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Biocelebes
Published by Universitas Tadulako
ISSN : -     EISSN : 25805991     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol. 5 No. 2 (2011)" : 6 Documents clear
Viabilitas dan Vigor Kecambah Aren Pada Berbagai Lama Penyimpanan dan Bahan Pengemasan Muhammad Salim Saleh; Wardah Wardah; Yusran Yusran
Biocelebes Vol. 5 No. 2 (2011)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

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Abstract

Research in experimental design was carried out to determine the proper storage period and packing material for maintaining the viability and vigour of sugar palm seedlings. This experiment used Split Plot in Completely Randomized Design. There were two factors were tested. The first factor was storage periods as the main plot, consisted of 7, 14 and 21 days. The second factor was packing materials as subplot, consisted of plastic bag, rice paper and rice paper+plastic bag. Each treatment used three replications. Data was analysed by using Analyses of Variance and differences between treatments were determined by HSD 5% test. Storage periods at 7, 14 and 21 days had an insignificant difference on the viability and vigour of sugar palm seedlings. Packing material from rice paper+plastic bag had a better water content, length of roots, germination rate and dry weight if compared to other packing materials. Packing material from plastic bag is more suitable for 7 days storage, rice paper for 7 and 14 days storage, and rice paper+plastic bag for 7, 14 and 21 days storage on the length of plumula. Key words: Palm, viability, vigour, storage, and packing material.
Pemanfaatan Limbah Cair Tahu (Whey Tahu) Sebagai Media Tumbuh Acetobacter xylinum untuk Memproduksi Nata Muhammad Alwi; Rahmiati Rahmiati; Umrah Umrah
Biocelebes Vol. 5 No. 2 (2011)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

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Abstract

Research on “Waste Utilization Tahu” (Whey Tahu) as growth media for producing nata Acetobacter xylinum has been carried out from February to March 2011 with the aim of utilizing wastewater tahu (whey tahu) as a growing medium nata-producing Acetobacter xylinum as a source food and sucrose concentration and pH optimal for the growth of bacteria A. xylinum in producing nata. Method used in this research is experiment by 9 combinations of treatments and 3 repeation. Design was using a “Completely Randomized with composed with factorial” the factors is sugar concentration and secondary factor is acidity level (pH) . The Result of research indicate that nata and thick and also different at all of given treatments. The interaction between sucrose and pH provide a response to differences in thickness of nata formed. The best treatment which is interaction of sugar 10% and pH 5 in thick forming nata that is and 0,43 cm. and rendemen nata 15.92%. Key words: Whey tahu, Acetobacter xylinum, and Nata.
Pemanfaatan Ampas Tahu Sebagai Bahan Baku Kecap Melalui Bioproses Rhizopus spp. Umrah Umrah; Nur Asrinawaty; Muhammad Alwi
Biocelebes Vol. 5 No. 2 (2011)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

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Abstract

Penelitian Pemanfaatan Ampas Tahu Sebagai Bahan Baku Kecap Melalui Bioproses R.hizopus spp. telah dilaksanakan pada bulan April-Juni 2011. Adapun tujuan dan penelitian ini yaitu untuk mengetahui pengaruh lama bioproses Rhizopus spp., terhadap kadar protein kecap ampas tahu dan kesesuaian dengan standar mutu kecap di Indonesia serta pengaruhnya terhadap aroma dan cita rasa kecap ampas tahu. Penelitian dilakukan di laboratorium Bioteknologi dan di Laboratorium Agroteknologi. Rancangan penelitian yang digunakan adalah Rancangan Acak Lengkap dengan perlakuan lama bioproses Rhizopus spp.: P0 (tanpa fermentasi), P1 (fermentasi satu han). P2 (fermentasi dau han) dan P3 (fermnetasi tiga han). Penentuan kadan protein dilakukan dengan menggunakan metode spektrofotometer. Hasil penelitian menunjukkan bahwa lama bioproses Rhizopus spp. berpengaruh nyata pada kadar protein kecap ampas tahu dengan perlakuan yang terbaik adalah P2 (fermentasi 2 han) sebesar 7,29%. Selama 3 hari proses fermentasi, kadar protein meningkat. Kadar protein tersebut telah sesuai dengan standar mutu kecap nomor satu di Indonesia. Lama bioproses Rhizopus spp. berpengaruh nyata pada aroma kecap ampas tahu tetapi tidak berpengaruh pada cita rasa kecap ampas tahu. Key words: Ampas tahu, kecap , Rhizopus spp., dan kadar protein.
Aplikasi Ilmu Biologi Dalam Pendidikan dan Pembangunan Berwawasan Lingkungan Berbasis Sumberdaya Alam Ramadhanil Ramadhanil; Elijonnahdi Elijonnahdi
Biocelebes Vol. 5 No. 2 (2011)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

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Abstract

Biology is one of knowledge belong to basic sciences that have important roles in education and sustainable development that environmental sound. Biological science is a basic for numeral applied sciences such as Medicine, Pharmacy, Agriculture including Fishery, Animal husbandry, Forestry and soon. There is a branch of biology which have been developed rapidly namely Ecology that close related with environmental problem or sciences that study on the relationship between organism and their environment or interaction among environmental factors at a numerous ecosystem type such teresterial, fresh water, marine, forest and soon. Ecology is the study that may explain the cause of the occurrence of various phenomena and environmental issues that occur on Earth, such as floods, drought, landslides, the "algae blooming”, "silent spring", the development of infectious diseases, emergence of strange diseases like cancer caused by xenobiotics compounds, global warming, acid rain, destruction of biodiversity, etc. Key words: Biology, environmental sound development , ecology, natural resources.
Uji Keefektivan Formula Trichoderma sp. Sediaan Tablet Sebagai Dekompuser Limbah Organik Ampas Sagu Menjadi Biokompos Umrah Umrah; Muhammad Alwi; Muh. Arsal N. Maddo
Biocelebes Vol. 5 No. 2 (2011)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

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Abstract

Research entitle of “Bioactive compost from sago waste and chicken manure through bioprocess using Trichoderma sp.” have been conducted during March and July 2011. This research have been done in Biotechnology Laboratory, Science Fakulty of Tadulako University. This aims of this study are to produce bioactive compost from waste of sago pulp and chicken manure through bioprocess Trichoderma sp., also to determine the optimum dose of inoculums of Trichoderma sp.. This study was done experimentally and it was based on a completely randomized design. Result of this study showed that P2 (substrate + 2 tablets inoculum/kg substrate) was the best treatment. Key words: Bioactive compost , sago waste, chicken manure, Trichoderma sp.
Formulasi Media Tumbuh Acetobacter xylinum Dari Bahan Limbah Cair Tempe dan Air Kelapa Untuk Produksi Nata De Soyacoco Muhammad Alwi; Andi Lindhemuthianingrum; Umrah Umrah
Biocelebes Vol. 5 No. 2 (2011)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

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Abstract

The impact of tempeh liquid-waste (Limbah Cair Tempe, LCT) as Contaminant has become a serious environmental problem. This study was design as an alternative problem solving related to that issue. Combination of tempeh liquid-waste and coconut water (Air Kelapa, AK) can be utilized as a medium of nata de soyacoco production. This research was aimed to obtain the best medium formulation for Acetobacter xylinum in order to produce the bacterial cellulose. This experiment was arranged in completely randomized design with 6 treatments and 3 replications. The treatments were P0 (LCT 0% + AK 0%), P1 (LCT 0% + AK 100%), P2 (LCT 25% + AK 75%), P3 (LCT 50% + AK 50%), P4 (LCT 75% + AK 25%), and P5 (LCT 100% + AK 0%). Parameters observed in this experiment were the days appear of nata, thickness, fresh weight, rendement and texture of nata which tested organolepticly. The best medium formulation for nata de soyacoco production was P4 (LCT 75% + AK 25%), which resulted 1.04 cm thickness, 139.48 gram fresh weight, 42.27% rendement and 1.7 of texture value. Key words: tempeh liquid water, coconut water, Acetobacter xylinum.

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