Results 71 to 80 of about 6,023 (239)

Structure-Activity Relationship of Flavonoids Active Against Lard Oil Oxidation Based on Quantum Chemical Analysis

Molecules, 2008
In this study, the antioxidant activities of 15 flavonoids against lard oil oxidation were determined by using the Rancimat test. Quercetin, dihydromyricetin, luteolin and kaempferol showed the strongest antioxidant activity, with protection factor ...
Zheng-Xiang Ning, Gui-Zhao Liang, Ben-Guo Liu, Ji-Guo Yang   +3 more
doaj   +1 more source

Editorial: Special Issue contributed by the 10th International Chemical and Biological Engineering Conference - CHEMPOR 2008 [PDF]

, 2009
The 10th International Chemical and Biological Engineering Conference - CHEMPOR 2008, was held in Braga, Portugal, from the 4th to the 6th of September, 2008. The conference was jointly organized by the University of Minho, the “Ordem dos Engenheiros,”
Ferreira, E. C., Mota, M.
core   +1 more source

Unveiling the Impact of Oven vs. Microwave Roasting: Enhancing the Physico‐Chemical Properties, Stability, and Bioactive Potential of Prickly Pear Seed Oil

eFood, Volume 6, Issue 5, October 2025.
The current investigation mainly focused on the improvement of oil yield and quality through conventional oven and microwave roasting. The assessment has been based on various quality traits, including bioactive components, physicochemical properties, and antioxidant activities.
Ahmed Marhri, Aymane Allay, Youssef Rbah, Mehdi Boumediene, Hana Serghini‐Caid, Abdelaaty A. shahat, Omar M. Noman, Christophe Hano, Ahmed Elamrani, Malika Abid, Mohamed Addi   +10 more
wiley   +1 more source

Opuntia Ficus-Indica Peel By-Product as a Natural Antioxidant Food Additive and Natural Anticoccidial Drug

Foods, 2023
The present study was carried out to valorize the Opuntia ficus-indica (OFI) by-products by extracting and identifying their biochemical compounds and evaluating their antioxidant potential by in vitro activities (DPPH radical and FRAP), as well as their
Meriem Amrane-Abider, Mirela Imre, Viorel Herman, Nedjima Debbou-Iouknane, Fairouz Saci, Hafid Boudries, Khodir Madani, Hafida Merzouk, Abdelhanine Ayad   +8 more
doaj   +1 more source

Bioactive Compounds, Medicinal Benefits, and Contemporary Extraction Methods for Lemon Balm (Melissa officinalis)

Food Science &Nutrition, Volume 13, Issue 9, September 2025.
Lemon balm (Melissa officinalis) is a medicinal herb renowned for its diverse pharmacological properties, including antioxidant, antimicrobial, neuroprotective, and anti‐inflammatory effects. This review explores its botanical characteristics, bioactive compounds, advanced extraction methods, and therapeutic potential, particularly in treating brain ...
Farhang Hameed Awlqadr, Ammar B. Altemimi, Syamand Ahmed Qadir, Othman Abdulrahman Mohammed, Mohammed N. Saeed, Mohammad Ali Hesarinejad, Naoufal Lakhssassi   +6 more
wiley   +1 more source

Characterization of Volatile Compounds with HS-SPME from Oxidized n-3 PUFA Rich Oils via Rancimat Tests.

Journal of Oleo Science, 2017
Algae oil and fish oil are n-3 PUFA mainstream commercial products. The various sources for the stability of n-3 PUFA oxidation are influenced by the fatty acid composition, extraction and refined processing.
Kai-Min Yang, Ming-Ching Cheng, C. Chen, C. Tseng, Li-Yun Lin, P. Chiang   +5 more
semanticscholar   +1 more source

Komparativna studija oksidacije stabilnosti različitih biljaka s rancimat metodom i oven testom

Glasnik Zaštite Bilja, 2010
Oksidacija lipida je prepoznata kao glavni problem u jestivim uljima, ona prouzrokuje važnu promjenu kemijskih, senzorskih i nutritivnih svojstava. Oksidacijska stabilnost različitih biljnih ulja istraživana je primjenom Rancimat metode baziranoj na konduktometrijskom mjerenju i Oven testom (63 oC) baziranom na određivanju peroksidnog broja ...
Moslavac Tihomir, Pozderović, Andrija, Pichler, Anita, Pirički, Perl, Antonija, Volmut, Katica, Benčić, Đani   +5 more
  +7 more sources

Effectiveness of added natural antioxidants in sunflower oil

Grasas y Aceites, 2005
The antioxidant activity of α- and δ-tocopherol, citric acid, ascorbic acid and ascorbyl palmitate was investigated in sunflower oil containing naturally occurring tocopherol.
Amalia A. Carelli, Indira C. Franco, Guillermo H. Crapiste   +2 more
doaj   +1 more source

Determination of kinetic parameters using Rancimat analysis

, 2017
The physicochemical quality parameters, the total phenols contents and the oxidative stabilities at 120 to 160 ºC of commercial extra-virgin olive oils were assessed, allowing to confirm the quality grade as well as to group them according to the total phenols contents as low (88±7 mg CAE/kg), medium (112±6 mg CAE/kg) and high (144±4 mg CAE/kg) phenols
openaire   +2 more sources

Evaluation of Protein Solubility, Lipid Oxidative Stability and Physical Properties of Hemp Seed‐Based Foods and By‐Products

Food Science &Nutrition, Volume 13, Issue 9, September 2025.
This paper represents a thorough analysis of protein solubility, lipid stability, and physical properties of four hemp seed by‐products and seven hemp seed foods to help evaluate their potential to replace less sustainable food ingredients like soya, wheat flour and palm fat.
Ricardo Ramos‐Sanchez, Nicholas J. Hayward, Wendy R. Russell, Sylvia H. Duncan, Madalina Neacsu   +4 more
wiley   +1 more source