Results 21 to 30 of about 1,113,832 (265)

Metais pesados em solos de uma topolitosseqüência do Triângulo Mineiro Heavy metal in soils of a topolithose-quence in the Triângulo Mineiro, State of Minas Gerais (Brazil)

Revista Brasileira de Ciência do Solo, 2004
O presente estudo teve por objetivo determinar os teores de metais pesados em solos de uma topolitosseqüência localizada no Triângulo Mineiro, Minas Gerais, para avaliar a contribuição potencial na disponibilidade destes metais em ambientes com solos de ...
T. S. Oliveira, L. M. Costa
doaj   +1 more source

Box-Wilson Design and Analysis for Extraction of Gelatin from Black Kingfish Skin [PDF]

Research and Innovation in Food Science and Technology
Gelatin is a derived, protein-based biopolymer used in nourishments to enhance consistency, strength, and flexibility. The aim of this research is to optimize the organic acid extraction of gelatin from fish skin.
Selvaraju Sivamani, Balakrishna Pillai Sankari Naveen Prasad, Azucena Cuento   +2 more
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Optimization of Subcritical Water Extraction of Rosmarinic Acid from Perilla (Perilla frutescens L.) Seed Meal and Its Antioxidant Activity

Shipin gongye ke-ji, 2023
Subcritical water extraction (SWE), a green and environmentally friendly extraction technology, was successfully used to extract rosmarinic acid from Perilla seed meal (PSM). Based on the results of single-factor experiments, three-factor and three-level
Linlin YAN, Yanhui WANG, Jiachan ZHANG, Guangyao ZHENG   +3 more
doaj   +1 more source

Extraction of Acids and Bases from Aqueous Phase to a Pseudoprotic Ionic Liquid

Molecules, 2019
We report experiments on the extraction of acids and bases from an aqueous phase to a pseudoprotic ionic liquid phase consisting of an equimolar mixture of trihexylamine and octanoic acid.
Nikolas Patsos, Karin Lewis, Francesco Picchioni, Mark N. Kobrak   +3 more
doaj   +1 more source

HPTLC and ATR/FTIR Characterization of Antioxidants in Different Rosemary Extracts

Molecules, 2021
The effect of spontaneous fermentation by lactic acid bacteria on the extraction yield of bioactive compounds and antioxidant activity from rosemary leaf extracts was investigated using high-performance thin-layer chromatography (HPTLC).
Snezana Agatonovic-Kustrin, Ksenia S. Balyklova, Vladimir Gegechkori, David W. Morton   +3 more
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Subcritical liquified dimethyl ether and supercritical fluid carbon dioxide extraction of gamma oryzanol from rice bran acid oil

Journal of Agriculture and Food Research, 2023
Gamma oryzanol (γ-oryzanol) is a bioactive compound in rice bran acid oil, a by-product of the rice bran oil refining process that possesses various pharmacological properties.
Sudthida Kamchonemenukool, Donporn Wongwaiwech, Tipawan Thongsook, Monthana Weerawatanakorn   +3 more
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Physicochemical properties and fatty acid profile of oil extracted from black soldier fly larvae (Hermetia illucens) [PDF]

Veterinary World
Background and Aim: Hermetia illucens, a black soldier fly, is widely recognized for sustainable recycling of organic waste. Black soldier fly larvae (BSFLs) can consume various types of biowastes and convert them into nutrient-rich biomass, including ...
Paviga Limudomporn, Uthaiwan Kovitvadhi, Khunakon Thongsuwan, Witcha Imaram, Ratchaphon Lertchaiyongphanit, Tharinee Sareepoch, Attawit Kovitvadhi, Wirasak Fungfuang   +7 more
doaj   +1 more source

Ultrasonic-assisted Extraction to Recover Phenolics from Paris polyphylla

Chemical Engineering Transactions, 2023
In this research, optimize ultrasonic-assisted extraction is aimed to obtain phenolics from Paris polyphylla using solvents: Glucose-Lactic acid, Choline-Lactic acid, Glycerol-Lactic acid, Sodium-Lactic acid, Choline-Citric acid, Glycerol-Citric, Sodium ...
Tan Phat Vo, Thi Hoang Yen Nguyen, Khanh Vi Truong, Ngoc Van Anh Hoang, Ngoc Minh Khang Le, Dinh Quan Nguyen   +5 more
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On‐chip electromembrane extraction of acidic drugs

ELECTROPHORESIS, 2019
AbstractIn the present work, a new supported liquid membrane (SLM) has been developed for on‐chip electromembrane extraction of acidic drugs combined with HPLC or CE, providing significantly higher stability than those reported up to date. The target analytes are five widely used non‐steroidal anti‐inflammatory drugs (NSAIDs): ibuprofen (IBU ...
Cristina Roman‐Hidalgo, Elia Santigosa‐Murillo, María Ramos‐Payán, Nickolaj J. Petersen, Jörg P. Kutter, Stig Pedersen‐Bjergaard   +5 more
openaire   +4 more sources

Analysis of the chemical constituents of Thompson atemoya seed oil

Revista Brasileira de Fruticultura, 2021
The objective of this study was to characterize the chemical composition in extracts of atemoya (var. Thompson) seed oil by spectrometric methods. The following extraction methods were performed: chemical extraction using hexane, mechanical extraction ...
Adneia de Fátima Abreu Venceslau, Andressa Campos Mendonça, Lilian Aparecida Zampieri Benedick, Sérgio Scherrer Thomasi, Cleiton Antônio Nunes, Luciana Matos Alves Pinto   +5 more
doaj   +1 more source