Results 1 to 10 of about 301,430 (117)

2-methyloxolane as alternative solvent for lipid extraction and its effect on the cactus (Opuntia ficus-indica L.) seed oil fractions☆

open access: yesOilseeds and fats, crops and lipids, 2020
The potential of 2-methyloxolane (2-MeO) as an alternative solvent to extract cactus seed oil was compared, in qualitative and quantitative terms, with that of n-hexane, a solvent commonly used for the extraction of edible or cosmetic oils.
Gharby Said   +5 more
doaj   +1 more source

Higher Yield and Polyphenol Content in Olive Pomace Extracts Using 2-Methyloxolane as Bio-Based Solvent

open access: yesFoods, 2022
Despite its severe toxicity and negative environmental impact, hexane remain the solvent of choice for the extraction of vegetable oils. This is in contrast with the constantly growing demand for sustainable and green extraction processes.
Christian Cravotto   +9 more
doaj   +1 more source

Nanostructured Na2CaP2O7: A New and Efficient Catalyst for One-Pot Synthesis of 2-Amino-3-Cyanopyridine Derivatives and Evaluation of Their Antibacterial Activity

open access: yesApplied Sciences, 2022
A facile and novel synthesis of thirteen 2-amino-3-cyanopyridine derivatives 5(a–m) by a one-pot multicomponent reactions (MCRs) is described for the first time, starting from aromatic aldehydes, malononitrile, methyl ketones, or cyclohexanone and ...
Redouane Achagar   +9 more
doaj   +1 more source

A Highly Efficient Environmental-Friendly Adsorbent Based on Schiff Base for Removal of Cu(II) from Aqueous Solutions: A Combined Experimental and Theoretical Study

open access: yesMolecules, 2021
Removal of heavy metals from drinking water sources and rivers is of strategic health importance and is essential for sustainable ecosystem development, in particular in polluted areas around the globe. In this work, new hybrid inorganic-organic material
Said Tighadouini   +7 more
doaj   +1 more source

Diosgenin: Chemistry, extraction, quantification and health benefits

open access: yesFood Chemistry Advances, 2023
The occurrence of natural bioactive compounds is increasingly involved with pharmaceutical industries' exploring more source matrices. Diosgenin is a lot of delved bioactive compound naturally occurring in Trigonella foenum graecum, Dioscorea alata ...
Prajya Arya   +2 more
doaj   +1 more source

Micronized Prinsepia utilis Royle Seed Powder as a Natural, Antioxidant-Enriched Pickering Stabilizer for Green Cosmetic Emulsions

open access: yesCosmetics
The valorization of agricultural byproducts into functional cosmetic ingredients is a promising strategy for sustainable formulation development. In this work, raw Prinsepia utilis Royle seed residue powder (RPURSRP) which was discarded after oil ...
Chuanjun Ye   +4 more
doaj   +1 more source

Quality Assessment of Ground Water in Dhamar City, Yemen

open access: yesInternational Journal of Environment, 2018
Chemical and statistical regression analysis on groundwater at five fields (17 sampling wells) located in Dhamar city, the central highlands of Yemen, was carried out.
Hefdallah Al Aizari   +3 more
doaj   +1 more source

Three New Ent-Kaurane Diterpenes with Antibacterial Activity from Sigesbeckia orientalis

open access: yesMolecules
Three novel ent-kaurane diterpenes, namely sigesbeckin A–C (1–3), in conjunction with eight previously identified analogues (4–11), were isolated from Sigesbeckia orientalis. Their chemical structures were resolved through multiple spectroscopic analyses.
Zhong-Shun Zhou   +6 more
doaj   +1 more source

Local Static Hold-up in a Rotary Sieved Disc Contactor for a Butyl Acetate-water System

open access: yesInternational Journal of Technology, 2016
Considering the importance of liquid static holdup in liquid-liquid extraction columns, a novel experimental approach for predicting the mentioned parameter in a rotary sieved disc contactor has is presented in this research.
Fatemeh Behzad   +4 more
doaj   +1 more source

Magnet Integrated Fabric Phase Sorptive Extraction (MI-FPSE): A Powerful Green(er) Alternative for Sample Preparation

open access: yesAnalytica, 2022
Green(er) sample preparation technologies still dominate as the anticipated improvement in all analytical protocols. Separation scientists all over the world continuously strive to comply with the Green Analytical Chemistry (GAC) demands.
Victoria Samanidou, Abuzar Kabir
doaj   +1 more source

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