New flavonoids from Portulaca oleracea L. and their activities

Lim, 2007, Antioxidant properties of different cultivars of Portulaca oleracea, Food Chem., 103, 734, 10.1016/j.foodchem.2006.09.025 Zhou, 2015, Portulaca oleracea L.: a review of phytochemistry and pharmacological effects, Biomed. Res. Int., 2015, 925631, 10.1155/2015/925631 Lei, 2015, Separation and identification of four new compounds with antibacterial activity from Portulaca oleracea L, Molecules, 20, 16375, 10.3390/molecules200916375 Palaniswamy, 2001, Stage of harvest and polyunsaturated essential fatty acid concentrations in purslane (Portulaca oleraceae) leaves, J. Agric. Food Chem., 49, 3490, 10.1021/jf0102113 Uddin, 2014, Purslane weed (Portulaca oleracea): a prospective plant source of nutrition, omega-3 fatty acid, and antioxidant attributes, Sci. World J., 2014, 1, 10.1155/2014/951019 Liu, 2011, Two antioxidant alkaloids from Portulaca oleracea L, Helv. Chim. Acta., 94, 497, 10.1002/hlca.201000250 Meng, 2016, The anti-inflammation and pharmacokinetics of a novel alkaloid from Portulaca oleracea L, J. Pharm. Pharmacol., 68, 397, 10.1111/jphp.12526 Chan, 2000, The analgesic and anti-inflammatory effects of Portulaca oleracea L. subsp. sativa (Haw.) Celak, J. Ethnopharmacol., 73, 445, 10.1016/S0378-8741(00)00318-4 Zhang, 2002, Experimental studies on antibiotic functions of Portulaca oleracea L. in vitro, Chinese J. Microecol., 14, 277 Sirithon, 2010, Microchemical components and antioxidant activity of different morphological parts of Thai wild purslane (Portulaca oleracea), Weed Sci., 58, 182, 10.1614/WS-D-09-00073.1 Moneim, 2013, The potential role of Portulaca oleracea as a neuroprotective agent in rotenone-induced neurotoxicity and apoptosis in the brain of rats, Pestic. Biochem. Physiol., 105, 203, 10.1016/j.pestbp.2013.02.004 Kennedy, 1980, Characteristics of Crassulacean acid metabolism in the succulent C₄ dicot, Portulaca oleracea L, Plant Physiol., 65, 193, 10.1104/pp.65.2.193 Erkan, 2012, Antioxidant activity and phenolic compounds of fractions from Portulaca oleracea L, Food Chem., 133, 775, 10.1016/j.foodchem.2012.01.091 Elkhayat, 2008, Portulene, a new diterpene from Portulaca oleracea L, J. Asian Nat. Prod. Res., 10, 1039, 10.1080/10286020802320590 Rasheed, 2004, Investigation of the active constituents of Portulaca oleraceae L. (Portulacaceae) growing in Jordan, Pak. J. Pharm. Sci., 17, 37 Xu, 2006, Determination of flavonoids in Portulaca oleracea L. by capillary electrophoresis with electrochemical detection, J. Pharm. Biomed. Anal., 41, 493, 10.1016/j.jpba.2006.01.013 Li, 2016, Three novel alkaloids from Portulaca oleracea L. and their anti-inflammatory effects, J. Agric. Food Chem., 64, 5837, 10.1021/acs.jafc.6b02673 Akhtar, 2010, Photosynthetic redox imbalance influences flavonoid biosynthesis in Lemna gibba, Plant Cell Environ., 33, 1205 Demmigadams, 2002, Antioxidants in photosynthesis and human nutrition, Science, 298, 2149, 10.1126/science.1078002 Stohs, 1995, The role of free radicals in toxicity and disease, J. Basic Clin. Physiol. Pharmacol., 6, 205, 10.1515/JBCPP.1995.6.3-4.205 Bensouici, 2016, Compounds from Sedum caeruleum with antioxidant, anticholinesterase, and antibacterial activities, Pharm. Biol., 54, 174, 10.3109/13880209.2015.1028078 Liu, 2004, DPPH radical scavenging activity of ten natural p-terphenyl derivatives obtained from three edible mushrooms indigenous to China, Chem. Biodivers., 1, 601, 10.1002/cbdv.200490050 Xu, 2009, Antioxidant activity of a water-soluble polysaccharide purified from Pteridium aquilinum, Carbohydr. Res., 344, 217, 10.1016/j.carres.2008.10.021 Ellman, 1961, A new and rapid colorimetric determination of acetylcholinesterase activity, Biochem. Pharmacol., 7, 88, 10.1016/0006-2952(61)90145-9 Dirmenci, 2013, Investigation of anticholinesterase activity of a series of salvia extracts and the constituents of Salvia staminea, Nat. Products J., 3, 3, 10.2174/2210315511303010003 Adinolfi, 1988, Absolute configuration of homoisoflavanones from muscari species, Tetrahedron, 44, 6565, 10.1016/S0040-4020(01)86202-5 Dai, 2013, Antiproliferative Homoisoflavonoids and Bufatrienolides from Urginea depressa, J. Nat. Prod., 76, 865, 10.1021/np300900a Cui, 2011, Flavans from Iris tenuifolia and their effects on β-amyloid aggregation and neural stem cells proliferation in vitro, Bioorg. Med. Chem. Lett., 21, 4400, 10.1016/j.bmcl.2011.06.039 Nair, 1966, Stereochemistry of cyanomaclurin, Tetrahedron Lett., 7, 5357, 10.1016/S0040-4039(01)84205-2 Bhatia, 1966, Synthesis of cyanomaclurin—I: synthesis of some model compounds, Tetrahedron, 22, 139, 10.1016/S0040-4020(01)99102-1 Peng, 2016, Two new flavans from the trunk and leaves of Horsfieldia glabra, Nat. Prod. Res., 30, 2350, 10.1080/14786419.2016.1185719 Seidel, 2000, (Rel)-1β,2α-di-(2,4-dihydroxy-6-methoxybenzoyl)-3β, 4α-di-(4-methoxyphenyl)-cyclobutane and other flavonoids from the aerial parts of Goniothalamus gardneri and Goniothalamus thwaitesii, Phytochemistry, 55, 439, 10.1016/S0031-9422(00)00346-0 Jayaprakasam, 1999, ChemInform abstract: dihydroechioidinin, a flavanone from Andrographis echioides, Phytochemistry, 52, 935, 10.1016/S0031-9422(99)00295-2 Brandwilliams, 1995, Use of a free radical method to evaluate antioxidant activity, LWT Food Sci. Technol., 28, 25, 10.1016/S0023-6438(95)80008-5 Cao, 1997, Antioxidant and prooxidant behavior of flavonoids: structure-activity relationships, Free Radic. Biol. Med., 22, 749, 10.1016/S0891-5849(96)00351-6 Akkol, 2012, Anticholinesterase and antioxidant effects of the ethanol extract, ethanol fractions and isolated flavonoids from Cistus laurifolius L. leaves, Food Chem., 131, 626, 10.1016/j.foodchem.2011.09.041 Ramassamy, 2006, Emerging role of polyphenolic compounds in the treatment of neurodegenerative diseases: a review of their intracellular targets, Eur. J. Pharmacol., 545, 51, 10.1016/j.ejphar.2006.06.025 Ji, 2006, Theoretical evaluation of flavonoids as multipotent agents to combat Alzheimer's disease, J Mol Struc.Theochem., 767, 3, 10.1016/j.theochem.2006.04.041