Results 21 to 30 of about 2,653,426 (391)

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

EFFECT OF SOLVENT AND EXTRACTION TIME VARIATION ON THE COFFEE OIL EXTRACTION RESULTS

open access: yesChimica Didactica Acta, 2023
The traditional coffee with the greatest taste is called arabica. One of the ingredients made from coffee beans and used for air freshener is coffee oil.
Marisa Fitria   +4 more
doaj   +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

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

Total Triterpenes, Polyphenols, Flavonoids, and Antioxidant Activity of Bioactive Phytochemicals of Centella asiatica by Different Extraction Techniques

open access: yesFoods, 2023
Obtaining phytochemical-rich plant extracts from natural products where the active ingredients are present in comparatively low levels in the tissue matrix is the critical initial step of any chemical analysis or bioactivity testing.
Rasangani Sabaragamuwa, Conrad O. Perera
doaj   +1 more source

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

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   +1 more source

EXTRACTION OF JOJOBA OIL USING VARIOUS CONCENTRATIONS OF TWO DIFFERENT SOLVENTS

open access: yesThe Iraqi Journal of Agricultural science, 2019
The aim of this study was extraction of jojoba oil using different solvents. A mixture of water-hexane and water-ethanol are used as solvents to extract jojoba oil in a batch extraction process and compared with a pure solvent extraction process.
Abdulraheem & et al.
doaj   +1 more source

Simultaneous Distillation–Extraction of Essential Oils from Rosmarinus officinalis L.

open access: yesCosmetics, 2021
The present study describes a procedure to isolate essential oils from Rosmarinus officinalis L. using simultaneous distillation–extraction (SDE). Rosmarinus officinalis L.
Bárbara Silva Ribeiro   +3 more
doaj   +1 more source

Ultrasound increases the aqueous extraction of phenolic compounds with high antioxidant activity from olive pomace [PDF]

open access: yes, 2018
Olive pomace is a waste produced by the olive oil industry in massive quantities each year. Disposal of olive pomace is difficult due to high concentrations of phenolic compounds, which is an environmental concern.
Goldsmith, Chloe D.   +4 more
core   +1 more source

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