Results 31 to 40 of about 20,083,260 (392)

Thermal Degradation of Vegetable Oils

open access: yesFoods, 2023
Vegetable oils provide lipids and nutrition and provide foods with a desirable flavor, color, and crispy texture when used to prepare fried foods. However, the oil quality is degraded at elevated temperatures, and thus must be examined frequently because
Yi-Hsiou Tsai   +4 more
doaj   +1 more source

Rapid Determination of Peroxide Value and Acid Value in Rice Bran Oil Using Near Infrared Spectroscopy Coupled with Partial Least Squares Regression

open access: yesLiang you shipin ke-ji, 2023
Near infrared spectroscopy was applied to the rapid determination of peroxide value and acid value in rice bran oil. Using chemical titration to determine the content of peroxide value and acid value in rice bran oil as a reference method, using near ...
PENG Zhi-bing   +3 more
doaj   +1 more source

Stability of B50 biodiesel added with glycerol ester additive based on palm oil oleic acid

open access: yesMenara Perkebunan, 2023
Biodiesel in Indonesia is a mixture of Fatty Acid Methyl Ester (FAME) and diesel oil. Mixing FAME and diesel oil is challenging since FAME is separated from diesel oil at low temperatures.
Firda Dimawarnita   +2 more
doaj   +1 more source

Evaluation of Potentiometric Methods for Acid Number Determination in Commercial Biodiesel Samples and Proposal of Alternative Method

open access: yesOrbital: The Electronic Journal of Chemistry, 2018
The acid number (AN) is an important parameter that informs the quantity of free fatty acids (FFA) and acids originating from degradation reactions of biodiesel during production process and its storage.
Ellen Paula da Silva Santos   +4 more
doaj   +3 more sources

Determination Of Amino Acid Composition Of Broсcoli Cabbage Protein [PDF]

open access: yes, 2018
A wide range of fresh fruits and vegetables grown in different geographical areas and represented in International trade networks has changed the consumers' approaches to their choice.
Belinska, S. (Svitlana)   +3 more
core   +2 more sources

Nutritional requirements for the production of dithiolopyrrolone antibiotics by Saccharothrix algeriensis NRRL B-24137 [PDF]

open access: yes, 2006
The amino acid and humic acid requirements of Saccharothrix algeriensis NRRL B-24137 for growth and production of the dithiolopyrrolone antibiotics were studied in a semi-synthetic medium (SSM).
Bouras, Noureddine   +3 more
core   +2 more sources

Electricity-assisted production of caproic acid from grass [PDF]

open access: yes, 2017
Background: Medium chain carboxylic acids, such as caproic acid, are conventionally produced from food materials. Caproic acid can be produced through fermentation by the reverse beta-oxidation of lactic acid, generated from low value lignocellulosic ...
Andersen, Stephen   +3 more
core   +2 more sources

Evolution of oxidation in soybean oil and its biodiesel under the conditions of the oxidation stability test

open access: yesGrasas y Aceites, 2013
The objective of this study was to know the evolution of the oxidation of soybean oil and biodiesel under the conditions of the oxidation stability test (110 °C) using the Rancimat apparatus.
G. G. Pereira   +3 more
doaj   +1 more source

Quality Changes of Grass Carp Visceral Fish Oil under Different Storage Temperatures

open access: yesShipin gongye ke-ji, 2023
In order to explore the quality changes of grass carp visceral fish oil under different storage temperatures, the grass carp visceral fish oil was extracted by enzymatic method. The visceral fish oil of grass carp was stored at cold storage (4 ℃), normal
Zhengyun WANG   +5 more
doaj   +1 more source

Effect of Curcumin Natural Antioxidant on Oxidative Stability of Commercial Biodiesels from Different Raw Materials

open access: yesOrbital: The Electronic Journal of Chemistry, 2019
Biodiesel emerges as an alternative biofuel for fossil ones because it is less polluting and can be produced from renewable sources. However, biofuels are generally more susceptible to auto-oxidation than fossil ones. Some fundamental characteristics in
Mikaelly Nayara Santos   +5 more
doaj   +3 more sources

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