نتایج جستجو برای: respectively for roselle
تعداد نتایج: 10467713 فیلتر نتایج به سال:
Received Aug 29, 2017 Revised Nov 18, 2017 Accepted Dec 4, 2017 Hibiscus Sabdariffa L. well known as Roselle flower was used as sensitizers for Dye-Sensitized Solar Cell (DSSC). The dyes were extracted using distilled water (DI) and ethanol (E) extract solvent in an ultrasonic cleaner for 30 minutes with a frequency of 37 Hz by using ‘degas’ mode at the temperature of 30°. Doctor blade method w...
Background & Aim:Extracts of Roselle calyx, possess compounds which could be considered as a great source of natural antioxidants. In this project, antioxidant activities, phenolic compounds content and their correlation analysis on calices of Roselle (Hibiscus sabdariffa) was investigated. Experimental: Total polyphenolic compound, flavonoids and anthoc...
K. W. Appel, S. J. Roselle, R. C. Gilliam, and J. E. Pleim Atmospheric Modeling and Analysis Division, National Exposure Research Laboratory, Office of Research and Development, US Environmental Protection Agency, RTP, NC 27711, USA Received: 7 July 2009 – Accepted: 22 July 2009 – Published: 30 July 2009 Correspondence to: K. W. Appel ([email protected]) Published by Copernicus Publications on...
nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...
The aim of this study was to evaluate the phenolic and flavonoids contents and the antioxidant and antitumoral activity of leaf and calyx methanolic extracts from Hibiscus sabdariffa (roselle) cultivated with poultry litter and organosuper® under three modes of application. The total phenolic content in the each extract was determined using the Folin-Ciocalteu reagent and for aluminium chloride...
The ethyl acetate fraction of the ethanol extract roselle flower petals (Hibiscus sabdariffa L.) was reported to have an SPF value 13.83 ± 1.50 which higher than extract. So with value, can be used as a sunscreen. One cosmetic preparations that is currently growing rapidly serum. purpose this study formulate into serum had good physical quality variations in concentration xanthan gum and then d...
in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...
to study the effect of humic acid and drought stress on some physiological characteristics of roselle (hibiscus sabdariffa) an experiment was conducted in the research field of agricultural education centre of jiroft in 2013. field experiment was carried out as split plot design with three replications. water deficit stress as main factor with three levels (a1 = irrigation after 50, a2 = 100 an...
Supercritical carbon dioxide (SC-CO2) is a clean and green technology for extracting polyphenols antioxidants from roselle (Hibiscus Sabdariffa) as nutraceutical ingredients high-value co-products development. To increase the SC-CO2 fluid affinity towards polar compounds, general regard safe (GRAS) solvent, ethanol-water was added in small amount modifier. Dry calyces were extracted using modif...
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