Results 11 to 20 of about 29,665 (199)

An efficient synthesis of the inimer gamma-(2-bromo-2-methylpropionate)-epsilon-caprolactone (BMPCL)

open access: yesGreen Chemistry Letters and Reviews, 2022
The original synthesis of gamma-(2-bromo-2-methylpropionate)-epsilon-caprolactone (BMPCL), in use since 1999, has an overall yield of 17% and uses a Cr(VI) reagent for a key oxidation. Despite these liabilities, this synthetic procedure has been reported
Shannon E. Wright   +6 more
doaj   +1 more source

Technical Efficiency of Gambir Farming in Lima Puluh Kota Regency, West Sumatra, Indonesia

open access: yesInternational Journal of Agricultural Sciences, 2021
This study analyzes the factors influencing gambier productivity, analyzes the technical efficiency of gambier farming, and analyzes the factors affecting gambier farming's technical efficiency.
Fauziah Fauziah   +2 more
doaj   +1 more source

The Mechanically Extraction Process of Gambier (Uncaria gambier Roxb.) from Limapuluh Kota, West Sumatera and Its Antioxidant activity [PDF]

open access: yesJournal of Pure and Applied Chemistry Research, 2020
The extraction process from leaves and twigs of gambier (Uncaria gambier Roxb)plant was conducted mechanically by using traditional hydraulic press, conventional screw press, and modified twin-screw press.
Galuh Widiyarti   +3 more
doaj   +1 more source

Factors Affecting the Marketing Efficiency of Gambier Commodity in Lima Puluh Kota Regency, West Sumatra, Indonesia

open access: yesInternational Journal of Agricultural Sciences, 2021
This research is motivated by the condition of Gambier marketing in Limapuluh Kota Regency, the Gambier center of West Sumatera and Indonesia, which is still experiencing problems and tends to be inefficient because of the high marketing margins, and the
Muhammad Hendri   +3 more
doaj   +1 more source

Kajian kualitas gambir dan hubungannya dengan karakteristik kulit tersamak

open access: yesMajalah Kulit, Karet, dan Plastik, 2015
This study aimed to investigate the quality of gambier taken from gambier production center in West Sumatra, the characteristic of tanned leather which was tanned by gambier, and the relationship between gambier quality and tanned leather product.
Anwar Kasim, Alfi Asben, Sri Mutiar
doaj   +1 more source

Analysis of Work Posture on Gambier Farmers Using the Rapid Entire Body Assessment Method

open access: yesJurnal Ergonomi Indonesia, 2023
In processing gambier farmers work with various postures, namely standing, sitting, and some in a bent position. This study aims to determine the work posture to assess the ergonomic risk level in gambier processing farmers.
Fea Firdani   +3 more
doaj  

SISTEM PEMASARAN GAMBIR DI SUMATERA BARAT (Kasus di Kecamatan Kapur IX, Kabupaten Lima Puluh Kota)

open access: yesSepa, 2017
Gambier  is  one  of  the  commodity  export  in  Indonesia  and  it  has  been supplied  80%  of  the  world’s  needs.  The  largest  gambier  production  area  is  Lima Puluh  Kota  Regency,  West  Sumatera  (70,39%).  The  benefit  from  its  position 
Amelira Haris Nasution   +2 more
doaj   +1 more source

Quality Profile Of Smoked African Sharptooth Catfish (Clarias Gariepinus) Treated With Uncaria Gambier (Uncaria Gambir Roxb) [PDF]

open access: yes, 2017
The purpose of this research was to study antibacterial properties of gambier on the quality charecteristic of smoked African sharptooth catfish (Clarias gariepinus) which was marinated by antibacterial gambier, and to review the effect of ...
Agustini, S. (Sri)   +3 more
core   +1 more source

Antimicrobial properties of various solvents combinations for phytochemical fraction derived from Uncaria gambier extract against Enterococcus faecalis ATCC 29212

open access: yesPadjadjaran Journal of Dentistry, 2021
Introduction: Enterococcus faecalis is often found in root canal infections and can cause failure in root canal treatment. Uncaria gambier is an herbal medicine that is known to be rich in polyphenol compounds that have antibacterial properties.
Gita Dwi Jiwanda Sovira   +2 more
doaj   +1 more source

Kualitas Pewarnaan Ekstrak Gambir Pada Batik Sutera [PDF]

open access: yes, 2016
Gambier is one of the vegetable colorant source that can be applied for batik dyeing. This research aims to determine the color shades and fastness properties of silk batik dyed with gambier.
Atika, V. (Vivin)   +2 more
core   +3 more sources

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