Industrial Extraction
Mostrando 1-12 de 214 artigos, teses e dissertações.
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1. ARTEMISININA E DERIVADOS: DESCOBERTA, ESTRATÉGIAS SINTÉTICAS E OBTENÇÃO INDUSTRIAL
Artemisinin, a natural sesquiterpene isolated from the Artemisia annua L. plant, represents a remarkable achievement in the treatment against malaria. Since its discovery in the 1970’s, researchers readily started synthesizing this complex natural product containing an unusual endoperoxide fragment. Despite various total syntheses reported, only in the las
Química Nova. Publicado em: 2022
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2. CLOROFILA EXTRAÍDA DE RESÍDUO INDUSTRIAL DA ERVA-MATE (Ilex paraguaiensis) UMA POSSIBILIDADE DE ECONOMIA CIRCULAR
Chlorophyll is the most abundant green pigment on the planet, it is unstable and decomposes naturally. Mate-herb is a traditional native plant in the southern region of South America, and its tea is part of the local culture and extractive agriculture. The mate-herb industry generates as a by-product a resinous material rich in chlorophyll whose use is propo
Química Nova. Publicado em: 2022
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3. OPTIMIZATION OF BREWING WASTE’S (TRUB) PHENOLIC COMPOUNDS EXTRACTION BY ULTRASOUND ASSISTED USING RESPONSE SURFACE METHODOLOGY
The brewing waste, also known as trub, is an abundant by-product of the brewing industry. Such material presents high levels of phenolic compounds, which promote antioxidant, antimicrobial and antifungal effects, turning the trub economically attractive. In this study, the trub’s phenolic compounds were extracted by ultrasound-assisted extraction technolog
Quím. Nova. Publicado em: 2021-04
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4. Bioactive Bioflavonoids from Platonia insignis (Bacuri) Residues as Added Value Compounds
Platonia insignis fruit, popularly known as bacuri, is traditionally used in folk medicine for its anti-inflammatory and antioxidant properties. Therefore, this study determined the chemical composition and biological activities of the bacuri’s shell and seeds extracts, considered residues from its consumption and industrial uses. Four biflavonoids (GB-2a,
J. Braz. Chem. Soc.. Publicado em: 2021-04
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5. Agroindustry Residues as a Source for Cellulose Nanofibers Production
Our study was motivated by the large amount of crop residues produced in Brazil, which represent underutilized waste biomass and a serious threat to the environment because of the landfilling. For example, even though the corn crop is not popular in Brazil, it is produced in the area of around 18-20 million hectares with an average production of 5-6 t ha-1.
J. Braz. Chem. Soc.. Publicado em: 2021-04
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6. Zeolite-SPION Nanocomposite for Ammonium and Heavy Metals Removal from Wastewater
Minimizing the emission of industrial effluents and realizing the recovery/extraction of key elements such as the rare earths from low concentration solutions, or during water decontamination processes, are some of the biggest challenges of modern society. Accordingly, the preparation and characterization of a low cost recyclable and reusable superparamagnet
J. Braz. Chem. Soc.. Publicado em: 2020-11
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7. 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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8. Methods for and pigments extration and determination of color in tomato for processing cultivars
Abstract The aim of this research was compare methods for pigments extraction and color determination in different tomato for processing cultivars, and choose the most promising materials for the industry. The tomatoes for processing studied were of the IT761, H9992, H9553, AP533, Advance, N901, BRSena, U2006, HY26, HY37 and HY68 cultivars. The extraction y
Food Sci. Technol. Publicado em: 2020-03
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9. EFFECT OF ECOFRIENDLY BIO-BASED SOLVENTS ON OIL EXTRACTION FROM GREEN COFFEE BEAN AND ITS INDUSTRIAL PRESS CAKE
Abstract Oil recovery, retention index, and thermodynamic parameters of green coffee beans (GCB) and its press cake (PC) extraction using bio-based solvents were investigated. The extraction parameters investigated were temperature (35 to 55 °C), type of material (coffee beans and press cake), and type of solvent (ethanol, acetone, and ethyl acetate), at a
Braz. J. Chem. Eng.. Publicado em: 13/01/2020
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10. MAXIMIZATION OF ESSENTIAL OIL ANTIOXIDANT CAPACITY VIA STAR ANISE HYDRODISTILLATION
Abstract Chinese star anise essential oil (EO) is prized for its pleasant aroma and mainly due to its antioxidant capacity (AC), which can combat cancer and treat neurodegenerative diseases. This study shows the innovative approach of optimizing not only EO yield, but also to therapeutic activity. The product obtained follows the principle of the Pure Food a
Braz. J. Chem. Eng.. Publicado em: 13/01/2020
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11. DISPARITY IN THE GROSS PRODUCTION VALUE OF NATIVE WOOD PRODUCTS OF THE PARAÍBA MESOREGIONS, BRAZIL (1994-2017)
RESUMO Este artigo analisou a disparidade do valor bruto de produção dos produtos madeireiros do extrativismo vegetal das mesorregiões da Paraíba, Brasil, no período de 1994 a 2017. Os indicadores empregados foram: o quociente locacional (QL), o coeficiente locacional (CL), o coeficiente de redistribuição (CRED), o coeficiente de associação geográf
Rev. Árvore. Publicado em: 25/11/2019
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12. A indústria brasileira no período 2007-2014: perdas e ganhos num ambiente de baixo crescimento*
Resumo Este artigo exibe um panorama geral das transformações ocorridas na Indústria brasileira no período 2007-2014 e faz a análise de tais mudanças. A base de dados utilizada é a Pesquisa Industrial Anual - Empresa, do IBGE. No período investigado, verificou-se um avanço importante da Indústria extrativa na estrutura industrial brasileira, seja d
Econ. soc.. Publicado em: 29/08/2019