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128 results for “chemical composition”

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Research ArticleOpen accessPhrase in the titleQualitative Analysis of the Chemical Composition of Cinnamomum tamala leaves and Biological ActivityQianwen Gong, Pin Chen, Linyang Wang, Shuge TianCinnamomum tamala (Buch.-Ham.) Nees and Ebermaier. (Lauraceae) is a less explored medicinal plant in Uyghur medicine, with limited knowledge about its non-volatile compounds. We utilized chemical pre-screening in conjunction with UPLC-Q-Orbitrap-MS to analyze the phytochemical makeup of C. tamala leaves. Total polyphenols were measured using the Folin-Ciocalteu method, while total flavonoids were quantified through NaNO2-Al (NO3)3 colorimetric analysis across four … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 3 · 21 Sep 2026 · 659 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffect of Ultra-High-Pressure Treatment on the Chemical Composition and Aroma of Flue-Cured Tobacco Leaves for Heated Tobacco ProductsXinbo Lu, Jie Yin, Ying Yuan et al.The influences of different Ultra-High-Pressure (UHP) treatments on the chemical composition and the low-temperature pyrolysis products of Flue Cured Tobacco Leaves (FCTL) that applied in heated tobacco products were investigated in this study. Results indicated that UHP treatment reduced total alkaloids content significantly (p<0.05), especially 500-600 MPa treatment group (2.34±0.00%, 2.34±0.01%). Increase in sugars and potassium content were observed after … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 2 · 19 Oct 2025 · 2,150 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEvaluation of the Effects of the Addition of Salt, Type of Additive and the Shelf Life, on Chemical Composition of Pennisetum purpureum (Schumach) (Maralfalfa) Silages in NigerMaman Lawal Abdoul Aziz, Seydou Korombé Hamza, Djibo Ibrahim et al.Seasonal variations in the quantity and quality of fodder constitute an obstacle to the development of ruminant breeding in Niger. This is why this study was carried out to evaluate the effects of salt addition, shelf life, and type of additive on the chemical composition of Pennisetum purpureum Schumach (Maralfalfa) silages. These aspects were retained because salt, in addition to … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 12 Sep 2024 · 4,720 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEssential Oil Chemical Composition of Myrtle Growing in Northeastern Algeria and Estimation of its Antibacterial EffectivenessBarhouchi Badra, Aouadi Saoudi, Abdi AkilaThe aim of this study is to determine the antibacterial effectiveness of leaves essential oil extracted from myrtle growing in Algeria. A cluster analysis of soil and water was effectuated for performing chemical and granulometric analyses. The essential oil was isolated from leaves by hydro distillation and analyzed by Gas Chromatography-Mass Spectrometry (GC/MS). The leaves yield reached a peak at … …American Journal of Biochemistry and Biotechnology, Vol. 12, Issue 2 · 5 Apr 2016 · 8,356 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleChemical Composition, Texture and Sensory Evaluation of Yogurts Supplemented with Amaranth FlourAlma Aytkozhayevna Shunekeyeva, Mariam Alimardanova, Majorov Alexandr AlbertovichThis study aimed to assess the effect of adding non-roasted and roasted amaranth flour to yogurt at a dose of 5 g per 100 mL on the approximate composition, storage stability, texture and sensory evaluation of yogurt. Yogurt without supplementation was used as control. The products were evaluated for moisture, carbohydrate, protein, fat, ash and mineral content. In order to … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 2 · 3 May 2021 · 7,091 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleChemical Composition and Antibacterial Activity of Subcritical CO2 Extract of Beta vulgaris L.Aidana Yerubay, Saule Akhmetova et al.The perpetual quest for novel antimicrobial agents is an ongoing endeavor within the scientific community. Contemporary investigations concerning members of the family Amaranthaceae, Beta vulgaris, have disclosed significant therapeutic properties in plants that were formerly exclusively employed as dietary resources. The roots and stems of red beets (Beta vulgaris L. var. conditiva) have been found to possess medicinal properties attributed … …OnLine Journal of Biological Sciences, Vol. 24, Issue 2 · 4 Jan 2024 · 4,970 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleStudy of Chemical Composition of Extract from Beta Vulgaris Seeds and its Cytotoxic ActivityAiman Konkabayeva, Margarita Ishmuratova, Gulmira Tykezhanova et al.Nowadays, a variety of plants is being investigated with the aim of developing new medicines with improved properties and expanding the range of efficient and safe preparations. Modern studies of representatives of the family Amaranthaceae (Beta vulgaris) have revealed medicinal properties in plants that were used previously only as food. Many medicinal properties are due to the presence of betalains … …OnLine Journal of Biological Sciences, Vol. 21, Issue 2 · 27 May 2021 · 6,220 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleCHEMICAL COMPOSITION, ANTIMICROBIAL, ANTIOXIDANT AND CYTOTOXIC ACTIVITIES OF EUCALYPTUS CHAPMANIANA GROWN IN IRAQGhassan Mohammad Sulaiman, Thorria Radam Marzoog, Wasnaa Hatif Mohammed, Renzo BagnatiThe chemical composition of the essential oils extracted from immature flowers, leaves and seeds of Eucalyptus chapmaniana grown in Iraq were analyzed for the first time by gas chromatography/mass spectrometry. Twenty-four different compounds were identified and the predominant compound is eucalyptol, which accounted for 59.9, 55.6 and 8.6% of total compounds, respectively. To asses the possible therapeutic uses of the … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 1 · 27 Dec 2013 · 7,698 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleChemical Compositions and Resistant Starch Content in Starchy FoodsAnuchita MoongngarmResistant Starch (RS) is one of nature’s most interesting bioactive compounds. There is a wide variety of starchy food plants in Thailand that are good sources of RS, but they have not been well studied. As such, this study was carried out to investigate the potential food source of RS. Twenty-two promising food plants were selected. The samples included (1) … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 2 · 28 Mar 2013 · 15,775 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleChemical Composition of Propolis from Different Regions in Java and their Cytotoxic ActivitySyamsudin, Sudjaswadi Wiryowidagdo, Partomuan Simanjuntak, Wan Lelly HeffenProblem statement: Propolis samples from tropical zones, such as Java (Indonesia) with its vast biodiversity, have become a subject of increasing scientific and economic attention. The association of the chemical composition of propolis from different geographic regions with cytotoxic activities lead to the identification of active principles, a fundamental tool to achieve standardization of this bee product. Approach: The purpose … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 4 · 31 Dec 2009 · 8,269 accessesView PDFCite