Results 11 to 20 of about 593,501 (343)

Extraction of Anthocyanins and Total Phenolic Compounds from Acai (Euterpe oleracea Mart.) Using an Experimental Design Methodology. Part 2: Ultrasound-Assisted Extraction [PDF]

open access: yes, 2020
Two optimized methods for ultrasound-assisted extraction were evaluated for the extraction of two types of acai bioactive compounds: Total anthocyanins (TAs) and total phenolic compounds (TPCs).
Aliaño González, María José   +7 more
core   +1 more source

Extraction of anthocyanins and total phenolic compounds from açai (euterpe oleracea mart.) using an experimental design methodology. part 1: Pressurized liquid extraction [PDF]

open access: yes, 2020
Currently, açai is one of the most important fruits present in the world. Several studies have demonstrated its high content in phenolic compounds and anthocyanins.
Aliaño González, María José   +7 more
core   +1 more source

Optimization of a new extraction technique for analysis of verbenone and cis-verbenol in pine seeds [PDF]

open access: yes, 2007
Results from a systematic study of the factors affecting extraction of cis-verbenol and verbenone from pine seeds are presented. Five extraction conditions were investigated: extraction solvent, method of extraction, extraction temperature, volume of ...
Fernández Barbero, Gerardo   +3 more
core   +2 more sources

Optimizing a sustainable ultrasound assisted extraction method for the recovery of polyphenols from lemon by-products:comparison with hot water and organic solvent extractions [PDF]

open access: yes, 2018
Response surface methodology (RSM) based on a three-factor and three-level Box–Behnken design was employed for optimizing the aqueous ultrasound-assisted extraction (AUAE) conditions, including extraction time (35–45 min), extraction temperature (45–55 ...
Bowyer, Michael C.   +6 more
core   +2 more sources

Evaluation of a two-phase extraction system of carbohydrates and proteins from chlorella vulgaris utex 1803 [PDF]

open access: yes, 2016
Microalgae are a valuable source of high-value products and biofuels, however the high-energy cost required for the extraction of their metabolites has kept questioning on possible industrial upgrading. The aim of this study was to evaluate the effect of
Andrés, F.   +7 more
core   +1 more source

OPTIMIZATION OF MICROWAVE ASSISTED EXTRACTION PROCESS ON OLEORESIN OF KUWENI MANGO PEELS EXTRACTS USING SURFACE RESPONSE METHODOLOGY

open access: yesAgrointek, 2021
Mango peel is a byproduct that is wasted when processing the fruit into certain products. One mango peel utilization is by extracting the oleoresin content in it.
Abdurrahman Hanif   +2 more
doaj   +1 more source

Extraction of bioactive polyphenols with high antioxidant activity from bilberry (Vaccinium myrtillus L.) processing waste [PDF]

open access: yes, 2016
Bioactive polyphenols were extracted from the peel fraction of bilberry processing waste using aqueous ethanol as solvent. A response surface methodology was used to evaluate the effects of liquid-to-solid ratio (R), solvent composition (C), extraction ...
Fidaleo, Marcello   +2 more
core   +3 more sources

DETERMINATION OF OPTIMAL EXTRACTION PARAMETERS OF POLYPHENOLS FROM FORSYTHIA EUROPAEA DEGEN & BALD. BLOOM USING RESPONSE SURFACE METHODOLOGY

open access: yesStudia Universitatis Babes-Bolyai Chemia, 2020
The study was designed to examine the influence of ethanol and acetone solvent concentration, extraction time (45-135 min) and extraction technique: maceration and ultrasound extraction on the extraction of total phenolics and flavonoids from petals of ...
Danijela KOSTIĆ   +5 more
doaj   +1 more source

Screening the effect of four ultrasound-assisted extraction parameters on hesperidin and phenolic acid content of aqueous citrus pomace extracts [PDF]

open access: yes, 2018
Polyphenols of citrus by-products, due to their antioxidant and antimicrobial activities, could be valorized by pharmaceutical and food industries, adding a value to the citrus processing companies.
Bowyer, Michael C.   +6 more
core   +2 more sources

Ionic Liquid Screening for Solvent Design of Herbal Phytochemical Extraction

open access: yesChemical Engineering Transactions, 2017
Ionic liquids (ILs) have been used in many applications and currently have been a favourable solvent in separation technology due to their solvation power compared to organic solvent.
N.R.H.A. Rahman   +2 more
doaj   +1 more source

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