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Isolation And MS Study Of Friedelinol From The Leaves Of Terap (Artocarpus Odoratissimue Blanco)

Erwin, Erwin; Sulistyaningsih, Sri; Kusuma, Irawan W. (International Journal of Pharma and Bio Sciences, 2015-01-01)

Artocarpus odoratissimus Blanco (local name: Terap) is one of the Artocarpus species was taken from the tropical forests of East Kalimantan. A friedelinol (triterpene) was isolated from the leaf extracts of the plant and ...

Isolation And MS Study Of Friedelinol From The Leaves Of Terap (Artocarpus odoratissimus BLANCO)

Erwin, Erwin; Sulistyaningsih, Sri; Kusuma, Irawan W. (International Journal of Pharma and Bio Sciences, 2015-01-01)

Artocarpus odoratissimus Blanco (local name: Terap) is one of the Artocarpus species was taken from the tropical forests of East Kalimantan. A friedelinol (triterpene) was isolated from the leaf extracts of the plant and ...

Esterification of oil adsorbed on palm decanter cake into methyl ester using sulfonated rice husk ash as heterogeneous acid catalyst

Hindryawati, Noor; Erwin, Erwin; Maniam, Gaanty P. (AIP Publishing, 2017-02-15)

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 ...

PENERAPAN FUZZY TIME SERIES LEE UNTUK PERAMALAN NILAI TUKAR PETANI SUBSEKTOR PETERNAKAN DI KALIMANTAN TIMUR

Muhammad, Mahadi (Universitas Mulawarman, 2020)

Fuzzy time series (FTS) Lee adalah perkembangan dari FTS Song dan Chissom, FTS Cheng, serta FTS Chen untuk meramalkan suatu nilai di masa yang akan datang. Tujuan penelitian ini adalah memperoleh hasil peramalan Nilai Tukar ...

Comparison of C5.0 Algorithm Classification with Classification and Regression Tree (Case Study: Social Data of Family Head of Teluk Baru Village, Muara Ancalong District in 2019

Pratiwi, Reni (Universitas Mulawarman, 2020-03-10)

Decision tree adalah pohon keputusan yang digunakan sebagai prosedur penalaran untuk mendapatkan jawaban dari masalah yang dimasukkan. Banyak metode yang dapat digunakan pada decision tree, diantaranya adalah algoritma ...

GC-MS profiling and DPPH radical scavenging activity of the bark of Tampoi (Baccaurea macrocarpa)

erwin, erwin (2019-12)

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 ...

Antioxidant Assay Of Dayak Onion (Eleutherine palmifolia) Via DPPH (1,1-Difenil-2-Pikrilhidrazil) And BSLT Test For Its Active Fraction

erwin, erwin (Rasayan Journal, 2019-07)

Dayak Onion (Eleutherine palmifolia) is a widely available plant in Kalimantan which has never been optimally analyzed for its significant. The aim of this research was to determine the active fraction of Dayak ...

Influence of the addition and storage time of crude extract of tea leaves

erwin, erwin (American Institute of Physic, 2017)

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 ...

Growth evaluation of several types of energy crops from tropical shrubs species

susanto, dwi (F1000 Research Ltd, 2019-03)

Background: Few species of tropical shrubs potentially produce biomass to replace fossil fuels for heat production and electricity. The aims of this study were to determine the growth and nutrient status of leaves of s ...

Effect of organic manure fertilizer on the growth of Macaranga gigantea

susanto, dwi (Society for Indonesian Biodiversity., 2019-11)

M. gigantea planting research has been conducted in several habitats such as natural forest gaps, drained peatland and soil with highly degraded land for rehabilitation. This study investigated the effect of organic ...

Rhizosphere fungal community, soil physicochemical properties, understorey vegetation and their relationship during post-coal mining reclamation in East Kalimantan, Indonesia

susanto, dwi (Society for Indonesian Biodiversity, 2019-07)

The objective of this study was to evaluate the composition of fungal community in rhizosphere, understorey vegetation and soil physicochemical properties post-coal mining reclamation. Soil sampling was conducted using a ...