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Use of avocado peel (Persea americana) in tea formulation: a functional product containing phenolic compounds with antioxidant activity

Abstract: The peels of avocados, like other fruit peels, are commonly discarded, not knowing their potential use. In order to reuse avocado peel, the ch emical and mineral compositions, total phenolic and flavonoid contents as well as antioxidant activities have be

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Quality of coffee cultivated in Campos Gerais, Minas Gerais

Abstract: ABSTRACT. Coffee quality can be defined as a set of physic al, chemical, sensory and safety attributes that meet consumer taste preferences. Coffea arabica is the most cultivated species, accounting for 70% national and world production of coffee. The p

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Data interpolation in the definition of management zones

Abstract: Precision agriculture (PA) comprises the use of management zones (MZs). Sample data are usually interpolated to define MZs. Current research checks whether there is a need for data interpolation by evaluating the quality of MZs by five indices – variance

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Chemical coagulants and Moringa oleifera seed extract for treating concrete wastewater

Abstract: Wastewater from concrete plants has a high pH and a high concentration of suspended solids, necessitating treatment before reuse or discharge into the environment. The objective of this study is to evaluate the efficiency of two chemical coagulants, alumi

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Impact of electrical stunning on fish behavior and meat quality of pacu (Piaractus mesopotamicus)

Abstract: Electrical stunning is considered one of less stressful fish stunning method. However, for its efficiency, it is important to determine the best way of application of the electrical variables. The aim of this study was to evaluate the effect of different

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Generalized estimating equations to evaluate the dependence of lifetime in confined Africanized bees

Abstract: Research with honeybee needs experimentation in cages. In laboratory bioassays to assess the lifetime of Api s mellifera , each sampling unit contained a group of bees confined in a cage. Since current is a longitudinal analysis to assess the effect of

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Detection of climate trends in macroregions of the Ceará State using FUNCEME data
Djane Fonseca da Silva

Abstract: The goal of this study was to apply the Mann-K endall test to the rainfall data of eight macroregions of the Ceará State aiming to determine cl imate trends in their time series. To this end were used rainfall data obtained by the FUNCEME for the period 1

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Cytotoxic / antioxidant activity and sensorial acceptance of yerba-mate development by oxidation process

Abstract: Yerba-mate ( Ilex paraguariensis St. Hil.) is a native species of South America, and its dried leaves are consumed mainly as a beverage. Its ph ytochemical profile includes phenolic compounds consisting of secondary metabolites with antioxidant activities

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Stabilization of açaí (Euterpe oleracea Mart.) juice by the microfiltration process

Abstract: Açaí berry, a Brazilian palm fruit widely distributed in northern South America, is acknowledged for its functional pr operties such as high antioxidan t capacity and anti-inflammatory activities. Although the açaí juice is highly appreciated in Brazil and

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Determination of modal properties of the coffee fruit-stem system using high speed digital video and digital image processing

Abstract: Detachment of coffee fruit is usually accomplished by means of mechanical impacts and vibrations applied to the plant. Modal properties of the coffee frui t-stem system represent important information for efficient and selective harvesting. This study aime

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Prediction of modulus of elasticity and compressive strength of concrete specimens by means of artificial neural networks

Abstract: Currently, artificial neural networks are being widely used in various fields of science and engineering. Neural networks have the ability to lear n through experience and existing examples, and then generate solutions and answers to new problems, involvin

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Production and spray drying of protein hydrolyzate obtained from tilapia processing by-products

Abstract: In the last few decades, the o ffer of by-products obtained fr om the processing of tilapia ( Oreochromis niloticus ) has increased, and the need for developing products with high biological and nutritional values for use in animal nutrition motivated this

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Syrup production via enzymatic conversion of a byproduct (broken rice) from rice industry

Abstract: In a hydrothermal process for the gelatinization of the rice starch, it was studied the rate of hydration, temperature and time. An incomplete 3 3 factorial design was used to evaluate the effects of temperature, enzyme/substrate relation and liquefac tio

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Effect of reversal of the flow direction on hydrodynamic characteristics and plants cultivated in constructed wetland systems

Abstract: The objective of the present study was to ev aluate the effect of reversal of the flow direction, when used the surface flow as an operating criteria, on hydrodynamic characteristics and plants grown in horizontal subsurface-flow constructed wetl and syste

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Punching strength of RC slabs with asymmetric point loads

Abstract: This paper presents results of tests on 18 one-way reinforced concrete slabs under point loads having as main variable the transverse flexural reinforcement ratio, the loading position and the width of the slab. The response of the slabs is described and d

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