aminophenol definition
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- p- aminophenol. /p- ami·no·phe·nol/ (-fe´nol) a dye intermediate and photographic developer and the parent compound of acetaminophen; it is a potent allergen that causes dermatitis, asthma, and methemoglobinemia. Want to thank TFD for its existence?
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Phenylalanine Phenylalanine is an essential amino acid that occurs as a constituent of many proteins and is normally converted to tyrosine in the body. Phenylalanine is part of the composition of aspartame, a common sweetener found in prepared foods (particularly soft drinks, and gum).
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amino acid noun, Biochemistry. 1. any of a class of organic compounds that contains at least one amino group, –NH 2 , and one carboxyl group, –COOH: the alpha-amino acids, RCH(NH 2)COOH, are the building blocks from which proteins are constructed. Compare essential amino acid.
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- Medical Definition of CHLOROPHYLL. 1. : the green photosynthetic coloring matter of plants found in chloroplasts and made up chiefly of a blue-black ester C55H72MgN4O5 and a dark green ester C55H70MgN4O6—called also chlorophyll a, chlorophyll b.2. the green photosynthetic pigment found chiefly in the chloroplasts of plants and occurring especially as a blue-black ester C55H72MgN4O5 or a dark green ester C55H70MgN4O6 —called also chlorophyll a, chlorophyll b. 2.
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4-Nitrophenol Uses[edit] 1  4-Nitrophenol is an intermediate in the synthesis of paracetamol. It is reduced to 4-aminophenol, then acetylated with acetic anhydride.  4-Nitrophenol is used as the precursor for the preparation of phenetidine and acetophenetidine, indicators, and raw materials for fungicides.
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The Power of Polyphenols? Simply stated, polyphenols are naturally occurring compounds that give plants color and protect them from disease and other environmental threats and/or help them recover from injury. They’re a type of phytochemical found in plant foods like spices, fruits and vegetables, seeds and legumes.
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Phenylalanine Phenylalanine (US: /ˌfɛnəlˈæləniːn/, UK: /ˌfiːnaɪlˈæləniːn/; abbreviated as Phe or F) is an α-amino acid with the formula C. 9H. 11NO. 2. It can be viewed as a benzyl group substituted for the methyl group of alanine, or a phenyl group in place of a terminal hydrogen of alanine.
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Polyphenol The need to clarify the definition of 'polyphenols' in the light of the extensive research into this large substance class and of increasingly ambiguous use of the polyphenol term led Stéphane Quideau, Bordeaux 1 University, France, to offer a definition not given formal status by IUPAC:
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Para-Aminophenol p-HOC6H4NO2 A phenol in which an amino (‒NH2) group is located on the benzene ring of carbon atoms para (p) to the hydroxyl (‒OH) group; used as a photographic developer and as an intermediate in dye manufacture. the Para isomer of aminophenol. White crystals, melting point 186°C. The structure of Para-aminophenol is.
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Phenylethylamine Review: How Does This Love Drug Work? Phenylethylamine is a natural neuroamine sometimes abbreviated as PEA. This substance is basically a derivative of the amino acid Phenylalanine, falling into the category of monoamine alkaloids. It occurs in the nervous system of humans and other mammals, functioning as a neurotransmitter or a neuromodulator.
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How are polyphenols good for my health? Polyphenols are plant chemicals rich in antioxidants, which can reduce inflammation in the body and promote heart health. Watch nutritionist Janet Brill, PhD/RD, discuss the benefits of polyphenols, and how they are found in wine and chocolate.olyphenols are a group of antioxidant compounds derived from plants -- notably found in coffee -- that can protect our cells and reduce inflammation in the body.
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Polyphenols - What They Are, and Why You Need Them By Dr. Mercola. Polyphenols are phytochemicals, meaning compounds found abundantly in natural plant food sources that have antioxidant properties. There are over 8,000 identified polyphenols found in foods such as tea, wine, chocolates, fruits, vegetables, and extra virgin olive oil, just to name a few. Polyphenols play an important role in maintaining your health and wellness.
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- Ethephon definition, a solid compound, C 2 H 6 ClO 3 P, used as a growth regulator to accelerate the ripening of tomatoes, citrus fruit, apples, and other crops. See more. Dictionary.com
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Phenol Electron donating groups like amino (-NH 2), alkyl (-R) decreases the acidity of phenol. For example, cresol or methylphenols are less acidic compare to phenol due to positive inductive effect as well as hyperconjugation of methyl group.
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Polyphenol Generally foods contain complex mixtures of polyphenols. According to a 2005 review on polyphenols: The most important food sources are commodities widely consumed in large quantities such as fruit and vegetables, green tea, black tea, red wine, coffee, chocolate, olives, and extra virgin olive oil.
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Phenol Phenol - Occurrences. 1  Phenol is a normal metabolic product, excreted in quantities up to 40 mg/L in human urine. [33] 2  The temporal gland secretion of male elephants showed the presence of phenol and 4-methylphenol during musth. [38] [39] 3  It is also one of the chemical compounds found in castoreum.
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xenon Definition of xenon. : a heavy colorless and relatively inert gaseous element that occurs in air as about one part in 20 million and is used especially in specialized electric lamps (such as flashtubes) and in scientific research — see element table.
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Phenylalanine Phenylalanine. Phenylalanine is an essential amino acid that occurs as a constituent of many proteins and is normally converted to tyrosine in the body. Phenylalanine is part of the composition of aspartame, a common sweetener found in prepared foods (particularly soft drinks, and gum).-phenylalanine is the enantiomer of L-phenylalanine. D-phenylalanine is a nonprotein amino acid, meaning that it does not participate in protein biosynthesis. L-phenylalanine (LPA) serves as a building block for the various proteins that are produced in the body.
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- noun, Biochemistry. 1. a pigment containing melanin, found in bird feathers. Origin of eumelanin. eu- + melanin.
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- In the search for less toxic compounds, para-aminophenol was tried in the belief that the body oxidized acetanilide to this compound. Toxicity was not lessened, however, and a number of chemical derivatives of para-aminophenol were then tested. One of the more satisfactory of these was phenacetin (acetophenetidin).
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Characterization and Evaluation of Aminocyclopyrachlor on Native and Invasive Species of Florida 12 Abstract of Thesis Presented to the Graduate Schoo l of the University of Florida in Partial Fulfillment of the Requirements for the Degree of Master of Science CHARACTERIZATION AND EVALUATION OF AMINOCYCLOPYRACHLOR ON NATIVE AND INVASIVE SPECIES OF FLORIDA By Anna Lin Greis May 2012 Ch air: Greg MacDonald Major: Agronomy Aminocyclopyrachlor is a synthetic auxin herbicide proposed for invasive species management and the release or restoration of native perennial grasses. As a component to natural areas restoration, it is also beneficial to understand the impact that herbicide residues have on native plant species.
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- Definition of phenolic. 1  1a : of, relating to, or having the characteristics of a phenolb : containing or derived from a phenol. 2  2 : of, relating to, or being a phenolic.
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phenolic resin glue Definition. An adhesive used for bonding exterior plywood. Phenolic resin is produced in a reaction between phenol and formaldehyde.
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pheno- pheno-. 1. a combining form meaning “shining,” “appearing, seeming”: phenocryst. 2. a combining form used in the names of chemical compounds that contain phenol or the phenyl group, are related to aromatic compounds, or derive from benzene: phenobarbital.
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xenon Definition of xenon for English Language Learners. : a chemical element that is a colorless gas and that is used especially in electric lights.
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Polyphenol Polyphenols[1][2] (noun, pronunciation of the singular /pɒliˈfiːnəl/[3] or /pɒliˈfɛnəl/; also known as polyhydroxyphenols) are a structural class of mainly natural, but also synthetic or semisynthetic, organic chemicals characterized by the presence of large multiples of phenol structural units.