Results 21 to 30 of about 4,948 (172)

The Extraction of Gambier by Using Ultrasonic Assisted at Various Temperature

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract Gambier is an extract from the leaves Uncaria gambier Roxb plant that contain polyphenolic compounds. One of polyphenol compounds in gambier is catechin, that can act as antioxidant and antimicrobial. This study aimed to determine the effect of heat on the catechin extraction from gambier by using ultrasonic assisted.
T Anggraini, null Rini, L Aini
openaire   +1 more source

Physical Characteristics and UV Protection (In Vitro) of Gambier Leaf Extract Lotion

open access: yesIOP Conference Series: Earth and Environmental Science, 2022
Abstract Nowadays, sun care products become one of the most developed market amounts of 13.5 billion USD in 2020 and projected to become 20.1 billion USD in 2027, growing by 5.8% per year. The need for sun care products derived from natural ingredients is also increasing as people worry about the side effect of synthetic material ...
C Winarti, null Innawati, null Hemani
openaire   +1 more source

PENGARUH KONSENTRASI INHIBITOR EKSTRAK DAUN GAMBIR DENGAN PELARUT ETANOL-AIR TERHADAP LAJU KOROSI BESI PADA AIR LAUT

open access: yesJurnal Riset Kimia, 2012
The important properties to overcome the corrosion are safe, available, biodegradable, low cost, and environmental friendly. Gambier leaves extract is one of the inhibitor that have environmental friendly properties.
Rozanna Sri Irianty   +1 more
doaj   +1 more source

Catechin Extracted from Uncaria gambier Roxb for Nanocatechin Production: Physical and Chemical Properties

open access: yesInternational Journal of Design & Nature and Ecodynamics, 2021
This research reports nanoparticles or nanocatechin produced from catechin extracted from gambier and the differences between the properties of the extracted catechin and nanocatechin. The study began with the preparation of >95% pure catechin through successive extraction.
Yefsi Malrianti   +5 more
openaire   +2 more sources

Calculate The Conductivity of Some Composites of Cellulose Bacteria Mixed with Polypyrol

open access: yesJurnal Nasional Teknik Elektro, 2021
The manufacture of composites that have good electrical properties is to use a conductive polymer matrix. A conductive polymer is a polymer compound that has a stable bond that allows the polymer to act as a good conductor of electricity.
Syukri Yunus, Hairul Abrar, Auliya Akbar
doaj   +1 more source

Optimization of Cathechin Extraction for Development of Liquid Hand Soap Made From Gambier

open access: yesAndalasian International Journal of Agriculture and Natural Sciences (AIJANS), 2023
This study has aimed to determine the potential use of catechins derived from gambier as an anti-microbial raw material in the manufacture of hand washing liquid soap. The study started from the purification process of catechins from gambier and continued with the addition of gambier to the soap formula looking for hand washing.
Daimon Syukri   +2 more
openaire   +3 more sources

Utilization of Gambier (Uncaria Gambier, Roxb.) Combined with Albumin in Formation of Natural Rigid Foam [PDF]

open access: yesJournal of Global Innovations in Agricultural Sciences
The treatment in this study was a variation in the amount of Gambier extract added, namely 16 g, 20 g and 24 g in 89.5 g of a mixture that also contained 23 g of albumin powder, 60 g of water, 5 g of hexamine and 1.5 g of para-Toluene Sulfonic Acid.
Efrina Efrina, Anwar Kasim
doaj   +1 more source

Functional Characteristics Improvement of Edible Film through Addition of Gambier and Bay Leaf Extract

open access: yesCurrent Nutrition & Food Science, 2021
Background: In this study, the composition of the functional edible film focused on local materials was examined. However, the production of the edible film with strong capability as an antioxidant and antimicrobe has not been successful. Therefore, the incorporation of one or more functional compounds such as gambier and bay leaf extract into canna ...
Budi Santoso   +5 more
openaire   +1 more source

Pengaruh Perbedaan Persentase Penambahan Gliserin dan Konsentrasi Larutan Ekstrak Gambir Terhadap Beberapa Sifat Fisika dan Kadar Tanin Tinta Stempel

open access: yesJLI: Jurnal Litbang Industri, 2015
Gambier extract derived from leaves of Uncaria Gambier Roxb contain catechin and tannin which belonged to polyphenolic compounds. Gambier extract when added with ferosulfat salt will form a complex compound that can give a green color to black and can be
Silfia Silfia   +2 more
doaj   +1 more source

Determination of the best method for processing gambier liquid by-product [Uncaria gambir (hunter) roxb] as natural antioxidant sources

open access: yesJournal of the Indonesian Tropical Animal Agriculture, 2021
The study was conducted to determine the best gambier liquid by-product (GLB) processing methods based on antioxidant activity as natural antioxidant sources.
A. S. Ismail   +3 more
doaj   +1 more source

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