Results 11 to 20 of about 2,992 (181)

Characterization of continuous Hibiscus sabdariffa fibre reinforced epoxy composites

Polymers and Polymer Composites, 2022
The influence of fibre orientation on physical, mechanical and dynamic mechanical properties of Hibiscus sabdariffa fibre composites has been studied.
Atik Mubarak Kazi, Ramasastry DVA
doaj   +1 more source

Eco-Friendly Synthesis of Ag-ZnO Nanocomposite Using Aloe-vera, Hibiscus Sabdariffa Plants and Their Antibacterial and Anti-fungi Activities

Iraqi Journal of Physics, 2023
The current study used extracts from the aloe vera (AV) plant and the hibiscus sabdariffa flower to make Ag-ZnO nanoparticles (NPs) and Ag-ZnO nanocomposites (NCs). Ag/ZnO NCs were compared to Ag NPs and ZnO NPs. They exhibited unique properties against
Noorullah Mohammed Nemma, Zainab Sabeeh Sadeq   +1 more
doaj   +1 more source

Effects of Hibiscus sabdariffa L. extract on multispecies Porphyromonas gingivalis and Treponema denticola biofilms in vitro

Scientific Dental Journal, 2023
Background: Porphyromonas gingivalis and Treponema denticola are bacteria that play a crucial role in periodontitis. Hibiscus sabdariffa L. contains flavonoids, alkaloids, saponins, and tannins; compounds which are expected to inhibit biofilm formation ...
Angela Winson, Trijani Suwandi, Olivia Nauli Komala   +2 more
doaj   +1 more source

Growth Inhibition and Apoptosis of Ehrlich Ascites Carcinoma Cells by Methanol Extract from the Calyx of Hibiscus Sabdariffa Linn

Central Asian Journal of Medical Sciences, 2018
Objectives: This study focused on the antioxidant and anticancer activities of methanolic extract of Hibiscus sabdariffa calyx. Methods: In vitro methods were used to determine the different types of phytochemical content and antioxidant activity of ...
Tanzima Yeasmin, Hanif Ali, Rumana Yesmin, Majidul Islam, Akter Hoshen, Rowshanul Habib, Mohammed Abdus Satter, Kazi Muhammad Faisal Haque   +7 more
doaj   +1 more source

Ekstraksi dan Uji Stabilitas Zat Warna Alami dari Bunga Kembang Sepatu (Hibiscus rosa-sinensis L) dan Bunga Rosela (Hibiscus sabdariffa L)

Jurnal Kimia Valensi, 2012
Ekstraksi dan Uji Stabilitas Zat Warna Alami dari Bunga Kembang Sepatu (Hibiscus rosa-sinensis L) dan Bunga Rosela (Hibiscus sabdariffa L) telah dilakukan.
Yusraini Dian Inayati Siregar, Nurlela Nurlela   +1 more
doaj   +1 more source

PERSEN DEGRADASI EKSTRAK ETANOL KELOPAK BUNGA ROSELLA (Hibiscus sabdariffa L.) SELAMA PENYIMPANAN THE PERCENTAGE OF ETHANOL EXTRACTS OF ROSELLE PETALS (Hibiscus sabdariffa L.) DURING STORAGE

Kovalen: Jurnal Riset Kimia, 2019
Ethanol extract of roselle petals (Hibiscus sabdariffa L.) is more stable in low pH than in high pH. The research aims to monitor and determine the effect of ratio content in ethanol extract of roselle petals (Hibiscus sabdariffa L.) in tomato sauce and ...
firmasari firmasari, Ni Ketut Sumarni, Ruslan, Hardi Ys   +3 more
doaj   +1 more source

Chemical Modification of Cellulose Isolated from Underutilized Hibiscus sabdariffa via Surface Grafting: A Potential Bio-based Resource for Industrial Application [PDF]

Kemija u Industriji, 2017
Grafting of ethylenediamine onto Hibiscus sabdariffa cellulose was achieved via the simple reaction mechanism. The modified Hibiscus sabdariffa cellulose (HSM) and unmodified Hibiscus sabdariffa cellulose (HSC) were characterized using Fourier ...
Adewale Adewuyi, Fabiano Vargas Pe
doaj   +1 more source

Hibiscus Acid from Hibiscus sabdariffa L. Inhibits Flagellar Motility and Cell Invasion in Salmonella enterica

Molecules, 2022
Extracts of Hibiscus sabdariffa L. (commonly called Rosselle or “Jamaica flower” in Mexico) have been shown to have antibiotic and antivirulence properties in several bacteria. Here, an organic extract of H. sabdariffa L.
Ixchell Y. Sedillo-Torres, Álvaro O. Hernández-Rangel, Yolanda Gómez-y-Gómez, Daniel Cortés-Avalos, Blanca Estela García-Pérez, Juan C. Villalobos-Rocha, César H. Hernández-Rodríguez, Luis Gerardo Zepeda-Vallejo, Paulina Estrada-de los Santos, María Elena Vargas-Díaz, Jose Antonio Ibarra   +10 more
doaj   +1 more source

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

International 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, M.G. Valladares-Cisneros, J.G. Gonzalez-Rodriguez   +2 more
doaj   +1 more source

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

Jurnal 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, Isriani Ismail, Andi Dian Aulia Sandi   +2 more
doaj   +1 more source