Reports: Recent submissions
Now showing items 781-800 of 1066
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GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa)
(2019)Background : Tampoi ( Baccaurea macrocarpa) is a tropical rainforest plant that produces edible fruit and is native to Southeast Asia, especially East Kalimantan, Indonesia. Previous research showed that Tampoi potentially ... -
Influence of the addition and storage time of crude extract of tea leaves (camellia sinensis l.) toward value of free fatty acid in crude palm oil
(IOP Publishing Ltd., 2018)The purpose of this study was to determine the effect of the crude extract of tea leaves (Camellia sinensis L.) and storage time on the content of free fatty acid in palm oil.The dried tea leaves were macerated and ... -
Toxicity test, antioxidant activity test and GC-MS profile of the active fraction of Coptosapelta tomentosa (Blume) root (Merung)
(Foundation for Enviromental Protection and Research, 2019-12)Merung (Coptosapelta tomentosa (Blume)) is one of the plants of the genus Coptosapelta, commonly found in the forests of orneo. People in Kalimantan, especially in East Kalimantan and South Kalimantan, use the extract ... -
An anthraquinone derivative from Coptospella tomentosa (Blume) root (Merung)
(Foundation for Enviromental Protection and Research, 2020-09)Coptosapelta tomentosa (Blume) (Merung) is a type of tropical plants traditionally being used as amedicine by the Dayak tribes in Indonesia. This experiment aims to identify compound in the class of anthraquinone derivative ... -
Esterification of oil adsorbed on palm decanter cake into methyl ester using sulfonated rice husk ash as heterogeneous acid catalyst
(American Institute of Physics, 2017)Palm Decanter cake (PDC) which is categorized as the waste from palm oil mill has been found to contain residual crude palm oil. The oil adsorbed on the PDC (PDC-oil) can be extracted and potentially used as feedstock for ... -
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