Results 21 to 30 of about 90,798 (359)

Oxidative stability and shelf life of avocado oil extracted cold and hot using discard avocado (Persea americana)

open access: yesScientia Agropecuaria, 2020
During the last years, the world avocado trade is on the rise, however, approximately 20% of the production is rejected for low caliber. This avocado discarded by low caliber can be used in the elaboration of other products, to give it added value.
Jhoseline Guillén-Sánchez   +1 more
doaj   +1 more source

Recovery and reuse of discontinuous carbon fibres by solvolysis: Realignment and properties of remanufactured materials [PDF]

open access: yes, 2016
Discontinuous carbon fibre tows were recovered after solvolysis of an aeronautic type composite made with RTM6 epoxy resin. A Sohxlet extraction method was used to quantify the organic residue on the fibre tows and showed that less than 3 wt% was ...
Bailleul, Bailleul Jean-Luc   +4 more
core   +1 more source

Comparison of Staining Efficacy between Turmeric and Eosin: A Histological Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Introduction: Turmeric-Curcuma longa is a natural dye and has been used for various purposes since centuries. The global interest to use biodegradable materials; natural dyes/stains has evoked curiosity to explore its staining efficacy.
Marin Abraham   +6 more
doaj   +1 more source

Studies of the biological and therapeutic effects of argentine stingless bee propolis [PDF]

open access: yes, 2018
Meliponids are native bees of the Americas, characterized by having no sting (ANSA). Some live in the Yunga forests of northern Argentina, a place rich in a diversity of this type of bees of which at least thirty-three species may be found. Propolis is a
Brodkiewicz, Ivana Yanina   +5 more
core   +1 more source

Polybutadiene Cross-Linked With Various Diols – Effect On Thermal Stability [PDF]

open access: yes, 2000
The relationship between cross-linking and thermal stability as related to polybutadiene is the focus of current research. Cross-linked polybutadienes have been prepared using various diols as the cross-linking agent.
McKinney, Michael A.   +2 more
core   +2 more sources

In Vitro Antioxidant and Anti-Denaturation Properties of Crude Arbutus Unedo L. Extracts from the Rif Region, Morocco [PDF]

open access: yesE3S Web of Conferences
A. unedo L. is a valuable medicinal shrub with significant therapeutic properties, commonly found in Mediterranean forests with semi-arid bioclimatic conditions, traditionally used to treat various diseases, including those related to oxidative stress ...
Benamari Omar   +8 more
doaj   +1 more source

Ultrasound Assisted Extraction of capsaicinoids from peppers [PDF]

open access: yes, 2008
The development of a rapid, reproducible and simple method of extraction of the majority capsaicinoids (nordihydrocapsaicin, capsaicin, dihydrocapsaicin, homocapsaicin and homodihydrocapsaicin) present in hot peppers by the employment of ultrasound ...
Fernández Barbero, Gerardo   +3 more
core   +2 more sources

Perforated Tube vs. Soxhlet Apparatus: A New Extraction Tool Confirming by Clove Sample and GC-Mass Analysis

open access: yesIraqi Journal of Industrial Research, 2022
In this paper, a new efficient extraction tool of bioactives from plant parts was designed, applied, and compared with Soxhlet apparatus. This tool was a Quickfit®- Pyrex® glass tube perforated easily inserted in round flask containing solvent.
Kafa Khalaf
doaj   +1 more source

5-Hydroxy-3-(4-hydroxyphenyl)-8,8-dimethyl-6- (3-methylbut-2-enyl)pyrano[2,3-h]chromen-4-one [PDF]

open access: yes, 2018
Natural and semi-synthetic compounds are being studied as novel phosphodiesterase 5 (PDE5) inhibitors for the treatment of erectile dysfunction, pulmonary hypertension, and lower urinary symptoms.
Ongaro, Alberto   +2 more
core   +1 more source

Recovery of spent coffee grounds oil using supercritical CO2: Extraction optimisation and physicochemical properties of oil

open access: yesCyTA - Journal of Food, 2019
Soxhlet and accelerated solvent extraction, using propanol as a solvent, and supercritical CO2 extraction methods presented statistically insignificant differences in the crude oil yield obtained from spent coffee grounds.
Rattana Muangrat, Israpong Pongsirikul
doaj   +1 more source

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