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Hydroxycinnamic acids are one of the most widely distributed classes of natural phenolics in plants. Their coexistence requires selective methods for quantification.
Anastasiya Zhupanova, Guzel Ziyatdinova
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p-Coumaric acid ? a monomer in the sporopollenin skeleton [PDF]
Sporopollenin obtained from wings of Pinus mugo (Turra) pollen was analysed by pyrolysis mass spectrometry. In the spectrum, mass peaks which are characteristic for p-coumaric acid were dominant. p-Coumaric acid was the main degradation compound when the wing material was treated by a gentle method using AII3, and also when the remaining residue of the
Wehling, K. +4 more
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In vitro anti-melanoma effect of polyphenolic compounds
Objective: To evaluate the effects of phenolic acids (caffeic, ferulic, and coumaric acids) and flavones (luteolin and apigenin) on the proliferation and melanogenesis in murine melanoma B16-F10 cells. Methods: Cell proliferation was determined after 24
Fairouz Sioud +4 more
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This study carried out a chromatographic and spectrophotometric characterization of the bioactive compounds, antioxidants, phenolics, tocopherols, sterols and fatty acids of baru almonds “in natura” and submitted to drying processes.
M. L.L. Campidelli +7 more
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Seedling roots of cucumber were subjected to allelochemical stress by treating them with 0.1 mM solutions of ferulic, p-coumaric, p-hydroxybenzoic and vanillic acids. In the experiment the influence of derivatives of cinnamic acid (ferulic and p-coumaric
Barbara Politycka
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The Crystal Structure of p-Coumaric Acid [PDF]
p-クマル酸の固相皿合の可能性を検耐するために,その結晶構造をX線解析法によって研究した。この結晶は単斜晶系に嘱し,8=8.71±0.01,b=5.26±0.01,c=17.24±0.02Å,β=100.0±0.2° なる大きさの単位格子中に,4個の分子を含んでいる。空間群はP21/Cである。反射強度は.GuKa線を用いて,β 舳およびb軸のまわりで等角傾斜法によって撮影した積分Weissenberg写真から.目視法で測定した。構造は賦膠法によって解き,異方惟温度因子を用いたブロック対角近似の最小二乗法によって精密化した。最終のR因子は12.9%である。最終のパラメーターで計算したD合成から,カルボキシル基の水素以外の全水素原子を見つけだすことができた。この分子は,カルボキシル基同志の強い水素結合 ...
Hiroyuki Utsumi +4 more
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Content of phenolic acids in rye caryopses determined using DAD-HPLC method
Phenolic compounds were extracted from rye caryopses with 80% (v/v) methanol. Phenolic acids were determined as free compounds and those liberated from soluble esters and glycosides.
R. Amarowicz, S. Weidner
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Cinnamic acid and its hydroxylated derivatives (p-coumaric, caffeic, ferulic and sinapic acids) are known allelochemicals that affect the seed germination and root growth of many plant species.
Rogério Barbosa Lima +8 more
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Seven-day-old maize seedlings grown in a nitrogen-free hydroponic culture were exposed for 48 h to 0, 100 and 300 μM trans-cinnamic, p-coumaric, ferulic, caffeic acids, umbelliferone and 200 μM KNO3.
M. R. Abenavoli +3 more
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The phenolic acids, ferulic acid and p-coumaric acid, are components of plant cell walls in grasses, including many of our major food crops. They have important health-promoting properties in grain, and influence the digestibility of biomass for ...
Kelly Houston +10 more
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