Total Polyphenols
Mostrando 1-12 de 96 artigos, teses e dissertações.
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1. Wine composition of Merlot and Cabernet Sauvignon vine clones under the environmental conditions of Serra Gaúcha, Brazil
Abstract This study aimed to evaluate the wine composition from vine clones of Merlot (181, 346, 347, 348) and Cabernet Sauvignon (R5, 18A, 163, 338, 341). The grapes were harvested between 2010 and 2012, then on the same day, taken to the winery facility for winemaking. After crushing and destemming the grapes, the musts were transferred to glass containers
Food Sci. Technol. Publicado em: 2021-06
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2. Acerola by-product as a renewable source of bioactive compounds: arabic gum and maltodextrin nanocapsules
Abstract Acerola industrial by-products present high levels of antioxidant compounds. Encapsulation technology has shown to be of great importance in the food industry. In this context, better nanoparticles are indicated in aiming to enrich food products with bioactive compounds. Five formulations were analyzed for yield, size distribution and zeta potential
Food Sci. Technol. Publicado em: 2020-12
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3. Physicochemical characterization, antioxidant activity, and sensory analysis of beers brewed with cashew peduncle (Anacardium occidentale) and orange peel (Citrus sinensis)
Abstract This study aimed at brewing wheat beer with cashew peduncle (CP) and orange peel (OP). Six formulations (F) were assessed for their physicochemical characteristics and total amount of polyphenols and antioxidant activity. The flavors of F1 and F6 were evaluated via sensory analysis. The results showed that the evaluated beers were in accordance with
Food Sci. Technol. Publicado em: 2020-09
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4. Zn treatment effects on biological potential of fennel bulbs as affected by in vitro digestion process
Abstract Zn treatment effects on the stability of polyphenols, MDA (malondialdehyde) content, antioxidant and lipoxygenase inhibition activities of two varieties of fennel bulbs were studied by using an in vitro gastrointestinal digestion model. Likewise, the effect of Zn on viability cells of E. coli was also performed. The results revealed that high amount
Food Sci. Technol. Publicado em: 2020-06
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5. Bioactive compounds and value-added applications of cupuassu (Theobroma grandiflorum Schum.) agroindustrial by-product
Abstract Cupuassu is a fruitful species from the Amazon basin with great economical potential, due to the multiple uses of its pulp and seeds in the food and cosmetic industries. This fruit generates large amounts of solid waste, which, despite of its high content of bioactive compounds, is discarded in the environment. Therefore, with the aim of reusing the
Food Sci. Technol. Publicado em: 2020-06
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6. Physical-chemical and chemical characterization of Passiflora cincinnata Mast fruits conducted in vertical shoot positioned trellis and horizontal trellises system
Resumo Passiflora cincinnata Mast., conhecida como maracujá da caatinga ocorre no Semiárido nordestino, Goiás, Minas Gerais e na Bahia. A região de cultivo e os sistemas de manejo das espécies do gênero Passiflora podem interferir na qualidade físico-química dos frutos. Objetivou-se avaliar características físico-química e química dos frutos de
Rev. Bras. Frutic.. Publicado em: 05/12/2019
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7. Does Lycium europaeum leaf have antihyperglycemic, antihyperlipidemic and antioxidant effects
The purpose of the present investigation is to assess, for the first time, the antidiabetic, antihyperlipidemic and antioxidant activities of Lycium europaeum extract in alloxan-induced diabetic rats. Diabetes was induced in adult male Wistar rats via a single subcutaneous alloxan injection (120 mg/kg). Lycium europaeum aqueous extract was orally administere
Braz. J. Pharm. Sci.. Publicado em: 07/11/2019
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8. Different effects of heating and freezing treatments on the antioxidant properties of broccoli, cauliflower, garlic and onion. An experimental in vitro study
ABSTRACT BACKGROUND: Vegetables have some beneficial effects on human health due to their antioxidant compounds, like polyphenols. Cooking leads to many physical and chemical changes to plant structure that can alter the phytochemical compounds of vegetables. OBJECTIVES: To investigate the effects of heat treatment and freezing on the antioxidant propert
Sao Paulo Med. J.. Publicado em: 07/11/2019
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9. Comparisons of the active components in four unripe raspberry extracts and their activites
Abstract Dried unripe raspberry of Rubus chingii, were prepared as the following four extracts: unpurified raspberry extract (URE), purified raspberry extract (PRE), URE after high temperature-high pressure (UPE-H, HTHP), and PRE after HTHP (PRE-H). The total polyphenolic contents (TPCs) and total flavonoid contents (TFCs) of the four extracts, as assessed b
Food Sci. Technol. Publicado em: 10/10/2019
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10. Contents of total phenolics and flavonoids in and antioxidant activity of Ilex paraguariensis leaves
Resumo: O objetivo deste trabalho foi avaliar diferentes solventes e tempos de extração de polifenóis com ultrassom, para quantificar os compostos fenólicos e flavonoides totais e a capacidade antioxidante em folhas de erva-mate (Ilex paraguariensis). O experimento foi realizado em delineamento inteiramente casualizado, em arranjo fatorial 8x3 (solvente
Pesq. agropec. bras.. Publicado em: 07/10/2019
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11. Influence of preparation procedures on the phenolic content, antioxidant and antidiabetic activities of green and black teas
The influence of common tea preparation procedures (temperature, infusion time, consumption time interval and tea bag/loose-leaf) and the type of water used, on the total phenolic content (TPC), the radical scavenging activity and the α-glucosidase inhibitory activity were assessed. Higher TPC and antioxidant activity were obtained when using lower minerali
Braz. J. Pharm. Sci.. Publicado em: 23/09/2019
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12. Dietary total antioxidant capacity as a preventive factor against depression in climacteric women
RESUMO Depressão é caracterizada por causar sofrimento físico ou psicológico e em muitos casos pode levar ao suicídio. Objetivo: avaliar a prevalência de depressão e sua possível relação com a capacidade antioxidante total da dieta (DTAC) e parâmetros nutricionais em mulheres climatéricas participantes de um programa universitário de extensão
Dement. neuropsychol.. Publicado em: 23/09/2019