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Polyphenol oxidase from yacon roots (Smallanthus sonchifolius)
(Amer Chemical Soc, 2007-03-21)
Polyphenol oxidase (E.C. 1.14.18.1) (PPO) extracted from yacon roots (Smallanthus sonchifolius) was partially purified by ammonium sulfate fractionation and separation on Sephadex G-100. The enzyme had a molecular weight ...
In Vitro Safety Evaluation of Caffeic Acid
(2014)
Phenolic compounds are abundant in the Brazilian plant kingdom and they are part of a large and complex group of organic substances. Cinnamic acids are part of this group of organic compounds, and caffeic acid is one of ...
Simultaneous HPLC determination of flavonoids and phenolic acids profile in Pêra-Rio orange juice
(2018-04-01)
The aim of this study was to develop and validate an HPLC-DAD method to evaluate the phenolic compounds profile of organic and conventional Pêra-Rio orange juice. The proposed method was validated for 10 flavonoids and 6 ...
Phenolic characterization and antimicrobial activity of folk medicinal plant extracts for their applications in olive production
(Wiley VCH Verlag, 2014-03)
Phytophthora spp is important in plant pathology due to the importance of the diseases it causes. In olive trees, severe damages are caused by the disease known as "dry branch" occasioned by Phytophthora nicotianae, P. ...
Respuesta disuasiva del granívoro Zonotrichia capensis (Paseriformes: Emberizidae) frente a fenoles comunes en las semillasDeterrence response in a seed-eating sparrow Zonotrichia capensis (Passerine: Emberizidae) against seed common phenols
(Asociación Argentina de Ecología, 2010-08)
Ciertas semillas contienen compuestos aleloquímicos que pueden actuar como disuasivos en contra del ataque de granívoros. En general, las aves poseen la capacidad de reconocer tales compuestos y al evadir su consumo pueden ...
In vitro cytotoxic activity of Baccharis dracunculifolia and propolis against HEp-2 cells
(Taylor & Francis Ltd, 2010-01-01)
Baccharis dracunculifolia is the most important vegetal source of propolis in southeast Brazil, and researchers have been investigating its biological properties. Propolis is a complex resinous hive product collected by ...
Antiulcer effects of Ethyl acetate fraction of Carpolobia lutea leaf
(2012-08-01)
Carpolobia lutea leaves (CLL) (Polygalaceae) were earlier screened and the antiulcer ethnomedicinal claim established. This article seeks to quantitatively isolate, elucidate the active compounds from most active CLL ...
Polyphenol oxidase from sweet potato: Purification and properties
(Amer Chemical Soc, 1992-12-01)
Polyphenol oxidase (PPO, EC 1.14.18.1) extracted from sweet potato root [Ipomoea batatas (L.) Lam.] was purified 189-fold by precipitation with ammonium sulfate and elution from columns of Sephadex G-25, DEAE-cellulose, ...
Caffeic acid in dermatological formulations: In vitro release profile and skin absorption
(2017-09-01)
Aim and Objective: Caffeic acid (CA) is a cinnamic acid derivative, found in many vegetable products, with powerful antioxidant activity, the ability to increase collagen production and capacity to prevent premature aging ...
Phenolic compounds and antioxidant capacity of monovarietal olive oils produced in Argentina
(Springer, 2014-11-11)
Virgin olive oil has high levels of phenolic compounds that are highly bioavailable; these compounds are receiving considerable attention for their antioxidant activity, closely related to the prevention of non-communicable ...