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Polyphenols in fruits and vegetables and its effect on human health
(Food and Nutrition Sciences, 2014) [Artigo]
Polyphenols represent a group of chemical substances common in plants, structurally characterized by the presence of one or more phenol units. Polyphenols are the most abundant antioxidants in human diets and the largest ...
Polyamines in conventional and organic vegetables exposed to exogenous ethylene
(Food Chemistry, 2015-12-01) [Artigo]
Relationships between endogenous levels of polyamines by thin layer chromatography (TLC) and gas chromatography (GC), nitrate and response to the application of ethylene were established between organic and conventional ...
Carbohydrate reserves on postharvest of lisianthus cut flowers
(Ornamental Horticulture, 2018-01-01) [Artigo]
Floriculture industry demands for products with high quality and durability; however, there is a lack of studies related to the postharvest physiology of cut flowers. We aimed to study phenolic contents of lisianthus ...
Influences of the harvest season on analytical characteristics of syrah grapes and wines produced in the northeast region of Brazil
(International Journal of Agriculture and Forestry, 2015) [Artigo]
The present study evaluated the main physical and chemical characteristics of Syrah grapes, coming from the tropical region of São Francisco river valley, harvested at different times and their relationship with analytical ...
Can hydrogen peroxide and quercetin improve production of Eucalyptus grandis x Eucalyptus urophylla?
(African Journal of Biotechnology, 2014) [Artigo]
Vegetative propagation is considered the best choice for the rapid multiplication of plant species, however, rooting may still present difficulties. Substances, such as auxins, phenolic compounds and hydrogen peroxide, are ...
Comparison of polyamine, phenol and flavonoid contents in plants grown under conventional and organic methods
(International Journal of Food Science and Technology, 2008-10-01) [Artigo]
The objective of this work was to compare the contents of polyamines (putrescine, spermidine and spermine), and total soluble phenols and flavonoids in parts of plants grown under either organic or conventional cropping, ...
Analysis of tolerance to copper and zinc in Aechmea blanchetiana grown in vitro
(Biologia Plantarum, 2012-03-01) [Artigo]
The aim of this study was to evaluate the growth and development of Aechmea blanchetiana Baker L.B. Sm. in vitro on medium with 0.0, 0.145, 1.45 and 14.5 mu M Cu and 0.0, 2.75, 27.5 and 275 mu M Zn. Significant accumulation ...
Effect of light intensity on chemical composition and essential oil content in Piper aduncum L. leaves and roots
(Planta Medica, 2012-08-01) [Resumo]
Relationship Among Phenolic Contents, Seed Predation, and Physical Seed Traits in Mimosa bimucronata Plants
(Journal of Plant Biology, 2009-12-01) [Artigo]
Phenolic contents were compared between Mimosa bimucronata seeds from infested and non-infested fruits to assess induced defense response. By measuring leg length of the bruchid beetle Acanthoscelides schrankiae, we verified ...
Prognosis of physiological disorders in physic nut to N, P, and K deficiency during initial growth
(Plant Physiology and Biochemistry, 2017-06-01) [Artigo]
The description of physiological disorders in physic nut plants deficient in nitrogen (N), phosphorus (P) and potassium (K) may help to predict nutritional imbalances before the appearance of visual symptoms and to guide ...