Results 21 to 30 of about 3,017 (179)

Using Hibiscus Sabdariffa as Corrosin Inhibitor for Al in 0.5 M H2SO4

open access: yesInternational Journal of Electrochemical Science, 2015
The use of Hibiscus sabdariffa as a green corrosion inhibitor for pure Al in 0.5 M H2SO4 has been evaluated by using gravimetric tests and electrochemical techniques.
L.B. Molina-Ocampo   +2 more
doaj   +1 more source

PENGARUH EMULGATOR TERHADAP AKTIVITAS ANTIOKSIDAN KRIM EKSTRAK ETANOL KELOPAK BUNGA ROSELLA (Hibiscus sabdariffa Linn)

open access: yesJurnal Kesehatan, 2014
Proses formulasi sediaan dapat berpengaruh terhadap aktivitas obat, khususnya sediaan yang mengandung antioksidan. Penelitian ini bertujuan untuk mengetahui pengaruh emulgator terhadap aktivitas antioksidan krim ekstrak etanol kelopak bunga rosella ...
Nursalam Hamzah   +2 more
doaj   +1 more source

Food and medicinal properties of hibiscus (Hibiscus sabdariffa& Hibiscus rosa-sinensis).

open access: yesSustainability, Agri, Food and Environmental Research-DISCONTINUED, 2023
This study is based on the cultivation and scope of Hibiscus species, namely,Hibiscus rosa-Sinensis and Hibiscus sabdariffa.The objective wasto find out the history of the production of Hibiscus, usage in different centuries, the most suitable regions for cultivation in India, various nutritive content, different health-related properties and benefits ...
Dey Suprabha   +5 more
openaire   +1 more source

Cardinal Temperatures for Germination of Roselle (Hibiscus sabdariffa) [PDF]

open access: yesIranian Journal of Seed Research, 2017
Roselle is an important medicinal and industrial plant of the family of Malvaceae, and is planted in vast areas of Sistan and Baluchestan. In a laboratory study, the effect of varying temperatures on seed germination of Hibiscus sabdariffa was investigated and minimum, optimum and maximum temperatures for its germination were determined in a completely
Mahdi Javadzadeh   +3 more
openaire   +3 more sources

Effect Extract Rosella (Hibiscussabdariffa) As An Alternative To Natural Tooth Bleaching Agent On External Discoloration Case

open access: yesInsisiva Dental Journal, 2012
Tooth bleaching is one effort that has long been known in the science of dentistry. Unfortunately material used to whiten tooth until now they are still nature are toxic to tissues of the mouth cavity.
Nanik Sugianti
doaj   +1 more source

Biological effect of acetone extract of Quercus infectoria and Hibiscus sabdariffa in some germs compared to a number of antibiotics [PDF]

open access: yesمجلة التربية والعلم, 2009
The antibacterial activates of Quercus infectoria and Hibiscus sabdariffa extract were screened against Yersinia enterocolitica, Brucella melitensis, Listeria monocytogenes . Nutgalls of Quercus infectoria and calyces of Hibiscus sabdriffa were extracted
Sura Khader, Amera Ahmed, Ibrahem Dawod
doaj   +1 more source

Plant Growth Inhibitory Activity of Hibiscus sabdariffa Calyx and the Phytotoxicity of Hydroxycitric Acid Lactone

open access: yesAgronomy, 2023
Weeds pose major constraints in crop production. The use of allelochemicals and allelopathic species can provide an effective alternative for sustainable weed management. In a previous study that evaluated the allelopathic activity of wild and cultivated
Tugba Gonca Isin Ozkan   +3 more
doaj   +1 more source

Hibiscus sabdariffa L. – A phytochemical and pharmacological review

open access: yesFood Chemistry, 2014
Hibiscus sabdariffa L. (Hs, roselle; Malvaceae) has been used traditionally as a food, in herbal drinks, in hot and cold beverages, as a flavouring agent in the food industry and as a herbal medicine. In vitro and in vivo studies as well as some clinical trials provide some evidence mostly for phytochemically poorly characterised Hs extracts.
Da-Costa-Rocha, Inês   +4 more
openaire   +3 more sources

استخدام مستخلص الكركديه كمصدر غنى بمضادات الاكسدة واللون الطبيعى فى حلوى الاطفال [PDF]

open access: yesMinia Journal of Agricultural Research and Development
This study incorporated different concentrations of extract (2.0%, 4.0%, 6.0%,and 8.0%) from Hibiscus sabdariffa to prepare lollipop candy for children as naturalcolor and antioxidant additives.
doaj   +1 more source

AVALIAÇÃO FITOQUÍMICA E DETERMINAÇÃO DE MINERAIS EM AMOSTRAS de Hibiscus sabdariffa L (vinagreira)

open access: yesCadernos de Pesquisa, 2013
O presente trabalho teve como objetivo determinar por espectroscopia de emissão óptica com plasma indutivamente acoplado (ICP OES) o teor dos minerais cobalto, cobre, ferro, fósforo, cálcio, magnésio,manganês, níquel, potássio e zinco, presentes nas ...
Nélio Martins Freitas   +2 more
doaj   +1 more source

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