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61 articles for “Water Extraction”
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Research ArticleOpen accessPhrase in the titleEffect of Temperature on the Color of Natural Dyes Extracted Using Pressurized Hot Water Extraction MethodNursyamirah Abd Razak, Siti Marsinah Tumin, Ruziyati TajuddinProblem statement: Traditionally, extraction of natural dyes with boiling method produced only one single tone of colorant/dyes which involved plenty of water in several hours of extraction time. A new modern extraction technique should be introduced especially to textile dyers so that a variety of tone of colorants can be produced in a shorter time with less consumption of water. … …American Journal of Applied Sciences, Vol. 8, Issue 1 · 31 Jan 2011 · 9,850 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleApplication of Water-Soluble Polymers for Extraction Separation of Amino Acids of Various StructuresNadezhda Yakovlevna Mokshina, Dmitry Vladimirovich Bykovskiy, Gennadiy Valentinovich Shatalov, Oksana Anatolievna PakhomovaThis article actualizes the task of developing new methods for extraction separation of amino acids for the analysis and purification of target components in the production of food supplements, pharmaceuticals, agricultural products and cosmetics; it also presents the extraction separation results for binary mixtures of histidine, proline and methionine using water-soluble homo- and co-polimers with various molecular weight values. We … …American Journal of Applied Sciences, Vol. 12, Issue 12 · 10 Dec 2015 · 6,641 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEXTRACTION OF QUERCETIN FROM POLYGONUM HYDROPIPER L. BY SUBCRITICAL WATERA. V. Lekar, S. N. Borisenko, E. V. Vetrova et al.The new method of quercetin extraction from Polygonum hydropiper L. by subcritical water was developed. High performance liquid chromatography was used for identification and quantification of flavonoids in the extract. The new method is environmentally friendly and more effective (7.6-times) than traditional flavonoids extraction methods using expensive and toxic organic solvents. …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 1 · 23 Nov 2013 · 8,612 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleExtraction and Identification of Water-Soluble Compounds in Palm-Pressed Fiber by SC-CO2 and GC-MSHarrison Lau Lik Nang, Choo Yuen May, Ma Ah Ngan, Chuah Cheng HockThe residual oil recovered from palm-pressed fiber is known to contain high level of carotenes (4,000 mg kgˉ1 to 6,000 mg kgˉ1) and vitamin E such as tocopherols and tocotrienols (2,000 mg kgˉ1 to 3,000 mg kgˉ1). In this study, the water-soluble compounds in fresh palm-pressed fiber were recovered by supercritical carbon dioxide (SC-CO2) extraction. The concentration of these compounds … …American Journal of Environmental Sciences, Vol. 3, Issue 2 · 30 Jun 2007 · 8,323 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSHALE GAS EXTRACTION AND WATER CONSUMPTION IN NORTH CAROLINA: A PRIMERManoj K. Jha, Daniel G. FernandezAbout 25,000 acres of area underlying the Deep and Dan River Basins in North Carolina has been identified to contain large shale gas reservoirs that could be used for the natural gas production. This study attempted to quantify the impact of potential hydraulic fracturing (or fracking) activities in the existing water resources of North Carolina. Supply and demand analysis was … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 1 · 10 Apr 2014 · 8,029 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInhibitory Effects of Artemisia afra Extracts on the Bio-Activity of Banana TyrosinaseTsholofelo Motshologane, Jacobus Pieter Hough Van WykMelasma, formerly known as chloasma, is an acquired pigmentary condition, occurring most commonly on the face of humans. This disorder, which is more prevalent in females and darker skin types, is predominantly attributed to Ultraviolet (UV) exposure and hormonal influences. This condition is caused by an over-production of melanin, a pigment that gives color to the skin, hair, and eyes … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 18 Jan 2025 · 4,618 accessesView PDFCite
Review ArticleOpen accessIn the keywordsAnalysis of Benzo[a]Pyrene Contamination from an Long-Term Contaminated SoilSvetlana Sushkova, Tatiana Minkina, Abdulmalik Batukaev et al.Analysis of benzo[a]pyrene contamination from an aged contaminated chernozemic, meadow-chernozemic and alluvial soils under the effect of aerotechnogenic emissions from the Novocherkassk regional power plant have been revealed on the basis of annual monitoring studies from 2008 to 2012. A new ecologically clean highly-effective express-method of subcritical water extraction has been developed for determination of benzo[a]pyrene from soils of the … …American Journal of Biochemistry and Biotechnology, Vol. 12, Issue 1 · 16 Nov 2015 · 7,868 accessesView PDFCite
Research ArticleOpen accessIn the keywordsExtraction, Purification and Characterization of Fish Chymotrypsin: A ReviewLiang Zhou, Suzanne M. Budge, Abdel E. Ghaly et al.Problem statement: Solid fish waste is generated from the unwanted parts of fish including heads, tails, fins, frames, offal (guts, kidney and liver) and skin. It accounts for up to 80% of material from production of surimi, 66% from production of fillet and 27% from production of headed and gutted fish. Currently, fish wastes are disposed off in land-based waste … …American Journal of Biochemistry and Biotechnology, Vol. 7, Issue 3 · 22 Sep 2011 · 10,585 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAtmospheric Moisture Condensation to Water Recovery by Home Air ConditionersAmir Hossein Mahvi, Vali Alipour, Leila RezaeiEarth’s atmosphere contains billion cubic meters of fresh water, which is considerable as a reliable water resource, especially in sultry areas. What is important in this context, how to extract the water, in an economic manner. In order to extract water from air conditioner, no need to spend any cost, because water produced as a by-product and trouble production. This … …American Journal of Applied Sciences, Vol. 10, Issue 8 · 24 Jul 2013 · 7,925 accessesView PDFCite
Research ArticleOpen accessIn the abstractFabrication of Polysaccharides from a Fermented Tea and Their Antioxidant and Hypoglycemic ViabilityJun Li, Lingxian Tong, Bing Li et al.The hypoglycemic effects of tea have been extensively studied, with fermented tea demonstrating notable efficacy owing to its distinct processing methods. This study involved the extraction of tea polysaccharides from Wuniuzao Black Tea (WTP) using a water extraction and ethanol precipitation method. WTP-1 and WTP-2 were obtained by separation and purification using DEAE-52 cellulose columns. Antioxidant activity was evaluated utilizing … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 2 · 30 Jul 2026 · 655 accessesView PDFCite