Ethers lack the hydroxyl groups of alcohols. Without the strongly polarized O―H bond, ether molecules cannot engage in hydrogen bonding with each other. 530-59-6, formula is C11H12O5, Name is 3,5-Dimethoxy-4-hydroxycinnamic acid. Ethers do have nonbonding electron pairs on their oxygen atoms, however, and they can form hydrogen bonds with other molecules (alcohols, amines, etc.) that have O―H or N―H bonds. Recommanded Product: 3,5-Dimethoxy-4-hydroxycinnamic acid.
Mehta, Deepak;Yadav, Kamlendra;Chaturvedi, Kartikey;Shivhare, U. S.;Yadav, Sudesh Kumar research published 《 Impact of Cold Plasma on Extraction of Polyphenol From De-Oiled Rice and Corn Bran: Improvement in Extraction Efficiency, In Vitro Digestibility, Antioxidant Activity, Cytotoxicity and Anti-Inflammatory Responses》, the research content is summarized as follows. The main objective of this study was to investigate the impact of atm. and vacuum cold plasma on extraction efficiency of polyphenols from de-oiled rice and corn bran. Further, the extracted phenolic compounds from rice and corn bran were analyzed for their bioactivity, in vitro digestibility, cytotoxicity and anti-inflammatory activities. In this study, cold plasma processing was observed to significantly (p < 0.05) enhance the content of individual polyphenols extracted from rice bran (vanillin, ferulic acid, sinapic acid and chlorogenic acid) and corn bran (4-hydroxybenzaldehyde, p-coumaric, sinapic acid and ferulic acid) in comparison with conventional extraction Moreover, significant increment was also found in total phenolic content, total flavonoid content and antioxidant activity of extracted polyphenols. In vitro digestibility was observed higher for vacuum cold-plasma-treated rice bran polyphenol, while it was higher for atm. cold-plasma-treated corn bran polyphenols. Cell viability and anti-inflammatory activity were also found to be significantly enhanced (p < 0.05) with cold-plasma-extracted polyphenols. The enhanced release of polyphenols could be due to puncture in brans upon cold plasma treatment as revealed through scanning electron microscope. Hence, the present study documented the use of atm. and vacuum cold plasma for the first time for enhanced extraction of polyphenols from industrial waste like rice and corn bran. Also, the obtained polyphenols were observed for better in vitro digestibility, cell viability and anti-inflammatory activity.
530-59-6, Sinapinic acid is a chemical compound that is the dihydroxybenzoic acid derivative of sinapic acid. It has been shown to have anti-inflammatory properties in vitro and in vivo. Sinapinic acid inhibits the activity of various enzymes, such as cyclooxygenase (COX), lipoxygenase (LOX), and 5-lipoxygenase-activating protein (FLAP). It also decreases levels of adhesion molecules and downregulates inflammatory response genes. Sinapinic acid has been shown to reduce inflammation by inhibiting the formation of proinflammatory mediators, such as prostaglandin E2 or leukotriene B4, in endothelial cells and mammary epithelial cells.
Sinapic acid is a phenylpropanoid hydroxycinnamic acid with diverse biological activities. Sinapic acid inhibits collagen-induced human platelet aggregation by up to 70% in vitro (IC50 = 1.03 mM). It scavenges 2,2-diphenyl-1-picrylhydrazyl (DPPH; ) and 2,2′-azino-bis-(3-ethylbenzothiazoline-6-sulfonate) (ABTS) free radicals with IC50 values of 8.3 and 5.4 μg/ml, respectively. Sinapic acid (200 μM) reduces colony formation of SW480 human colon carcinoma cells by 4-fold. It also inhibits colony formation of E. coli, S. enteritidis, and S. aureus on agar (MICs = 2.2, 2, and 1.8 mM, respectively). In vivo, sinapic acid (4 mg/kg, p.o.) increases the time spent in the open arms of the elevated plus maze by approximately 15% in mice, an effect that can be blocked by the GABAA receptor antagonists flumazenil and bicuculline. Sinapic acid is also commonly used as a matrix in protein mass spectrometry.
Sinapic acid analytical standard provided with w/w absolute assay, to be used for quantitative titration.
Sinapic acid is an hydroxycinnamic acid derivative that occurs naturally in Brassicaceae species.
cis-Sinapic acid, also known as cis-sinapate or synapitic acid, belongs to the class of organic compounds known as hydroxycinnamic acids. Hydroxycinnamic acids are compounds containing an cinnamic acid where the benzene ring is hydroxylated. cis-Sinapic acid is considered to be a practically insoluble (in water) and relatively neutral molecule. Within the cell, cis-sinapic acid is primarily located in the cytoplasm. Outside of the human body, cis-sinapic acid can be found in common pea and pulses. This makes cis-sinapic acid a potential biomarker for the consumption of these food products.
Cis-sinapic acid is a 3-(4-hydroxy-3,5-dimethoxyphenyl)prop-2-enoic acid in which the double bond has cis-configuration. It has been isolated from the shoots of alfalfa. It has a role as a plant metabolite., Recommanded Product: 3,5-Dimethoxy-4-hydroxycinnamic acid
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem