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60 results for “Liquid chromatography”
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Research ArticleOpen accessIn the abstractEssential Oils from The Dropped Flowers of Camellia japonica: Extraction Optimization, Chemical Profile and Antibacterial PropertyYunqi Kong, Gaochao Wang, Xinyu Wang et al.Camellia japonica is one of the most economically valuable species that can be taxonomically placed in the Theaceae family. Many horticultural varieties of C. japonica have been cultivated as ornamental trees worldwide, owing to their charming flowers. However, young C. japonica flowers usually drop in a “decapitated” form during the peak flowering stage, causing a resource waste. In this study, … …American Journal of Biochemistry and Biotechnology, Vol. 17, Issue 1 · 27 Jan 2021 · 6,991 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Ultra-High Pressure Technology on Isomerization and Antioxidant Activity of Lycopene in Solanum LycopersicumSiqun Jing, Zainixi Lasheng, Saisai Wang, Hui ShiTo evaluate the influence of the Ultra-High Pressure processing (UHP) on the isomerization and antioxidant activity of lycopene in tomatoes (Solanum lycopersicum), High Performance Liquid Chromatography (HPLC) and Ultraviolet-Visible Spectroscopy (UV-Vis) were used to separate and identify the isomer of lycopene. The scavenging activities against DPPH∙and∙OH present samples with and without UHP treatment were tested with ascorbic acid as positive … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 2 · 21 Jun 2020 · 7,229 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of Oak Chip Treatments on Quality of Dry White Wines During AgingRongbin Li, Xiaofang Liang, Chunhua Song et al.The objective of the research was to evaluate the effect of different oak chip treatments on quality of Longyan dry white wine during aging. Phenolic substances, antioxidant activity and Cu2+ reduction force were measured. The results showed that wines treated with French oak chips (6 g/L) had significantly higher contents of total phenols (0.083 mg/mL) and flavonoids (0.063 mg/mL), also … …American Journal of Biochemistry and Biotechnology, Vol. 16, Issue 1 · 26 Feb 2020 · 7,243 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntioxidant Activity, Anti-Inflammatory and Analgesic Effects of Caralluma europaea (Eddaghmouss) in MiceAaziz Kebbou, Mehdi Ait Laaradia, Sara Oufquir et al.The aim of the current study is to evaluate the anti-inflammatory, antioxidant and analgesic properties of ethanolic (100 and 200 mg/kg, p.o.) and ethyl acetate extracts (100 and 200 mg/kg, p.o.) of Caralluma europaea. Formalin-induced paw licking test, Acetic Acid induced Writhing Test and Hot-PlateTest were used to assess the analgesic activity. Xylene-induced ear edema test was used to evaluate … …OnLine Journal of Biological Sciences, Vol. 19, Issue 4 · 24 Dec 2019 · 7,604 accessesView PDFCite
Research ArticleOpen accessIn the abstractOccurrence and Seasonal Variation of Antibiotics in Fez-Morocco Surface WaterOualid Chaib, Btissam Arhoune, Sanae Achour et al.The presence and accumulation of antibiotics in the water environment has become emerging contaminants of concern causing disruption of ecosystems worldwide. We describehere the seasonal variation and the occurrence of antibiotic residues in Fez city surface water (Morocco). During one year between February 2014 and January 2015, 8 surface water samples were collected monthly. Quantification of the 7 antibiotics was … …American Journal of Environmental Sciences, Vol. 15, Issue 4 · 27 Aug 2019 · 9,186 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetermination of 1-Deoxynojirimycin Content and Phytochemical Profiles from Young and Mature Mulberry Leaves of Morus Spp.Yasinta Ratna Esti Wulandari, Vivitri Dewi Prasasty, Adrianus Rio, Cindy GeniolaMulberry leaves have been known to be rich in 1-Deoxynojirimycin (DNJ) which inhibits postprandial hyperglycemia by inhibiting α-glucosidase in the small intestine and thereby reducing the breakdown of starch and other complex sugar into glucose. Mulberry leaf extract also contains many other bioactive compounds and phytochemicals. They are very effective in supporting blood sugar levels and balancing cholesterol and triglycerides. … …OnLine Journal of Biological Sciences, Vol. 19, Issue 2 · 3 Jun 2019 · 11,081 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Usage of Biologically Active Raw Materials in Confectionery Products TechnologyAlfiya Chernenkova, Svetlana Leonova, Tamara Nikiforova et al.Increased man-caused impact, imbalance in diets lead to diseases, premature aging and life shortening. To overcome this imbalance, there is an active search for raw materials containing the physiologically functional ingredients necessary for human health or the raw materials containing biologically active substances, vitamins, mineral substances. To enrich traditional recipes with these components and to give functional purpose to products … …OnLine Journal of Biological Sciences, Vol. 19, Issue 1 · 7 Mar 2019 · 8,756 accessesView PDFCite
Research ArticleOpen accessIn the abstractLarvicidal Activity of Bruceine A against Aedes aegypti and Toxicity on Vero CellsDwi Sutiningsih, Mustofa, Tri Baskoro Tunggul Satoto, Edhi MartonoVector control is still based on the use of chemical insecticides, which can cause death of nontarget animals, pollution and the emergence of vector resistance. This study aims to assess the larvicidal activity of bruceine A against larvae of Aedes aegypti and its cytotoxic activity against Vero cells. Extraction and isolation of bruceine A from the seeds of Brucea javanica … …OnLine Journal of Biological Sciences, Vol. 18, Issue 3 · 4 Sep 2018 · 7,915 accessesView PDFCite
Research ArticleOpen accessIn the abstractNovel LC-MS/MS Method for CJ-023423 (Grapiprant) Determination in Rabbit PlasmaElena Baralla, Virginia De Vito, Maria Vittoria Varoni et al.Grapiprant is a new anti-inflammatory drug that preferentially targets the EP4 receptor of prostaglandin E2 limiting the wide range of adverse effects caused by the classical non steroideal anti-inflammatory drugs. The aim of this study was to develop and validate a new, simple, sensitive and rapid Liquid Chromatography tandem Mass Spectrometry method (LC-MS/MS) in order to quantify this novel drug … …American Journal of Animal and Veterinary Sciences, Vol. 13, Issue 2 · 24 May 2018 · 7,995 accessesView PDFCite
InvestigationOpen accessIn the abstractMorphogenetic and Biochemical Study on University Common Bean CollectionBeibitgul Zhumabaeva, Erika Dzhangalina, Zaure Aytasheva et al.This research has been conducted to reveal the outcomes of rotation of crops in mountain and steppe districts near Almaty. The main morphogenetic characteristics have been investigated for the collection of representatives of common bean, Phaseolus vulgaris L. by using samples from various countries such as Kazakhstan, USA, China, Czech Republic, Poland, Turkey and Russia under different climate and soil … …OnLine Journal of Biological Sciences, Vol. 17, Issue 4 · 28 Nov 2017 · 7,051 accessesView PDFCite