4 results for “Anthraquinone”

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Research ArticleOpen accessEvery word in the titleNatural Repellent Anthraquinone Applied on Cereal Grain Seeds and Seedlings Against Pigeons (Columba livia) in CaptivityKan Khoomsab, Itsara TangsuwanThis research aims to test the effects of cassia leaf extract on the eating behavior of pigeons for application as a natural repellent. Senna siamea (Cassia) leaves were oven-dried and blended into fine pieces and processed by the simplest extraction method (maceration) with ethyl alcohol 70% solution and were then extracted with hot continuous extraction (Soxhlet extraction) with ethyl alcohol … …American Journal of Agricultural and Biological Sciences, Vol. 14, Issue 1 · 16 Dec 2019 · 7,456 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsEffect 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 PDF Cite

Research ArticleOpen accessIn the abstractImpedance Behavior of Some Reactive Systems in Aprotic SolventsHossnia S. MohranAC-Impedance Spectroscopic (IS) measurements in the frequency range 10 Hz ≤ f ≤ 50 kHz for some reactive systems such as diphenylanthracene (DPA), ferrocene and anthraquinone are investigated. The experiments are carried out in pure and dry dichloromethane (CH2Cl2), acetonitrile (CH3CN) and N,N- dimethylformamide (DMF) containing tetrabutylammonium perchlorate (TBAP) as supporting electrolyte. The IS diagrams of these systems are characterized … …American Journal of Applied Sciences, Vol. 2, Issue 12 · 31 Dec 2005 · 6,948 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAntimicrobial Potential of Ethanol Extract from Some Plants Against Staphylococcus aureus and Pseudomonas aeruginosaFeskaharny Alamsjah, Anthoni Agustien et al.The number of reports of bacterial infections that are difficult to treat with antibiotics has led to the need for new alternatives for the treatment of resistant bacterial infections. One alternative is to utilize phytochemical bioactive compounds derived from natural ingredients which contain antimicrobial compounds. Some plants medicine from Sumatra island that should have potential as antimicrobials are the leaves … …OnLine Journal of Biological Sciences, Vol. 24, Issue 3 · 19 Mar 2024 · 6,890 accessesView PDF Cite