potential Pharmacological, Biotechnological, and Industrially Important Enzymes." In The Chemistry inside Spices & Herbs: Research and Development. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815196832124040010.

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Proteases play an active role in all living organisms. In plants, they exhibit essential roles in various biological processes throughout the life cycle by proteolysis, like cell growth and development, differentiation, seed germination, reproduction, senescence, development of stomata, chloroplast biogenesis, apoptosis, plant resistance, etc. Nowadays, it is a well-known group of enzymes for its industrial and therapeutic values. Plant proteases viz. papain (papaya), bromelain (pineapple), ficin (fig tree), and cucumisin (melon) are well-characterized proteases that have medicinal values for
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Shimon, L. J. W., M. Vaida, L. Addadi, M. Lahav, and L. Leiserowitz. "The effect of solvent-surf ace interactions on crystal growth and dissolution." In Organic Crystal Chemistry. Oxford University PressOxford, 1991. http://dx.doi.org/10.1093/oso/9780198553830.003.0006.

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Abstract The effect of solvent on crystal growth and dissolution studied by two stereochemical strategies is described1. The first approach involved the growth of N-(E-cinnamoyl)-(S)-alanine from acetic acid and of three crystalline hydrates (asparagine-H2O, rhamnose-H2O and S-lysine-HC1-2H2O) in the presence of primary alcohols as 11tailor-made11 solvents. It was demonstrated that stereospecific adsorption of the tailor-made solvent at a particular face inhibits its growth. The second approach, concerned the growth and dissolution of hemihedral faces at the opposite ends of the polar axes of
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Forest, Félix, and Mark W. Chase. "Magnoliids." In The Timetree of Life. Oxford University PressOxford, 2009. http://dx.doi.org/10.1093/oso/9780199535033.003.0017.

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Abstract The magnoliid clade attaches to one of the basal-most nodes in the angiosperm tree and comprises four orders, Magnoliales, Laurales, Piperales, Canellales, and a total of ca. 8000 species grouped in 20 families, of which Piperaceae (black pepper family; 3000 species), Lauraceae (laurel family; 2500 species), and Annonaceae (custard-apple family; 1200 species) are by far the largest (1). Many species in this group are widely cultivated as ornamentals (e.g., Magnolia, Magnoliaceae (Fig. 1); Peperomia, Piperaceae) for spices and Pavorings such as nutmeg (Myristica, Myristicaceae), cinnam
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Bourdon, Allen K., Greg Villareal, George Perry, and Clyde F. Phelix. "Alzheimer's and Parkinson's Disease Novel Therapeutic Target." In Research Anthology on Diagnosing and Treating Neurocognitive Disorders. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-3441-0.ch021.

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Thiazolidinedione (TZD) drugs (Takeda Pharmaceuticals and Metabolic Solutions Development Company) targeting inhibition of the mitochondrial pyruvate carrier (MPC) are currently being tested in clinical trials to prevent progression into mild cognitive impairment of Alzheimer's disease (AD) or in the pipeline to prevent neurodegeneration in Parkinson's disease (PD). These have Ki values in the µM range. This study was focused on identifying candidate drug precursors of the natural cinnamic acid products that might have good bioavailability in the nM ranges forming covalent thiol bonds with tar
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Strier, Karen B. "Life Histories, Unsolved Mysteries." In Faces In The Forest. Oxford University PressNew York, NY, 1992. http://dx.doi.org/10.1093/oso/9780195063394.003.0007.

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Abstract One spring morning in 1990 I was watching Louise as she swung into a small legume tree next to the trail, and began eating the tiny young leaves sprouting from the branch tips. The rest of the group was scattered along the slope below her. Nilo, a young adult male, crossed into the tree to feed with Louise. He spotted some fresh shoots growing out of the ground, and descended the trunk to sit on the trail within a meter from where I stood. With a quick glance at me as I slowly sank down beside him, he began gently pulling handfuls of the tender shoots into his mouth. He was close enou
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Nandhini, M., Harini R R, K. Nithyakalyani, Pavithra J, and Voleti Vijaya Kumar. "A REVIEW ON DIETARY SUGGESTIONS DURING COVID-19." In Futuristic Trends in Medical Sciences Volume 3 Book 12. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bfms12p1ch1.

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The review focused on the plant based foods for enhancing the immunity of all age groups against COVID-19. The world Health Organization (WHO) declared the COVID-19 as global pandemic, while thousands of infections and deaths are reported daily. This review provides insights about the properties of bioactive ingredients of foods and herbs for the support of the human immune system. There are a lot of traditional food items which can increase the immunity with an additional benefit of some antiviral properties. Dietary supplementation with vitamins C and D, as well as various minerals like zinc
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Reports on the topic "Cinnamyl group"

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Yibchok-anun, Sirintorn, and Nattaya Ngamrojanavanich. Structure-activity relationships of trans-cinnamic acid derivatives on inhibitions of alpha-glucosidase. Chulalongkorn University, 2004. https://doi.org/10.58837/chula.res.2004.86.

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Trans-Cinnamic acid and its derivatives were investigated for the a-glucosidase inhibitiory activity. 4-methoxy-trans-cinnamic acid and 4-methoxy-trans-cinnamic acid ethyl ester showed the highest potent inhibitory activity among those of trans-cinnamic acid derivatives. The presence of substituents at 4-position in trans-cinnamic acid derivatives. The presence of substituents at 4-position in trans-cinnamic acid altered the a-glucosidase inhibitory activity. Increasing of bulkiness and the chain length of 4-alkoxy substituents as well as the increasing of the electron withdrawing group have b
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Yibchok-anun, Sirinthorn, Wijit Banlunara, and Sirichai Adisakwattana. Antidiabetic effects, mechanisms of of p-methoxy-trans-cinnamic acid. Faculty of Veterinary Science, Chulalongkorn University, 2008. https://doi.org/10.58837/chula.res.2008.81.

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p-Methoxycinnamic acid (p-MCA) is a cinnamic acid derivative that shows various pharmacologic actions such as neuroprotective and hepatoprotective activities. To examine the insulinotropic activity of p-MCA, the perfused rat pancreas and a pancreatic β-cell line, INS-1 were used in the studies. P-MCA increased insulin secretion from the perfused rat pancreas and INS-1 cells in a concentration-dependent manner. In addition, p-MCA increased intracellular Ca²⁺ concentration ([Ca²⁺]i) in INS-1 cells. The p-MCA-induced insulin secretion and rise in [Ca²⁺]i were markedly inhibited in the absence of
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Dudareva, Natalia, Alexander Vainstein, Eran Pichersky, and David Weiss. Integrating biochemical and genomic approaches to elucidate C6-C2 volatile production: improvement of floral scent and fruit aroma. United States Department of Agriculture, 2007. http://dx.doi.org/10.32747/2007.7696514.bard.

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The specific objectives of approved proposal include to: 1. Elucidate the C6-C2 biochemical pathways leading to the biosynthesis of phenylacetaldehyde, phenylethyl alcohol and phenylethyl acetate in floral tissues of ornamentally important plants, pefunia and roses. 2. Isolate and characterrze genes responsible for the production of these C6-C2 compounds and those involved in the regulation of the pathway using genomic and transcriptomic tools. 3. Determine whether altering the expression of key genes of this pathway can result in changing the aroma characteristics of flowers. Aldehydes are in
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