Results 11 to 20 of about 1,113,832 (265)

Extraction of Tannic Acid from Kenaf Bast Fibre using Ultrasonic Assisted Extraction [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
Tannic acid or tannin, type of phenolic compound contains in kenaf bast fibre. Conventional extraction has certain limitations in terms of time, energy, and solvent consumption.
M. Mohamad   +7 more
doaj   +1 more source

Effects of extraction methods on the quality of elderberry seed oil

open access: yesShipin yu jixie, 2022
Objective: This study aimed to compare the effects of different extraction methods including cold pressing extraction, soxhlet extraction and subcritical butane extraction on the yield, physicochemical properties, fatty acid composition and in vitro ...
XUE Qing   +7 more
doaj   +1 more source

Preparation of Fucoidan from Laminaria japonica by Ethanol-free Extraction Process

open access: yesShipin gongye ke-ji, 2022
In this study, based on the traditional hot water extraction-ethanol precipitation method for fucoidan, the ethanol-free extraction process of kelp fucoidan was studied in accordance with the difference in the fucose contents and sulfate groups of ...
Yanhong CHEN   +8 more
doaj   +1 more source

ISOLATION OF A GLYCININ-RICH PROTEIN FROM DEFATTED SOYBEAN [PDF]

open access: yesJournal of Food and Dairy Sciences, 2007
Defatted soybean flour was subjected to isolation procedures as follows: NaOH extraction / acid precipitation, water extraction / acid precipitation, NaOH extraction / cryoprecipitation and citric acid extraction / cryoprecipitation.
S. Abusalloum, S. Hasan, R. Abdolgader
doaj   +1 more source

Optimization and Mathematical Model Analysis on Extraction of Chlorogenic Acid from Chrysanthemum indicum by Enzyme-assisted Polyethylene Glycol-200

open access: yesLiang you shipin ke-ji, 2021
This study analyzes the extraction conditions of enzyme-assisted polyethylene glycol (PEG)-200 extraction of chlorogenic acid from Chrysanthemum indicum.
LIU Xia, FANG Xiao-jun, PENG Min-juan
doaj   +1 more source

EXTRACTION OF CARBOXYLIC ACIDS BY AMINE EXTRACTANTS [PDF]

open access: yes, 1989
This work examines the chemistry of solvent extraction by long-chain amines for recovery of carboxylic acids from dilute aqueous solution. Long-chain amines act as complexing agents with the acid, which facilitates distribution of the acid into the organic phase.
Tamada, J.A., King, C.J.
openaire   +3 more sources

Investigating the relationship between the Khami reservoir horizon in the Chilingar and Garangan oilfields in the Southern Dezful Embayment using surface geochemistry [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches
Understanding reservoir connectivity is critical for reducing exploration risk and optimizing field development. This study uses surface geochemistry techniques to investigate the relationship between the Khami reservoir horizon in the Chilingar and ...
Bahram Alizadeh   +1 more
doaj   +1 more source

Plasininogen Purification by Acid Extraction

open access: yesExperimental Biology and Medicine, 1950
SummaryThe procedures described above utilize a previously undescribed property of plasminogen, solubility in dilute mineral acid, to extract it from placental and plasma fractions. Purification of over 250-fold has been obtained by successive extractions with 0.2N H2SO4 and precipitations at pH 5.2.
L R, CHRISTENSEN, D H, SMITH
openaire   +2 more sources

Isolation and Identification of Ellagic Acid from Rosa roxburghii Tratt and Its Optimization of Extraction Process

open access: yesShipin gongye ke-ji, 2023
Objective: The purpose of this study was to establish a method for the isolation and purification of ellagic acid from Rosa roxburghii Tratt and to investigate the optimal acidification process condition for extraction of ellagic acid from Rosa ...
Yujie LIU   +8 more
doaj   +1 more source

Extraction and characterization of pectin from selected indigenous fruits for further commercial application in food industries

open access: yesFood Agricultural Sciences and Technology (FAST), 2023
The aims of this study were to extract pectin from selected indigenous fruits, including breadfruit, papaya and santol as well as investigate the chemical and physical properties of extracted pectin to address the potential of these fruits
Jittawan Kubola   +3 more
doaj  

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