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EKOLOGIA : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Published by Universitas Pakuan
ISSN : 14419447     EISSN : 26864894     DOI : 10.33751
Core Subject : Science, Education, Social, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Mathematics
Ekologia adalah jurnal ilmiah yang diterbitkan untuk mengakomodasi tulisan hasil penelitian bagi sivitas akademika Universitas Pakuan khususnya dan instansi lain di luar Universitas Pakuan pada umumnya. Jurnal ini memuat artikel primer yang bersumber langsung dari hasil penelitian Ilmu Dasar dan Lingkungan Hidup. Ekologia diterbitkan dua kali dalam setahun yaitu pada bulan April dan Oktober oleh Fakultas Matematika dan Ilmu Pengetahuan Alam-Universitas Pakuan. Semoga Jurnal ini bermanfaat bagi perkembangan hasanah ilmu pengetahuan.
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Articles 402 Documents
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FAKTOR-FAKTOR YANG BERPENGARUH TERHADAP KEBERLANJUTAN KAWASAN PERMUKIMAN DI DAERAH ALIRAN SUNGAI (DAS) CILIWUNG HULU KABUPATEN BOGOR Indarti Komala Dewi
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 11, No 1 (2011): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v11i1.235

Abstract

The upper stream of Ciliwung watershed lies in Bogor District, has an important function for the surrounding areas, which regulated or managed water supply, whether floods or drought in the middle and the down stream.  Growing of settlement areas was changed landscape and degraded environment, and then this is threated sustainability of setlement areas. Sustainability of Settlement areas in Upper stream of Ciliwung Watershed are impacted  by  internal and external factors. The objective of this research the first is to analyse sustainability of settlement areas in upper stream of Ciliwung Watershed. and the second is to analyse  factors that impacting sustainability of  settlement areas in the upperstream of Ciliwung watershed, The research method used Multi Dimentional Scaling (MDS) technique with Rapfish software. The research result showed that settlement areas in Upper stream of Ciliwung watershed are less sustainable, with 16 factors that impacting this sustainability. Keyword :  Ciliwung watershed, sustainability of settlement areas.
UJI KUALITAS MIKROBIOLOGI DAN KIMIAWI SEDIAAN YOGHURT BERBAHAN DASAR KACANG BOGOR (Vigna subterranea) Rika Sri Agustina; Tri Saptari Haryani; . Ismanto
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 21, No 1 (2021): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v21i1.3000

Abstract

Yogurt is milk fermented with Lactobacillus bulgaricus and Streptococcus thermophilus bacteria. Yoghurt is derived from milk, which is a source of protein, one source of vegetable protein is bambara groundnut milk. The purposes of this research are to determine the quality of yoghurt made from bambara groundnut through microbiological and chemical tests and to determine the concentration of milk and the optimal fermentation temperature for making yoghurt with the best quality. This research used a completely randomized factorial design with the concentration of bambara groundnut milk of 15%, 20%, and 25% and the fermentation temperature of 35°C, 40°C, and 45°C and a four-time repetition. The result of this research shows that the best quality of yoghurt made from bambara groundnut was obtained from the treatment of bambara groundnut milk with the concentration of 20% and the fermentation temperature of 45°C with the results of total coliform, Salmonella sp., Listeria monocytogenes, total lactic acid bacteria, bacterial morphology, protein, acidity, fat and organoleptic respectively: 0 MPN/gram, negative/25gram, negative/25gram, 2.6x109 colonies/gram, circular shape, milky white, convex elevation, Gram positive, 3.74%, 1.77 %, 0.68% and liked by panelists.
PENERAPAN ANALISIS DISKRIMINAN UNTUK MENGKAJI PERBEDAAN KONSUMSI PANGAN HEWANI DI WILAYAH PERKOTAAN DAN PERDESAAN DI INDONESIA Afriyanti Rahmawati Saputri; Fitria Virgantari; Hagni Wijayanti
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 16, No 2 (2016): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v16i2.732

Abstract

This research aims to examine the differences between animal food consumption in urban and rural areas in Indonesia using discriminant analysis. The data used are secondary data obtained from the National socio-economic Survey (Susenas) held Central Bureau of statistics of the year 2015. The data analyzed includes data on average consumption of protein (grams) per capita a day according to the dining area and group housing in 34 provinces in Indonesia. Animal food consumption are examined, namely fish consumption, the consumption of meat, eggs and milk consumption. Based on the results of the analysis it can be concluded that the normality test,  matrix test  of  the  variety  of  uniform  and   test  the   average   vector  value is fulfilled, so the discriminant function is obtained as follows: where is consumption of fish, is the consumption of meat, eggs and milk consumption was and is the value of the discriminant score. The result of the discriminant functions that form validation indicates that the function is accurate and stable. The precision of the discriminant function was 85.08% or there are 2 errors in classifying a group of villages and 8 errors in classifying a group of 67 regions of cities and villages throughout the province in Indonesia. Based on the magnitude of the coefficients of the function, that the consumption of eggs and milk that contributes the largest animal food consumption differences across cities and villages. Key words : animal food consumption, discriminant analysis, test validation, assumptions
EFEK EKSTRAK ETANOL 70% HERBA KEMANGI (Ocimum americanum L.) SEBAGAI PENURUN KADAR ASAM URAT PADA TIKUS JANTAN Galur Sprague Dawley Yesi Restina; E. Mulyati Effendi; Ike Yulia W.
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 18, No 2 (2018): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v18i2.1625

Abstract

This study aims to determine the influence of ethanol extract 70% herbal basil in the uric acid levels in Sprague, Dawley strain. The test animals used were 25 mice that were divided into 5 groups, each consisting of 5 mice. Group Treatment I Allupurinol 5.04 g/200 g BB as control (+), treatment II CMC 0.5%/200 g BB as Control (-), treatment III ethanol extract 70% herbal basil 0, 4g/200g BB (dose 1), treatment IV ethanol extract 70% herbs basil 0, 8g/200g BB (dose 2) and V treatment ethanol extract 70% herbals Basil 1, 6g/200g BB (dose 3). The results showed that the administration of basil extract of herbals can reduce levels of uric acid during treatment 15 days, the most effective dose is dose 2 (0, 8g/200g BB).
KARAKTERISTIK TEPUNG LIMBAH AMPAS KELAPA PASAR TRADISIONAL DAN INDUSTRI VIRGIN COCONUT OIL (VCO) Diana Widiastuti; Ade Heri Mulyati; Muthia Septiani
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 15, No 1 (2015): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v15i1.208

Abstract

Coconut processing industry produces a by-product or shredded coconut husks limbahberupa. The main advantage of the dregs of coconut food fiber  is high, which proved instrumental in the prevention and control of various chronic diseases such as colon cancer, heart attack, hypertension, stroke and diabetes mellitus. This research aims to produce products made from flour, coconut dregs have a good nutritional quality and food high in fiber so it is expected to become a functional food ingredients. This research use the sample waste dregs of coconut derived from shredded coconut seller in the traditional markets of coconut husks and waste from industrial Virgin Coconut Oil (VCO), then waste coconut husks that are washed, boiled, dried and milled into flour so that the coconut husks. Based on data proksimat the flour coconut pulp market has food and fiber carbs are lower while levels of protein, fat and vast grounds higher than the flour coconut husks VCO.Analysis of microbiological by-product of coconut flour shows VCO has sanitation and food security is better when compared to the dregs of coconut flour market. Key words: Waste, Coconut Dregs Of  Flour, Proksimat, Microbiology
KERAGAMAN JENIS ANGGREK TANAH DI SUMATRA YANG MEMPUNYAI DAUN INDAH Wihermanto -; Sri Hartini -
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 13, No 1 (2013): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v13i1.6

Abstract

Sumatra merupakan kawasan yang menyimpan banyak kekayaan tumbuhan berpotensi. Anggrek merupakan salah satu takson yang dapat ditemukan di kawasan ini, dimana banyak diantaranya merupakan anggrek yang atraktif dan bernilai ekonomi tinggi. Tujuan dari penelitian ini adalah untuk mengetahui keragaman anggrek khususnya anggrek tanah yang memiliki daun indah. Metode yang digunakan dalam penelitian ini adalah metode jelajah yang dilakukan hampir di seluruh kawasan Sumatra. Hasil penelitian menunjukkan bahwa setidaknya 11 jenis anggrek tanah yang mempunyai daun indah berhasil ditemukan. Ke-11 jenis tersebut termasuk dalam 6 marga yaitu Goodyera, Anoectochillus, Nephelaphyllum, Macodes, Nervilia, dan Paphiopedilum. Informasi botani dari jenis-jenis tersebut disajikan dalam makalah ini.
EVALUASI KINERJA METHYL DIETHANOL AMINE (MDEA) DALAM PENYERAPAN KANDUNGAN H2S PADA PROSES PENGOLAHAN GAS ALAM . Sutanto; Ade Heri Mulyati; . Hermanto
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 20, No 1 (2020): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v20i1.1986

Abstract

Drilling natural gas contains water vapor (H2O) and contaminant gases such as CO2 and H2S which must be removed because it reduced the calorie value of the product. H2S gas is also corrosive, easily damaging equipment so that it increased maintenance costs. The process of removing CO2 and H2S gas uses MDEA (methyl diethanolamine). This study aims to determine the optimal concentration and flow rate of absorbent methyl diethanolamine (MDEA) to absorb H2S in the plant I gas flow in Energy Equity Epic (Sengkang) Pty.Ltd. The study was carried out with a steady MDEA mix absorbent flow rate (50% pure amine and 50% demineralization water) fixed at 13 US Gallons per minute flowing continuously at the upper absorber inlet, sour gas flow rate, at the bottom of the absorber inlet with variations in the flow gas namely 7,9,11,13,15,17 MMSCFD and is contacted with amine solution counter-current. Purified natural gas (sweet gas) produced from the top absorber column outlet with an H2S content below 10 ppm. The results showed that the greater the flow rate of gas inlet, the greater the acid gas absorbed. The  amount  of gas  entering and  exiting gas follows the  equation        y = 0.003 x - 2.2537. The ability of the amine solution to absorb H2S follows the logarithmic equation y = 0.167 ln (x) + 101.02 with a value of R = 0.9857, y is H2S absorbed by the amine solution and x is the H2S rate.
FORMULASI GRANUL INSTAN EKSTRAK HERBA PEGAGAN (Centella asiatica) DAN ANALISIS ASIATIKOSIDA - Prasetyorini; Bina Lohitasari; Ahmad Amirudin
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 12, No 1 (2012): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v12i1.252

Abstract

The research was conducted in the month from February until April 2011 in the laboratory of Pharmacy Faculty of Mathematics and Natural Sciences, University Pakuan. The research objective is to make a health drink formulation of herbs gotu kola extract and determine the form of instant granules asiatikosida content. Herb gotu kola is used in this study is the collection BALITRO. In this study of instant granules prepared by wet granulation method and made three formulas are: FI (formula without essence), F II (formula with caramel essence, and F III (formula with mango essence.) Asiatikosida analysis performed on dry ekstrakt by TLC method the scanner. the results showed all formulas have the instant granule flow rate and good Sagat compressibility, organoleptic tests (smell and color), which are the F III, asiotikosida content showed a decrease during processing. Gynecology asiatikosida ekstrakt dry is 1.75% (4.375 mg asiatikosida) , instant granules FI of 0.46% (0.052 mg asiatikosida), F II by 0.68% (0.072 mg asiatikosida), and F III amounting to 0.48% (0.056 mg asiatikosida). Rf value on testing asiatikosida in extracts obtained 0.81 with a standard 0.80. Rf value on testing for FI 0.28 instant granules; FII 0.28, and F III 0.29, the standard used for Rf value of 0.28 Kata kunci :   ekstrak herba pegagan, granul instan, asiatikosida
STUDI PEMANFAATAN Mo-ZAA SEBAGAI KATALIS DAN PENGARUH VARIASI TEMPERATUR HIDROCRACKING TERHADAP PRODUK HIDROCRACKING MINYAK JARAK PAGAR Yulian Syahputri; Adi Mara
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 15, No 2 (2015): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v15i2.196

Abstract

Study of utilization of Natural Zeolites Active-Mo (Mo-ZAA) as a catalyst and influence of temperature variation on hydrocracking product temperature hydrocracking has done. Castor oil hydrocracking process done with a variation of the temperature of 250oC, 300oC, 350oC, 400oC, 450oC, 500oC and 550oC, flow rate of hydrogen gas 3.5 mL/minute and weighs 1.5 g catalysts. Hydrocracking castor oil products have been analyzed including the burning heat, density and viscosity by using the bom kalorimeter, picnometer and Ostwald viscometer instrument. The results of this study showed that the best value of the burning heat, density and viscosity in a row is on the 53.0003 kJ/g; 0.9698 g/mL and peace of 3.1691, each of which is operated at a temperature of 350oChydrocracking. Using the Mo-ZAA as a catalyst also plays a role in the process of hydrocracking. This can be seen from the value of the heat of combustion, the density and viscosity of castor oil hydrocracking product is better than the heat of combustion, density and viscosity prior hydrocracking. Key Words : Hydrocracking, Catalyst, Active Natural Zeolite, Castor Oil
KEANEKARAGAMAN MAKROZOOBENTOS DI SUNGAI CILIWUNG Sri Wiedarti; Desi Hardiyanti; Rouland Ibnu Darda
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 14, No 1 (2014): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v14i1.132

Abstract

Sungai Ciliwung sebagai salah satu perairan umum yang mengalir melewati berbagai daerah mulai dari wilayah yang belum terganggu sampai dengan wilayah kegiatan manusia. Penelitian tentang makrozoobentos masih sedikit oleh karena itu perlu dilakukan penelitian tentang makrozoobentos. Penelitian bertujuan untuk mengetahui keanekaragaman makrozoobentos di Sungai Ciliwung. Pengambilan  sampel terbagi menjadi 3 titik. Stasiun I Puncak-Cisarua Kabupaten Bogor), Stasiun II di daerah bendungan Katulampa (Kota Bogor), dan Stasiun III di Kedung Halang (Kota Bogor). Pada setiap stasiun dilakukan pengulangan sebanyak tiga kali. Dari hasil penelitian diperoleh komposisi 7 spesies dari kelas Gastropoda yaitu Elimia sp, Pila sp, Floridobia sp, Tarebia sp, Ademietta sp, Pomacea canaliculata, dan Pleurocera sp. 1 spesies dari kelas Crustacea yaitu Scylla sp dan 1 spesies dari kelas Bivalvia yaitu Corbicula sp. Keaekaragaman tertinggi adalah pada stasiun I (Cisarua) dengan indeks keanekaragaman 0,544 dan keanekaragaman yang terendah terdapat pada stasiun III (Kedung Halang) tidak terdapat makrozoobentos. Kepadatan populasi yang didapat pada stasiun I (Cisarua) yang tertinggi jenis Tarebia sp dengan indeks kepadatan populasi 0,1188 dan terendah pada jenis Pila sp yaitu 0,006. Pada stasiun II (Katulampa) tertinggi jenis Elimia sp dengan indeks kepadatan populasi 0,1188 dan terendah pada jenis Tarebia sp dan Corbicula sp yaitu 0,006. Frekuensi kehadiran pada stasiun I (Cisarua) yang tertiggi pada jenis Elimia sp, Tarebia sp dan Ademietta sp dengan frekuensi kehadiran 100% dan yang terendah pada jenis Pila sp dan Parathelphusa sp dengan frekuensi kehadiran 33,3%. Pada stasiun II (Katulampa) yang tertinggi pada jenis Pomacea sp dan Elimia sp yaitu dengan frekuensi kehadiran 100% dan terendah pada jenis Tarebia sp dan Corbicula sp dengan frekuensi kehadiran 33,3%. Kata kunci: Makrozoobentos, Jaring Surber, Sungai Ciliwung

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