Chemical profiling of six samples of Brazilian propolis
Química Nova, 2013 Six samples of Brazilian propolis from Minas Gerais and Paraná states were analyzed to identify the constituents (GC/MS and HPLC/MS) and to determine their contents (HPLC and external standardization). All samples contained characteristic constituents of
Caroline C. Fernandes-Silva +4 more
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Discrimination and classification of tobacco wastes by identification and quantification of polyphenols with LC–MS/MS [PDF]
, 2010 The chemical composition of polyphenols in tobacco waste was identified by HPLC-PDA–ESI/MS/MS and the contents of chlorogenic acids and rutin in 10 varieties of tobacco wastes were determined by HPLC–UV.
BEN JIANG +7 more
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LWT, 2021 Abstract The aim of this study was to investigate the changes of individual chlorogenic acids during the coffee roasting process under authentic commercial conditions. Unique chemical reactions of caffeoylquinic acid (CQA) and dicaffeoylquinic acid (diCQA) isomers were shown in different Coffea species (C. arabica vs. C. canephora), batch sizes (1 kg
Lukas Macheiner +2 more
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Food Chemistry AdvancesRecently, there has been a growing interest in medicinal and specialty crops due to their high content of health-promoting compounds, such as quinic acid and caffeic acid derivatives.
Shahidul Islam +2 more
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Irradiation as a novel approach to improve quality of Tropaeolum majus L. flowers: benefits in phenolic profiles and antioxidant activity [PDF]
, 2015 Edible flowers are increasingly used in food preparations, requiring new approaches to improve their conservation and safety. Food irradiation, particularly electron beam and gamma irradiation, is legally recognized to extend shelf life, improve hygienic
Barreira, João C.M. +5 more
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Silicon-induced changes in antifungal phenolic acids, flavonoids, and key phenylpropanoid pathway genes during the interaction between miniature roses and the biotrophic pathogen Podosphaera pannosa [PDF]
, 2011 Application of 3.6 mm silicon (Si+) to the rose (Rosa hybrida) cultivar Smart increased the concentration of antimicrobial phenolic acids and flavonoids in response to infection by rose powdery mildew (Podosphaera pannosa). Simultaneously, the expression
Christensen, L. P. +7 more
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Hazelnut (Corylus avellana L.) cultivars and antimicrobial activity [PDF]
, 2011 The hazelnut is one of the most cultivated and consumed nuts in the world, not only as a fruit but also incorporated as an ingredient into a diversity of manufactured food products.
Delgado, Teresa +3 more
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Journal of Food Quality, 2018 Solanum retroflexum (nightshade) is an edible plant that is consumed in some regions of South Africa. Its leaves are a good source of vitamins, proteins, and minerals. It appears that there is no scientific report about the phytochemical composition of S.
Grace Daji +3 more
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Phytochemicals and bioactive properties of Ilex paraguariensis: an in-vitro comparative study between the whole plant, leaves and stems [PDF]
, 2015 Leaves, stems and whole plant of Ilex paraguariensis (yerba mate) were characterized in terms of their chemical composition and biological activities in order to determine which part of the plant is more interesting to develop bioactive formulations. The
Barros, Lillian +8 more
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Phenolic profiling of Veronica spp. grown in mountain, urban and sand soil environments [PDF]
, 2014 Veronica (Plantaginaceae) genus is widely distributed in different habitats. Phytochemistry studies are increasing because most metabolites with pharmacological interest are obtained from plants. The phenolic compounds of V. montana, V.
Barreira, João C.M. +6 more
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