Results 21 to 30 of about 4,932 (159)

Structural Changes in Milled Wood Lignin (MWL) of Chinese Quince (Chaenomeles sinensis) Fruit Subjected to Subcritical Water Treatment

open access: yesMolecules, 2021
Subcritical water treatment has received considerable attention due to its cost effectiveness and environmentally friendly properties. In this investigation, Chinese quince fruits were submitted to subcritical water treatment (130, 150, and 170 °C), and ...
Wen-Yue Wang   +5 more
doaj   +1 more source

Research Progress in Subcritical Water Extraction of Bioactive Substances from Plants

open access: yesShipin gongye ke-ji, 2022
Plant derived bioactive substances such as polyphenols and polysaccharides play an important role in functional and health food because of their antioxidant and anti-tumor properties.
Xue BAI   +5 more
doaj   +1 more source

Conversion of Biomass to Organic Acids by Liquefaction Reactions Under Subcritical Conditions

open access: yesFrontiers in Chemistry, 2020
Recently, liquefaction of biomass in subcritical water to convert it into value-added substances has been broadly attracting attention. However, there is a gap in literature about the levulinic acid, which is a high worth substance, production from ...
Aslı Yüksel Özşen
doaj   +1 more source

Subcritical Water Extraction [PDF]

open access: yes, 2013
Extraction always involves a chemical mass transfer from one phase to another. The principles of extraction are used to advantage in everyday life, for example in making juices, coffee and others. To reduce the use of organic solvent and improve the extraction methods of constituents of plant materials, new methods such as microwave assisted extraction
Asl, A. Haghighi, Khajenoori, M.
openaire   +2 more sources

Conversion and Hydrothermal Decomposition of Major Components of Mint Essential Oil by Small-Scale Subcritical Water Treatment

open access: yesMolecules, 2020
Thermal stabilities of four major components (l-menthol, l-menthone, piperitone, and l-menthyl acetate) of Japanese mint essential oil were evaluated via subcritical water treatment.
Tai-Ying Chiou   +11 more
doaj   +1 more source

Understanding biomass fractionation in subcritical & supercritical water [PDF]

open access: yesThe Journal of Supercritical Fluids, 2018
Producción ...
María José Cocero   +6 more
openaire   +1 more source

Solubility of Benzo[a]pyrene and Organic Matter of Soil in Subcritical Water

open access: yesCroatica Chemica Acta, 2015
A dynamic subcritical water extraction method of benzo[a]pyrene from soils is under consideration. The optimum conditions for benzo[a]pyrene extraction from soil are described including the soil treatment by subcritical water at 250 °C and 100 atm for 30
Svetlana Sushkova   +9 more
doaj   +1 more source

Stability and Extraction of Vanillin and Coumarin under Subcritical Water Conditions

open access: yesMolecules, 2020
In order to facilitate the development of the green subcritical water chromatography technique for vanillin and coumarin, the stability of the compounds under subcritical water conditions was investigated in this work.
Ninad Doctor   +5 more
doaj   +1 more source

Effects of Different Producing Areas and Extraction Methods of Polyphenols from Phyllanthus emblica L.

open access: yesShipin gongye ke-ji, 2023
In this paper, Phyllanthus emblica from Guangdong, Guangxi, Fujian, Yunnan and Hainan were selected, and the content of polyphenols and antioxidant activities were compared and analyzed by subcritical water extraction, microwave-hot water extraction ...
Xiaoqiang LI   +5 more
doaj   +1 more source

Leaching of coals with subcritical water

open access: yesInternational Journal of Coal Preparation and Utilization, 2019
The effects of subcritical water and organic acid additives on the leaching of three low-rank Turkish coals, Can Tuncbilek, and Soma which have high ash and moderate sulfur contents were investigat...
Giray, E. Sultan   +2 more
openaire   +3 more sources

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