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Pengaruh Molase dan Bioaktivator EM4 Terhadap Kadar Gula Pada Fermentasi Pupuk Organik Cair Fahruddin Fahruddin; Sulfahri Sulfahri
BIOMA : JURNAL BIOLOGI MAKASSAR Vol. 4 No. 2 (2019)
Publisher : Department of Biology, Faculty of Mathematics and Natural Sciences, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/bioma.v4i2.6905

Abstract

Bioslurry merupakan produk dari hasil pengolahan biogas berbahan kotoran ternak serta air melalui proses fermentasi anaerob, baik digunakan sebagai bahan baku pembuatan pupuk organik cair (POC) karena kaya akan unsur hara seperti nitrogen, fosfor dan material organik yang bernilai lainnya serta mampu memperbaiki sifat fisik tanah . Tujuan penelitian ini untuk mengetahui  pengaruh molase dan bioaktivator EM4 pada kadar kadar gula dalam fermentasi POC. Perlakuan meliputi PI molase 0% dan EM4 5%, P2 molase 2% dan EM4 5%, P3 molase 4% dan EM4 5%, P4 molase 0% dan EM4 10%, P5 molase 2% dan EM410%, dan P6 molase 4% dan EM4 10%. Pengukuran kadar gula dengan metode DNS. Hasil penelitian menunjukkan bahwa perbedaan konsentrasi molase yang terkandung di dalam POC berpengaruh terhadap kadar gula, sedangkan perbedaan penggunaan konsentrasi EM4 tidak berpengaruh terhadap beberapa parameter pengamatan seperti kadar gula.  EM4 tidak berpengaruh terhadap kadar gula yang terkandung di dalam POC, sehingga persentase penggunaan EM4 pada POC tidak mengharuskan pada satu tingkatan saja. Namun, kadar gula berpengaruh nyata pada durasi fermentasi dan penggunaan molase pada POC.Kata kunci : molase, bioaktivator EM4, kadar gula,  pupuk organik cair
PEMANFAATAN SPIROGYRA SEBAGAI BAHAN BAKU BIOETANOL DENGAN PENAMBAHAN ENZIM α-AMILASE Sulfahri Sulfahri
Purifikasi Vol 12 No 1 (2011): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Environmental and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v12.i1.219

Abstract

Salah satu solusi alternatif untuk memenuhi kebutuhan bahan bakar adalah dengan memproduksi bioetanol dari konsumsi tanaman seperti jagung dan singkong. Produksi bioetanol dari tanaman tidak efektif karena memerlukan lahan besar untuk memasok kebutuhan bioetanol negara. Penelitian ini membahas penggunaan Spirogyra untuk produksi bioetanol melalui proses fermentasi dengan penambahan enzim α-amilase dalam konsentrasi yang berbeda dari 0, 0.03, 0.06, dan 0.09 g dalam 50 mL. Pengukuran kadar etanol dilakukan melalui proses destilasi. Data yang diperoleh dari proses destilasi dianalisis dengan analysis of variance (ANOVA) untuk mengetahui pengaruh perbedaan penambahan jumlah enzim α-amilase terhadap kadar etanol yang dihasilkan. Hasil penelitian ini menunjukkan bahwa penambahan enzim α-amilase berpengaruh terhadap jumlah etanol yang dihasilkan dari fermentasi ekstrak Spirogyra. Perlakuan dengan penambahan enzim α-amilase sebanyak nol menghasilkan etanol dalam jumlah yang tidak signifikan. Sedangkan, perlakuan penambahan enzim α-amilase 0,06 g/50 mL dalam waktu fermentasi 10 hari menghasilkan konsentrasi etanol tertinggi sebesar 9,245%.
PENGARUH JENIS BAHAN PEREKAT DAN METODE PENGERINGAN TERHADAP KUALITAS BRIKET LIMBAH BAGLOG JAMUR TIRAM PUTIH (Pleurotus ostreatus) Siti Mushlihah; Sulfahri; Renia Setyo Utami; Eko Sunarto; I.D.A.A. Warmadewanthi
JURNAL PENELITIAN BIOLOGI BERKALA PENELITIAN HAYATI Vol 17 No 1 (2011): December 2011
Publisher : The East Java Biological Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (212.967 KB) | DOI: 10.23869/187

Abstract

White mushroom is one of popular food commodity in East Java. Every year total production of white mushroom is more than 4800 ton. The cultivation of this mushroom needed the medium known as "baglog". Every 3 month the medium should be changed. The huge amount of solid waste will be produced around 40 tons/month and must be managed by farmer. Based on the composition of waste contains 80% of sawdust and 10% of rice brain. This composition known has a high concentration of carbon and potential as a material to produce of energy. This research investigated the effectiveness of "baglog" from medium of white mushroom cultivation as a briquette for energy alternative. Different variables used in this experiment are drying process and material that used as an adhesive for making of the briquette. The quality of the briquette such as energy value, compressive strength of briquette, moisture, fixed carbon and emission of briquette, was analyzed, based on Indonesia Standard. Result of the experiment showed that energy value of the briquette is 3400 cal/gram with drying process using oven. The compressive strength result showed that the adhesive using starch glue is very effective. This briquette is environmentally friendly
Potensi Senyawa Bioaktif Bajakah Spatholobus litoralis Hassk Sebagai Antimikroba Dengan Cara In-Vitro dan In-Silico Alif Rahman Habibi; Eva Johannes; Sulfahri
Jurnal Ilmu Alam dan Lingkungan Vol. 13 No. 1 (2022): Jurnal Ilmu Alam dan Lingkungan
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jal.v13i1.20455

Abstract

Bajakah (Spatholobus littoralis Hassk) is a plant originating from the forests of Kalimantan which contains compounds in the form of alkaloids that act as antimicrobials. The purpose of this study was to determine the activity of Spatholobus littoralis Hassk as an antibacterial. The in-silico method was carried out using a bioinformatics-based tool and antibacterial testing using the well method, this is because testing with the pitting method is more effective because the extract reacts directly with the test bacteria. Observations on S. aureus bacteria for 1x24 hours with a concentration of 12.5% formed an inhibition zone of 13.25 mm, a concentration of 25% formed an inhibitory power of 14.10 mm, and a concentration of 50% formed an inhibition zone of 15.4 mm. At 2x24 hours observation with a concentration of 12.5% formed an inhibitory zone of 13.625 mm, a concentration of 25% formed an inhibitory power of 14.50 mm, and for a concentration of 50% formed an inhibitory power of 15.70 mm. Meanwhile, E.coli bacteria do not form a clear zone so they do not have antibacterial properties.
IIn Silico Testing On The Activity Of Flavonol In Sterculia foetida Leaf As Natural Anti Hyperlipidemia Compounds Nindrahayu Syam; Andi Ariyandy; Ika Yustisia; Sulfahri; Yusfina
International Journal of Applied Biology Vol. 6 No. 1 (2022): International Journal of Applied Biology
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijab.v6i1.19918

Abstract

This study aims to measure the biological activity of flavonols in the leaves of Sterculia foetida as an antihyperlipidemic drug. The chemical structure of flavonols contained in the leaves of Sterculia foetida was taken from the literature. The target protein used was 3-hydroxy 3-methylglutaryl coenzyme A reductase and the control was simvastatin. Water molecules have been removed with PyMol v2.5.2 Software. Docking between the target protein and flavonols was performed using PyRx-Python Prescription 0.8 Software. The results showed that flavonol compounds have greater potential for antihyperlipidemia compared to control compounds. The equivalent affinity of 3-hydroxy 3-methylglutaryl coenzyme A reductase for flavonols is -8.3, and the affinity of 3-hydroxy-3-methylglutaryl coenzyme A reductase for simvastatin is -7.9. Flavonol toxicity studies have shown that flavonols are not potentially carcinogenic and did not cause mutations. The absorption of flavonols in water was higher than that of the control compound.
KAJIAN LINGKUNGAN TEMPAT PEMILAHAN SAMPAH DI KOTA MAKASSAR Asmi Citra Malina; Suhasman Suhasman; Asikin Muchtar; Sulfahri Sulfahri
Jurnal Inovasi dan Pelayanan Publik Makassar Vol 1 No 1 (2017): Jurnal Inovasi dan Pelayanan Publik Makassar
Publisher : Badan Penelitian dan Pengembangan Daerah Kota Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (325.317 KB)

Abstract

This study aims to evaluate the existing condition of waste sorting place in Makkassar City and the existing regulations in supporting the handling of waste in Makassar City in order to produce formulation of waste sorting system from household to TPS. Methods of data collection used in this study are: (1) study of literature and regulation, and waste management system in several cities and major countries to be adopted in Makassar; (2) field survey to find out the complaints in the community around the place of sorting of garbage; (3) Focus Group Discussion (FGD) from various stakeholders including the community around the place of waste segregation and related SKPD. Likert scale (as one of attitude scale) for the development of statistical analysis technique where ordinal data is converted to interval data, the result will be analyzed using Analytic Hierarchy Process (AHP) to formulate policy about septic and environmentally friendly waste separation place in Makassar City. The result of the research shows that: (1) Waste Bank and TPS3R in Makassar city can improve the economy of society and reduce unemployment, (2) Waste Bank in Makassar city acceptable to society and not cause negative impact, (3) TPS3TR in Makassar City according to people's perception around the location can make dirty air due to dust and environmental smoke, (4) TPS3TR in Makassar City according to the perception of the people around the location can disrupt the general traffic around the TPS3R location, (5) Garbage Bank and TPS3R in Makassar City can improve people's economy and reduce unemployment.
In Silico Testing on the Activity of Quercetin in the Skin of Onion Allium Cepa L as A Natural Antihypertensive Compound Andi Ariyandy; Nindrahayu; Ami Febriza; Andi Irwan Muluk; Sulfahri
International Journal of Applied Biology Vol. 6 No. 2 (2022): International Journal of Applied Biology
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijab.v6i2.22143

Abstract

This study aims to determine the bioactivity of the compound quercetin in the peel of Allium cepa L as a natural antihypertensive compound. The chemical structure of the quercetin compound found in Allium cepa L peel was taken from the literature. The target protein used was Angiotensin-Converting Enzyme (ACE), while the control compound was lisinopril. Water molecules were removed using PyMol v2.5.2 Software. Docking between the target protein and the compound was carried out using PyRx-Python Prescription 0.8 Software. The results showed that the quercetin compound had more significant potential as an antihypertensive compared to lisinopril as a control compound. The affinity ratio of the Angiotensin-converting enzyme with quercetin is -8.1, while the affinity value of the Angiotensin-converting enzyme with lisinopril is -7.1.