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1223 articles for “ACID”
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Studies on the Chemical and Microbiological Safety of Raw Materials Used in Selected Baking Industries in Bangladesh
Abstract: The study was designed to determine the quality of raw materials of baking products in a surveillance system. The monitoring system of different raw materials used in selected biscuit factories was investigated periodically. The average value of wheat flour moisture, gluten and acidity was 11.36, 11.21, and 0.10% respectively during their surveillance period. In case of soya-flour, the moisture, fat and protein it was 3.30, 18.30 and 37.85% respectively. Again …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 7, Issue 2, 2017 · pp. 20–25 Read article
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Photo-Assisted Room Temperature Synthesis of Brightly Fluoresce ZnSe Quantum Dots in Aqueous Medium
Abstract: The ZnSe quantum dots (QDs) have gained considerable research interest as an alternative to heavy-metal-based QDs and are non-toxic, have strong emission in UV-blue region, and with wider band gap are suitable for doping various ions to tune their optical and electronics properties. For biological applications, aqueous stability of QDs is an indispensable prerequisite. Mercapto-carboxylic acids such as mercaptopropionic acids (MPA), thioglycolic acids (TGA), etc., are commonly used for providing …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 2, 2014 · pp. 5–13 Read article
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Estimation of Aqueous Solubility of Tri-n-Butyl Phosphate by Refractive Index Measurement at 298.15 K
Abstract: Presence of dissolved tri-n-butyl phosphate (TBP) in the aqueous nitric acid solutions, can lead to runaway reactions in presence of nitric acid at temperature more than 130o C. Therefore, the concentration of dissolved TBP in the aqueous nitric solutions is an important control parameter for safe operation of product/waste evaporators. The experimental measurements of refractive index of six aqueous solutions of TBP in the range of 0-400 mg/L were performed …
Published in Journal of Nuclear Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 24–27 Read article
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Removal of (Ni- So4- Cl2) by Using Onions Peel from Wastewater
Abstract: Rare metals and heavy metals pose a threat to the environment due to many processes, whether natural such as weathering or human beings such as mining, agriculture, industrial activities and burning fossil fuel and vehicle emissions, and their presence poses a significant environmental risk because their toxicity represents many forms of life. They are nonbiodegradable, and highly toxic chemicals. Previous studies have suggested that biomass techniques can be absorbed by …
Published in Journal of Water Pollution & Purification Research · Vol. 7, Issue 2, 2020 · pp. 12–16 Read article
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Experimental Study to Improve the Quality of Dehydrated Button Mushrooms (Agaricus bisporus)
Abstract: Mushrooms are popular for their delicacy and flavour rather than food value. However, it is well established fact that they are excellent sources of minerals and vitamins such as B-complex and vitamin C. In addition, mushrooms contain 1.1–8.2% lipids, 4.0–8.1% carbohydrates and 3–32% fibers on dry weight basis. It contains about 90% moisture. The present investigation was undertaken to study the effect of 10 min dipping or vacuum infusion pretreatments …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 6, Issue 2, 2017 · pp. 11–19 Read article
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Phytochemical Analysis of Organic Compounds as an Indicator of Metal Uptake in Selected Plants
Abstract: Plants contain a number of potential chelating agents such as amino acids, organic acids, peptides, and proteins, etc. These chelating compounds are very important for the physiological processes in plants. In addition, these ligands are found in both hyperaccumulator and non-hyperaccumulator plants and play a vital role in metal uptake from contaminated soil. Many organic compounds have been found to bind and accumulate trace and toxic metals in hyperaccumulating plants. …
Published in Research & Reviews : Journal of Botany · Vol. 9, Issue 3, 2020 · pp. 8–12 Read article
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A Comparative Study on the Nutritional Quality Analysis between BARI Released Potatoes and Wild Varieties of Potatoes Found in Bangladesh
Abstract: Edible flesh from the Bangladesh Agricultural Research Institute (BARI) released potatoes and wild varieties of potatoes was analyzed to compare the nutritional contents which help identify the good quality of potato sample contributing to food and nutritional security. Estimation of moisture, ash, fat, protein, crude fiber and ascorbic acid was conducted using standard Association of Analytical Chemists (AOAC) procedures. The study revealed that the moisture content in BARI released potato …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 6, Issue 3, 2017 · pp. 8–17 Read article
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Paeonia emodi: An Ethnopharmacological and Phytochemical Review
Abstract: This review is an attempt to evaluate the phytochemical potential of the Paeonia emodi and covers the pharmacological and ethnopharmacological activities of its chemical constituents, newly isolated chemical compounds and their medicinal importance. P. emodi is used in several traditional medicinal systems in China, Korea, Pakistan, India and Thailand. Different isolated natural products like anthraquinones, terpenoids, tannins, carbohydrates, phenolics and tannins, glycosides, paeoniflorin, lactiflorin, oxypaeoniflorin, cycloartenol, cholesterol, sitosterol, campesterol, emodinol, …
Published in Research & Reviews : Journal of Herbal Science · Vol. 6, Issue 2, 2017 · pp. 11–20 Read article
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Bioprospecting Unripe Pericarp of Annona Reticulata for the Presence of Bioactive Compounds
Abstract: The present work was carried out with the objective of isolating and identifying biologically significant chemical compounds from the ethanol extract of unripe pericarp of Annona reticulata through bioassay-guided fractionation. Ethanol extract of unripe pericarp was prepared and fractionation was done using silica gel chromatography. Thin-layer chromatography profiling was done and a single compound was obtained. The compound was subjected to various spectroscopic techniques for the elucidation of its structure. …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 8, Issue 3, 2018 · pp. 44–49 Read article
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Nitric-oxide Scavenging Antioxidant Activity of the Different Extracts of Plumeria obtusa (Family:Apocynaceae)
Abstract: Plumeria obtusa (Family-Apocynaceae) has a long ethnomedicinal tradition of being used as a remedial agent in various diseases such as diarrhoea, piles, fever, gonorrhoea, antibacterial and antitumour agents etc. Antioxidant potential of the crude petroleum ether, chloroform and methanol extracts of the leaf and bark were evaluated by using nitric oxide scavenging assay. The extracts showed significant activities compared to ascorbic acid in a dose dependent mode. Moreover, the percentage …
Published in Research & Reviews : Journal of Herbal Science · Vol. 4, Issue 1, 2015 · pp. 58–62 Read article
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Comprehensive In silico Analysis of Single Nucleotide Polymorphisms (SNPs) in Human BDNF Gene
Abstract: Since a number of single nucleotide polymorphisms (SNPs) are associated with the BDNF gene mutations involved in different diseases. Hence, it is important to find out the probable functional SNPs before planning a larger population study. So, to look out for the functional nsSNPs (non-synonymous single nucleotide polymorphisms) in BDNF gene, existing data present in the dbSNP database and different bioinformatics tools like SIFT, PolyPhen, nsSNPAnalyzer, F-SNP, I-mutant, Pymol were …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 8, Issue 3, 2018 · pp. 128–139 Read article
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Physicochemical Characteristics of Different Brands of Edible Oil Available in Bangladesh
Abstract: Physicochemical properties like moisture content, density, smoke point, acid value (AV), peroxide value (PV), saponification value, iodine value were analyzed using standard methods and vitamin E by spectrophotometry to evaluate the quality of edible oils and also to select good quality oils among various brands of edible oils available in the local market of Bangladesh. In the study twelve brands of different oils were purchased from local market of Dhaka …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 7, Issue 3, 2018 · pp. 12–16 Read article
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Shelf Life of Functional Soup Mix Based on Barley (Hordeum vulgare L.) and Flaxseed (Linum usitatissimum L.)
Abstract: Functional food provides physiological benefits beyond the basic function of supplying nutrients. Considering increasing acceptability of soup, its convenient cooking and healthy ingredients in barley and flaxseed, barley flaxseed based functional dry soup mix (BFSM) was prepared from 46.296% whole barely flour, 23.148% roasted flaxseed powder and 30.555% seasoning (flavourings and anticaking agent). BFSM was sensorially acceptable, nutritious, low glycemic, and exhibited antioxidant capacity. Here, storability of vacuum packed BFSM …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 11, Issue 2, 2022 · pp. 10–23 Read article
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Attempt on Hydrolysis of Larval Stages of the Black-Soldier-Fly (BSF) (Hermetia illucens) for the Analysis of Utilitarian Properties
Abstract: The enzyme involved hydrolysis is dealing with disintegration of the complex compounds through utilization of enzymes (or the source of enzymes) followed by the reaction with water. The present attempt is dealing with analysis of influence of chemical protein- extraction reaction, and hydrolysis through the use of enzymes (Alcalase, Papain and Pepsin) on the functional-properties, activity of antioxidation and composition of amino-acids of the protein contents of black soldier fly …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 12, Issue 1, 2024 · pp. 1–14 Read article
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Validation and Forced Degradation Studies for the Determination of Erlotinib in Bulk and Pharmaceutical Dosage Forms by RP-HPLC
Abstract: A new reverse phase-high performance liquid chromatography (RP-HPLC) have been developed and validated for the determination of Erlotinib in bulk drug and pharmaceutical dosage form. The developed method is rapid, accurate, precise, simple and economical. The separation was carried out using column Hypersil ODS C-18 (150 mm x 4.6 mm 5 μm particle size) in isocratic mode, using mobile phase composition of 0.1% orthophosphoric acid: Acetonitrile in the ratio of …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 3, Issue 2, 2016 · pp. 44–53 Read article
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Phytochemical Screening and Structural Elucidation of Extracts from Garcinia kola (Heckel) Seeds
Abstract: This study evaluated the bioactive components of G. kola seeds extract to further establish its medicinal potentials. Extracts were obtained using different solvents thus; ethanol, methanol, ethyl acetate, acetone, cold and hot water. Phytochemical (quantitative) screening showed that saponins, flavonoids, terpenoids, tanins, glycoside and alkaloids are present in the G. kola extracts: however, the quantities vary with regards to the extraction solvent used. The highest quantity of phenols (35.63±0.06 mg/g) …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 7, Issue 2, 2020 · pp. 23–27 Read article
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Production and Partial Purification of Tannase from Bacillus sp.
Abstract: Micro-organisms tannase is industrial-important enzymatic enzymes can, through oxidation with secondary metabolites including such tannins, catalyze that production of Gallic acid or glucose. Tannase are commonly used in the production, drink, food processing and brewing and chemical industries. Tannic acid with low-value agro-industrial waste was also commonly used in manufacturing besides tannase production. Tannase also have huge 124–310 KDa variety with molecular weights as well as a great deal with …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 8, Issue 2, 2023 · pp. 42–51 Read article
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Evaluation Studies on Branded Edible Oils
Abstract: Epidemic dropsy is a clinical state which is caused due to argemone oil which is extracted from the prickly poppy seeds of Argemone Mexicana which are distributed and found everywhere. Argemone oil is used as an adulterated or substituent with sunflower oil and mainly also with mustard oil which is used for consumption leads to some the health disorders such as gall bladder cancer, necrosis, oedema, glaucoma, and cardiovascular disorder. …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 9, Issue 1, 2022 · pp. 27–33 Read article
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A Review on Pharmacological Activities and Phytochemical Studies of Quisqualis Indica Linn
Abstract: This article contain brief review of pharmacological study and phytochemical study of plant Quisqualis Indica Linn, the point which have to be considered that this plant can be available easily as it is an evergreen plant and most of the people were used to decorate their houses, as this is an ornamental plant too which doesn’t depend on seasons to grow. Quisqualis indica Linn contains phytoconstituents such as trigonelline (alkaloid), …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 11, Issue 2, 2023 · pp. 32–36 Read article
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Virtual Screening of Novel 2-substituted -5-hydroxy-1- (2-methyl-3-morpholinopropyl)-1H-indole-3- carboxamide Derivatives for Estrogen Receptor alpha in AF-2 domain for effective Anticancer Treatment
Abstract: Present manuscript describes designing of novel 2-substituted -5-hydroxy-1-(2-methyl-3- morpholinopropyl)-1H-indole-3-carboxamide derivatives as specific ERα modulators, discuss the selection criteria for 1ERR, several interactions between the ligand and the amino acid residues that would probably elicit fruitful modulation of the receptor. Accordingly, a ligand was observed to yield Gscore of -10.016 which was found comparable with the standard ligand Raloxifene (-11.869). The present work has been designed to discover some novel 2-substituted …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 12, Issue 2, 2025 · pp. 31–55 Read article