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INDONESIA
BIO-SITE |BIOLOGI Sains Terapan
Published by Universitas Jambi
ISSN : -     EISSN : 25026178     DOI : -
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol. 2 No. 1 (2016): Bio-Site" : 6 Documents clear
Bioaktivitas Ekstrak N Heksan Umbi Ubi Jalar AC Kuningan (Ipomoea batatas) Dalam Menghambat Pertumbuhan Beberapa Patogen Dan Pemanfaatannya Untuk Fortifikasi Makanan Ilah Nurlaelah
BIO-SITE |Biologi dan Sains Terapan Vol. 2 No. 1 (2016): Bio-Site
Publisher : Biology Department, Faculty of Science and Technology, Univeristas Jambi, Indonesia

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Abstract

AC kuningan sweet potato (Ipomea batatas) is one of the endemic plants in Kuningan district which became the biggest commodity. Sweet potato tuber is a food rich in vitamins and minerals that include beta carotene, polyphenols, vitamin B1, vitamin C, calcium, phosphorus, iron, potassium and sodium. This study aimed to obtain the best concentration of n-hexane extract of AC Kuningan sweet potato tubers (Ipomea batatas) in inhibiting the growth of some pathogens from the type of potato AC red and white AC Kuningan tested against microbes in the form of selected bacteria comprising E. coli, Bacillus sp and Staphylococcus sp collection of FKIP UNIKU biology laboratory, determined the content of polyphenols and antioxidant activity as well as the potential for the best formula in the sweet potato flour fortified biscuits. The method used was experimental laboratory. Data on antibacterial bioactivity was measured by paper disc diffusion method, analysed chemical compounds through spectrophotometer polyphenols and antioxidant activity with DPPH method. Analysis of the data was used for testing antibacterial that was ANOVA test. Determining the level of preference for the value of biscuit products was using hedonic test and Freadment. The results showed that the highest inhibitory potency extract of n-hexane potato red AC shown at a concentration of 2000 ppm n-hexane while to extract the white yam AC shown at a concentration of 500 ppm. Both types of potato AC Brass had fairly high polyphenol content for sweet potatoes 356.78 ± 19.25 ppm and white potatoes 206.72 ± 6.90 ppm and antioxidant activity with IC50 values are shown respectively in figures 1759.89 ± 1793.60 ± 7.18 ppm and 25.41 ppm was beneficial to fight free radicals. Test formulation 1 ranking indicated that it wasmore desirable biscuits by panelists in terms of taste, texture, color and aroma. It showed sweet potato flour helpful for fortifying foods that had nutritional value and better flavor.
Efektivitas Pelaksanaan Rencana Pengelolaan Lingkungan dan Rencana Pemantauan Lingkungan (RKL-RPL) Pertambangan Batubara PT. Adaro Indonesia di Kabupaten Tabalong, Provinsi Kalimantan Selatan Iid Moh Abdul Wahid; Budhi Gunawan; Teguh Husodo
BIO-SITE |Biologi dan Sains Terapan Vol. 2 No. 1 (2016): Bio-Site
Publisher : Biology Department, Faculty of Science and Technology, Univeristas Jambi, Indonesia

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Abstract

Environmental Impact Assessment (EIA) is a planning and preventive document. This is one of the environmental protection and management efforts in order to prevent environmental damage. In Tabalong there are more than 30 business agent and / or activities that have made EIA mining, 24 of which are mining operations. PT Adaro Indonesia is the largest company in Tabalong with a concession area of 35,536 hectares and a production capacity of 80 million tons / year and has had environmental documents (EIA) and Environmental Permit. During this time PT. Adaro Indonesia, in operation, has been carrying out management and environmental monitoring (RKL-RPL) in the area of mining, but on the other hand the number of public complaints due to alleged pollution and / or destruction of the environment by the activity of PT. Adaro Indonesia remains the case that many questioned the implementation of its EIA (RKL-RPL). This research aims to study the effectiveness and the factors that affect the implementation of the EIA (RKL-RPL) coal mining PT. Adaro Indonesia. This research was conducted using qualitative-quantitative approach (mix method) with concurrent triangulation strategy model. The research data obtained through observation, interviews, questionnaires and review of the literature. The results showed that the implementation of the RKL-RPL PT. Adaro Indonesia is said to be effective with each aspect of obedience (compliance) 95%, institutional 91.67%, Monitoring (supervision) 92.86% and handling public complaints66.67%. The factors that influence the effectiveness of the implementation of the EIA PT. Adaro Indonesia is communication and coordination, resources (staff, skills, information, authority, and facilities), regulation and government policy, funding, enforcement and legal certainty (incentives / disincentives), and bureaucratic institutional structure.
Identifikasi Bakteri Tanah di Kebun Botani Biologi FKIP Universitas Jambi Okti Chairani; Retni S Budiarti; Winda Dwi Kartika
BIO-SITE |Biologi dan Sains Terapan Vol. 2 No. 1 (2016): Bio-Site
Publisher : Biology Department, Faculty of Science and Technology, Univeristas Jambi, Indonesia

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Abstract

Soil bacteria has important role in the life cycle of an ecosystem. Their life activities affect the characteristics of the biologic, physical, and chemical environment. Biology study program of education faculty in Jambi University has a plot of land made into a botanical garden. Thus, this botanical garden needs some information about the fertility of the land used, and one of them is to know the type of bacteria in its soil as a biological factor. The purpose of this research is to determine the genus of bacteria found in soil of Biology Botanical Garden at Education Faculty (FKIP) of Jambi University, Mendalo. This research was conducted from April to July of 2015, in both biology botanical garden and biology laboratory at Education Faculty of Jambi University. The kind of this research is explorative descriptive. Soil sample was collected by using 4 squared plots measuring 12 m x 12 m. In each plot made 5 subplots and soil samples was taken from 3 points of each subplot by random sampling. The identification was done by observing colony morphology, gram staining, and biochemical tests. The result of this research was gained gained 9 genus of bacteria, they were Paracoccus, Nitrosococcus, Bacillus, Cellulomonas, Acinetobacter, Micrococcus, Pseudomonas, Azotobacter, and Zymomonas. It is suggested to further researchers to study about other microorganisms in the soil Biology Botanical Garden that have role in maintaining and improving soil fertility there.
Isolasi dan Identifikasi Jamur Potensial Pendegradasi Selulosa pada Limbah Pelepah Kelapa Sawit D\di Daerah Kabupaten Rokan Hulu, Riau Filza Yulina Ade
BIO-SITE |Biologi dan Sains Terapan Vol. 2 No. 1 (2016): Bio-Site
Publisher : Biology Department, Faculty of Science and Technology, Univeristas Jambi, Indonesia

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Abstract

In plant there are the cellulose component composition pretty much. Usually there are some microorganisms that can degrade cellulose. A research about isolation and identification of fungus degradation of cellulose on waste palm fronds, had been done using purposive sampling method. This research aimed to look the type of fungus species from waste palm fronds which have the potential to degrade of cellulose and to know can be able in cellulose degradation. Result showed that species of fungus have cellulose degradation potential. Kinds of fungus isolate which founded are Aspergillus niger, Aspergillus oyzae and Rhizopus oryzae. All the fungus isolate have good and big potential in cellulose degradation with afforded to starch degrade at medium to fast rate.
Rotifera pada Area Bekas Tambang Emas di Kabupaten Sawahlunto Sijunjung Silvi Susanti; Abizar Abizar
BIO-SITE |Biologi dan Sains Terapan Vol. 2 No. 1 (2016): Bio-Site
Publisher : Biology Department, Faculty of Science and Technology, Univeristas Jambi, Indonesia

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Abstract

Rotifers is one of many zooplankton commonly found in freshwater. As the heterotrophic animal rotifers were able to recycle organic material so that the rotifers could live in mined areas or kolong. An abundance of rotifers and chemical physics factor measurements taken at six stations using the method descriptive survey conducted to determine the relationship with kolong’s age. The results showed that the station over the age of 12 months have been located in waters climactic conditions.
Studi Zooplankton di Danau Teluk Kota Jambi Mahya Ihsan; Ummi Mardhiah Batubara; Hesti Riany; Ika Oksi Susilawati; Teguh Sumarsono
BIO-SITE |Biologi dan Sains Terapan Vol. 2 No. 1 (2016): Bio-Site
Publisher : Biology Department, Faculty of Science and Technology, Univeristas Jambi, Indonesia

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Abstract

Lake Teluk natural potential is very rich in zooplankton. However, the there are many untapped potential, so that appropriate unknown environmental factors to support the growth, reproduction, and abundance of zooplankton that is potential as fish food can be cultivated properly. Therefore, there needs to be research related to environmental factors and abundance of zooplankton in Lake Teluk Jambi city in order to see the natural potential of fish forage in the area. This study was conducted at three stations in the Lake Teluk Jambi and Biotechnology Laboratory, Faculty of Science and Technology, the Jambi University. The method used in this research was the survery and analysis. Measured parameters were factors abundance of zooplankton and the physical and chemical environmental factors. The identification results obtained three phyla of zooplankton (protozoa, rotifers and sponges) and 14 genuses that were Platytrichotus, Centropyxis,Perispira, Corythion, Acropisthium, Turania, Trinema, Euglypha, Enteroplea, Proalinopsis, Pedipartia, Trocospheera, Filinia, Meyenia. Analysis of physical and chemical environmental factors showed solubility values (DO) range 4,8 - 6,8 mg/L, the water temperature ranges from 29-30 °C and oxygen consumption (BOD) in the range of 3,7 to 6,6 mg/L relatively optimal for the growth of zooplankton, but have not found any zooplankton that have the potential to be cultivated as a natural fish feed.

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