Extraction yield
Where Y is the extraction yield; β
... The extraction conditions were optimized by RSM. We concluded that extraction yield was dependent on all the linear terms (enzyme amount, liquid/solid ratio, time and temperature), and all the ...
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J. Braz. Chem. Soc. vol.18 número4
... the extraction yield was calculated by comparing the peak areas for extracted HOME, OME and OMES from spiked plasma with a standard solution of the same analytes in methanol containing internal standard ...
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Antioxidant activity and phenolic content of extracts from different Pterospartum tridentatum populations growing in Portugal
... the yield and composition of the extracts was evaluated, in order to select the most appropriate harvest ...the extraction yields have some differences with the harvest period but the highest yield ...
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Quím. Nova vol.35 número10
... One characteristic of a molecule that contributes to its solu- bility is molar mass. Molecules with the same structure become less soluble as the molar mass increases. The classic diagram of separation of asphaltenic ...
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Braz. J. Chem. Eng. vol.33 número4
... the extraction yield was investigated and the results are shown in Figure ...the extraction of wedelo- ...maximum extraction yield is obtained using methanol followed by ...the ...
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Obtaining anthocyanin-rich extracts from frozen açai (Euterpe oleracea Mart.) pulp using pressurized liquid extraction
... The growing interest in the recovery of biocompounds such anthocyanins from vegetal matrices with possible applications in the food, pharmaceutical and cosmetic industries represents an important opportunity (Machado et ...
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How Does Alkali Aid Protein Extraction in Green Tea Leaf Residue: A Basis for Integrated Biorefinery of Leaves.
... alkaline extraction, but overuse of chemicals and low quality of (denatured) protein limits its ...protein extraction of green tea leaf residue, and use these results for further improvements in alkaline ...
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Braz. J. Chem. Eng. vol.28 número2
... whereas the non-volatile compounds were extracted at higher pressure (12 to 20 MPa). The analysis of the essential oil was carried out by GC-MS and the main compounds identified were sabinene, limonene, D-germacrene, ...
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Braz. J. Chem. Eng. vol.29 número4
... constant extraction rate through the extraction time due to the high vapor-pressure of the ...falling extraction rate, when present, was short and it is related with the diffusion of the extract from ...
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Braz. J. Chem. Eng. vol.23 número2
... high-pressure extraction and fractionation of lemongrass essential oil using molecular ...laboratory-scale extraction unit coupled with a column with four different stationary phases for fractionation: ZSM5 ...
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Supercritical Extraction and Modeling of Citrullus Colocynthis Plant Using Carbon Dioxide
... the yield at different pressure that obtained through tests in laboratory with the predicted value of the mathematical model to understand the ...the yield convert from ...the yield is ...
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Braz. J. Chem. Eng. vol.29 número2
... Soxhlet extraction recovers the maximum amount of oil extractable from the seed, the best yield value obtained with the SFE technique was approximately 45% of the total extractable ...conventional ...
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Stratified mass selection of promising Spondias mombin clones in a commercial crop
... ABSTRACT - This study aimed to estimate genetic parameters and identify promising clones of Spondias mombin in ungrafted commercial crop by stratified mass selection, based on the average of two harvests, using mixed ...
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J. Braz. Chem. Soc. vol.22 número1
... of extraction solvent is an essential consideration in USAEME for eficient ...high extraction capability of the analytes and low solubility in ...as extraction solvent. The effect of these solvents ...
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J. Braz. Chem. Soc. vol.16 número3B
... liquid-liquid extraction, solid-phase extraction and supercritical fluid extraction, to simultaneously determine the pesticides tebuthiuron, hexazinone, diuron, 2,4-D and ametrine in water matrices, ...
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INFLUENCE OF MICROWAVE IRRADIATION ON KINETICS AND THERMODYNAMICS OF EXTRACTION OF FLAVONOIDS FROM Phyllanthus emblica
... The extraction kinetics revealed the existence of two phases – a rapid washing phase and a slower diffusion ...and extraction temperature were observed to influence extraction kinetics, with the ...
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Evaluation of solvents extractors of rutin from Dimorphandra Gardneriana (leguminosae) and in vitro antioxidant tests / Avaliação de solventes extratores de rutina de Dimorphandra Gardneriana (leguminosae) e testes antioxidantes in vitro
... The yield of the extracts were: ...the extraction processes, the rutin yield was equivalent for all extractions except for the one with ...the extraction, can be replaced with ethanol or ...
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Greater than X kb: a quantitative assessment of preservation conditions on genomic DNA quality, and a proposed standard for genome-quality DNA
... The method proposed does not depend on the choice of fragment size as a threshold for “genomic quality.” One could as well pick the HindIII 564, 2,027 or other fragment sizes as a standard. From the point of view of a ...
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Rev. bras. farmacogn. vol.27 número4
... the extraction parameters (ethanol graduation, previous shaking time in an ultrasound bath and drug/solvent ratio) on the yield of artemisinin in the liquid extract obtained by percolation from ...the ...
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J. Braz. Chem. Soc. vol.23 número1
... and extraction solution volume (BE), shown in Pareto Charts of Figure 2, indicating significant for most of the ...an extraction volume of 8 mL for most ...when extraction volume increased with the ...
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