Telah dilakukan pembuatan biobriket dari limbah kulit durian menggunakan perekat kulit pisang raja dan tapioka dengan variasi waktu dan temperatur karbonisasi yang bertujuan untuk menentukan pengaruh variasi waktu dan temperatur karbonisasi terhadap analisis proksimat biobriket dari limbah kulit durian yang dihasilkan. Kulit durian dikarbonisasi menggunakan furnace pada temperatur 400, 500, 600…
Ekstrak kasar enzim selulase diperoleh dari Enterobacter asburiae, bakteri selulotik yang banyak ditemukan pada pencernaan rayap lahan gambut. Enzim dimanfaatkan untuk menghidrolisis selulosa dari Tandan Kosong Kelapa Sawit (TKKS) menjadi glukosa. Penelitian ini bertujuan untuk mengetahui pengaruh waktu hidrolisis terhadap kadar glukosa serta pH dan jumlah substrat terhadap aktivitas enzim dala…
Vitex pinnata merupakan tumbuhan yang tersebar luas di daerah tropis yang berasal dari famili Lamiaceae. Bioaktivitas seperti antioksidan, antibakteri, dan antikanker yang berasal dari ekstrak maupun senyawa metabolitnya telah dilaporkan dari tumbuhan ini. Penelitian ini bertujuan untuk mengisolasi senyawa metabolit sekunder selain senyawa balanophonin yang dapat bersifat polar atau non polar d…
Dengan penekanan pada aplikasi, pedagogi penyelesaian soal yang mendalam, dan kumpulan soal- soal yang sangat bagus, Kimia Organik; Suatu Kuliah Singkat edisi kesebelas oleh Hart/Craine/ Hart ini menyajikan suatu pengantar kimia organik modern yang sangat bagus.
Salmon fish oil (SOF) is a type of functional food similar to probiotics. MIS contains fatty acids which have the ability to effect the growth of Bifidobacteria Longum.B Longum has good antibacterial properties so it is often us an good bioactivity. This research was conducted to determine the effect of MIS for growth of probotic and the effect of the combination of these two test sample so tha…
ABSTRACT : Ether compounds such as diisopropyl ether can be used as fuel additives. Diisopropyl ether obtained through the dehydration process of isopropyl alcohol over metal impregnated catalyst. This study aims to synthesized silica Cerium (IV) Sulfate catalyst using Phthalate as template. The catalysts prepared by calcination temperature variations at 400oC, 500oC, 600oC, 700oC, and 800oC fo…
Salah satu olahan buah kelapa yang sangat menjanjikan dan mempunyai peluang besar untuk dikembangkan adalah minyak kelapa murni atau Virgin Coconut Oi (VCO). Teknologi pembuatan VCO ada bermacam-macam, yaitu sentrifugasi, fermentasi, enzimatis dan pemompaan. Metode tersebut masih terdapat kelemahan yaitu rendemen yang dihasilkan masih rendah dan kualitas VCO kurang baik karena adanya kontaminan…
The palm oil industry in Indonesia produces a lot of solid waste in the form of palm shells. Palm shell contains cellulose that can be utilised as an adsorbent. Adsorbents can function as metal absorbers such as Pb metal. Pb metal that exceeds the maximum limit in waters can endanger the surrounding environment. This study was conducted to make adsorbents from oil palm shells that were refined …
Telah dilakukan pembuatan biobriket dari cangkang biji karet dan sabut kelapa sawit dengan penambahan perekat tapioka dan kulit pisang kepok yang dikarakterisasi berdasarkan acuan SNI 01-6235-2000. Cangkang biji karet dan sabut kelapa sawit dikarbonisasi menggunakan furnace pada waktu 30, 60 dan 90 menit dengan temperatur 400, 450 dan 500oC. Arang cangkang biji karet dan sabut kelapa sawit dige…
Crude Palm Oil (CPO) merupakan minyak nabati yang dimanfaatkan dalam kehidupan sehari-hari. Berdasarkan SNI No. 01-2901-2006 terdapat beberapa parameter yang digunakan untuk menentukan kualitas CPO sebelum diperjualbelikan di pasaran. Salah satunya adalah kadar asam lemak bebas (ALB). Penelitian ini bertujuan untuk menurunkan kadar ALB sampel CPO dengan adsorben cangkang kelapa sawit dan uji ak…
Fagraea fragrans is a plant commonly found in Sumatera island. Several studies reported that F. fragrans has various pharmacological activities indicating the presence of active compounds in this plant, such as phenolics dan flavonoids. Hence, This study aims to estimate the total phenolic and flavonoid content, determine the antioxidant activity, and identify the compounds with LC-MS. The rese…
Sungkai belongs to the Lamiaceae famili with the latin name Peronema canescens Jack. Sungkai leaves have traditionally been used as a medicine to increase the body’s immune system. Its efficacy as an immune system drug is related to the presence of antioxidant. The aims of this research to determine the antioxidant activity of the ethyl acetate fraction of sungkai leaves (P. canescens Jack.) …
VCO is an oil obtained from fresh old coconut flesh squeezed with or without the addition of water, without heating, or by heating less than 60°C. The main component of VCO is medium-chain fatty acids, especially lauric acid. Over time, there have been various technologies for making VCO, but pre-existing methods still have weaknesses, namely that the yield produced is still low and the qualit…
Virgin coconut oil adalah minyak yang dihasilkan dari pati kelapa yang telah diproses secara higienis dan tanpa pemurnian kimia, sehingga kandungan yang penting dalam minyak tetap dipertahankan. VCO umumnya dibuat dengan menggunakan dua metode diantaranya metode kering dan metode basah. Salah satu pembuatan VCO dengan metode basah adalah elektrolisis. Metode elektrolisis dilakukan dengan mengal…
Semprawang (Dillenia ochreata) merupakan salah satu tumbuhan obat tradisional yang berasal dari genus Dilleniaceae untuk pengobatan luka. Informasi mengenai kandungan kimia maupun aktivitas biologis dari tumbuhan D. ochreata masih sangat terbatas. Penelitian ini bertujuan untuk mengetahu aktivitas antibakteri ekstrak metanol total dan fraksi- fraksi (n-heksana, etil asetat dan metanol) dari dau…
Semprawang (Dillenia ochreata) is a plant that belongs to the Dilleniaceae family. D. ochreata is empirically used by the Musi as a cure for scabies. Information about the activity of D.ochreata is still very limited. The purpose of this study was to determine the antioxidant and anticholesterol activity of the stem bark of Semprawang (Dillenia ochreata). The extraction method used is the maser…
ABSTRACT : PKO (Palm Kernel Oil) can be used in the industrial sector as a basic ingredient for making soap. Based on this, this research was conducted to make liquid soap from PKO and its characterization based on SNI 4085-2017. Making liquid soap is done by reacting PKO oil, KOH, glycerin, ethanol, and jasmine extract fragrance which then produces liquid soap products. The liquid soap that ha…
Research on the modification and utilization of natural bentonite as coagulation agent for wastewater of tapioca factory has been carried out. The material used in this research is natural bentonite from Baturaja modified with ammonium chloride. The results of the modification used as a coagulation agent that plays a role in the treatment of tapioca factory wastewater in overcoming turbidity, T…
Gandarusa (Justicia gendarussa Burm. F.) belongs to medicinal plant that has been used traditionally in the treatment of degenerative diseases. The aims of this study to analysis the total phenolics and flavonoids compounds of the J. gandarussa leaves fraction and its antioxidant activity assay. The research begins with fractionation by maceration method using solvents with increasing polarity …
Bandotan (Ageratum conyzoides) is one of the plants of the genus Ageratum which is traditionally used for the treatment of diseases. Bandotan leaves are used to treat diarrhea. Scientific information from the bandotan plant is very limited. This study aims to isolate and test the antibacterial activity of secondary metabolites from bandotan leaf ethyl acetate extract. The study began with macer…
Telah dilakukan penelitian pengaruh waktu dan penambahan HCl pada proses Ozonolisis Tandan Kosong Kelapa Sawit. Penelitian ini bertujuan Mempelajari pengaruh penambahan HCl pada proses ozonolisis TKKSm Mempelajari pengaruh waktu ozonolisis pada proses ozonolisis TKKS, Menentukan kadar lignin hasil proses ozonolisis. Delignifikasi dilakukan dengan ozonolisis dengan variasi waktu dan panambahan H…
Low Grade Crude Palm Palm Oil (LGCPO) is palm oil low quality with high free fatty acid content which can be used for soap making . The purpose of study to determine the composition of free fatty acids (FFA) in LGCPO based on storage time, determine of LGCPO oil ratio, Sodium hydroxide, stearic acid to produce the best soap product. Soap with the best quality is tested according to SNI-3532:202…
Pneumonia is a lung inflammation that can be caused by infection of Gram-negative bacteria such as Klebsiella pneumoniae and Acinetobacter baumannii. Alternative treatment that can be taken apart from using antibiotics is by using medicinal plants as antibacterial agents, for example noni fruit (Morinda citrifolia L.). This research was carried out to investigate the antibacterial properties fr…
Research on the effect of current and time variations on palm oil mill effluent treatment using the electrocoagulation method and activated charcoal filtration has been carried out. This study uses the electrocoagulation method with additional activated charcoal filtration which aims to compare the effect of variations in current strength and contact time on pH levels, TDS (Total Dissolve Solid…
Sintesis rGO telah dilakukan dengan metode Hummer menggunakan agen pereduksi ekstrak daun matoa. Hasil sintesis berupa grafit, oksida grafena dan oksida grafena tereduksi dikarakterisasi menggunakan XRD, FTIR dan spektroskopi Raman. Hasil sintesis ini kemudian diaplikasikan sebagai adsorben untuk adsorpsi zat warna metilen biru. Pada penelitian ini uji adsorpsi didasarkan pada pengaruh konsentr…
Isolation of secondary metabolite from n-hexane extract of the stem of Tinospora crispa had been done. The extraction was done by maceration. The extract of n-hexane was separated and purified by chromatography column techniques. Antioxidant activity of the isolated compound was conducted by DPPH (1.1-diphenylpycryl hidrazyl) method with concentration variation of 1000, 500, 250, 125, 62.5, 31.…