The Effectivity of Bacteria Isolated From of Liquid Waste Palm Oil Plantation on Ganoderma Boninense

Ganoderma boninense is one of the main pathogenic fungus in oil palm plantations. Generally, these pathogen cause root rot (basal stem rot). Biological control that has been widely used reduce the infection is using bacteria. Liquid waste palm oil has potential to produce bacteria that is able to degrade Ganoderma boninense that causes root rot in oil palm. Liquid waste were obtained from Muaro Sabak Regency Jambi Province. Bacteri were isolated and cultivated in nutrient agar medium, characterized and identified for antagonistic test against G. boninense. Results showed that 16 bacterial isolates were identified, among of them are able to inhibit Ganoderma boninense

ISOLASI DAN IDENTIFIKASI Shigella sp. PENYEBAB DIARE PADA BALITA

Diarrhea is the highest cause of death for toddlers. This study aims to isolate and identify the bacteria Shigella sp. causes of diarrhea in toddlers. Diarrhea samples were obtained from RSIA Annisa, Jambi City then isolation was carried out at the Biotechnology and Engineering Laboratory of the Faculty of Science and Technology, Jambi University using SSA media and dilution and biochemical tests were carried out. The results of bacterial isolates were characterized and obtained by Salmonella sp. isolates. With the characteristic of black colonies, capable produce H2S gas and can ferment sugar

ANALISIS KEPUASAN PENGGUNA APLIKASI DANA MENGGUNAKAN METODE TAM DAN EUCS

FITRATUL AINI (2023) : ANALISIS KEPUASAN PENGGUNA APLIKASI DANA MENGGUNAKAN METODE TAM DAN EUCS The DANA application is a payment system service that can be used via a smartphone, which can be in the form of fund transfers, electronic wallets, electronic money and other supporting services. User satisfaction with the application is very important, because it can be used as an assessment material for improving the service quality of the application. By combining two methods, namely the Technology Acceptance Model (TAM) which contains the variables Perceived Usefulness, Perceived Ease of Use and Attitude Toward Using and End User Computing Satisfaction (EUCS) which contains the variables Content, Accuracy, Format, Ease of Use and Timeliness to measure application user satisfaction DANA is the aim of this research. The technique that will be used to collect data is by distributing questionnaires to DANA application users. Through lameshow calculations, there were 100 respondents in this study. Based on the results of the analysis carried out, there are 6 hypotheses that are accepted, namely Perceived Usefulness, Content, Accuracy, Format, Ease of Use and Attitude Toward Using and 2 hypotheses are rejected, namely Perceived Ease of Use and Timeliness. The results obtained through SEM analysis are classified as good with an R-Square correlation value of 75.2% for user satisfaction variables. Keywords− TAM, EUCS, SmartPLS, DANA Application, User Satisfactio

Antioxidant Activity of Nipah Endophytic Fungi (Nypha fruticans Wurmb) from Tanjung Jabung Timur Jambi

Nipah or Nypa fruticans Wurmb is a member of the Palmae tribe that lives in the Mangrove ecosystem and is known to have rich bioactive sources, one of which is antioxidants. The ability of N. fruticans as an antioxidant is also possible for endophytes associated with N. fruticans. This study aims to obtain endophytes that live in N. fruticans leaf tissue and find out their ability as antioxidant agents using synthetic free radicals 2.2 diphenil-1-pikrilhidrazil (DPPH). Samples taken at Nipah Panjang Tanjung Jabung Timur, Isolation and production were carried out at the Jambi University Faculty of Science and Technology Engineering and Biotechnology Laboratory, absorbance measurements using UV-VIS at λ 517 nm at the Jambi University CRC. The antioxidant activity of isolates was shown from the value of Inhibitor Concentration (IC50) which caused 50% loss of DPPH free radicals. From the results it was obtained that the six isolates (DN01, DN02, DN02, DN03, DN04, DN05, and DN06) value the antioxidant activity of endophytic extracts lower than vitamin C activity and still classified as weak. Even though endophytic Nypa fruticans are very weak, N. fruticans endophytic in all treatment concentrations still have the ability as antioxidants and optimization methods are needed to get good antioxidant values.    Keywords: Mangrove, Nypa fruticans Wurmb, endophytes, antioxidants, DPPHNypa fruticans Wurmb is a member of the Palmae tribe that lives in the Mangrove ecosystem and is known to have rich bioactive sources, such as antioxidants. The ability of N. fruticans as an antioxidant may also be owned by endophytes associated with N. fruticans. This study aims to obtain endophytes that live in the tissue of the leaves of N. fruticans and find out its ability as an antioxidant agent using synthetic free radicals 2,2 diphenil-1-picrylhydrazyl (DPPH). Samples were taken at Nipah Panjang Tanjung Jabung Timur, isolation and production were carried out at the Engineering and Biotechnology Laboratory of the Faculty of Science and Technology the University of Jambi, absorbance measurements using UV-VIS at λ 517 nm were carried out at CCRC Jambi University. The antioxidant activity of isolates is shown from the inhibitory concentration (IC50) which causes the loss of 50% of DPPH free radicals. From the results obtained that the six isolates (DN01, DN02, DN02, DN03, DN04, DN05, and DN06) have antioxidant activity values ​​of endophytic extracts that are lower than vitamin C activity and are still relatively weak. Even though the antioxidant activity of N. fruticans is classified as very weak, but at all concentrations the treatment of the isolate has the ability as an antioxidant and method optimization is needed in order to obtain a good antioxidant valu

The Potention of Nipah Fiber (Nypa fruticans Wurmb.) in The Production of Nata Fruticans Using Soybean Sprouts as a Source of Nitrogen

Nypa is a mangrove plant that acts as a food source, such as nata. Research has shown that nipah plant waste, such as frond fibers and nipah fruit skin fibers, can be used as a raw material in making nata fruticans. The purpose of this study was to determine the potential of nipah fiber (Nypa fruticans Wurmb.) in nata production using soybean sprouts as a nitrogen source. The samples of nipah fiber (Nypa fruticans) used were leaves (DN), midrib (PN) and fruit skin (KB), taken in the Kuala Tungkal area, West Tanjung Jabung Regency, Jambi Province. This research method includes making the mother solution, making nata starter, and producing nata sheet by using soybean as a source of nitrogen with a concentration of 5%, 10% and 15% and ZA as a control. The results of this study indicate that the best volume and thickness of nata fruticans can be seen from the midrib substrate with a concentration of 10% soybean sprouts. The yields produced for all treatments were still lower compared to controls. Meanwhile, the water content of all treatments was better than the control. The best quality of Nata Fruticans based on thickness, yield and average moisture content was generally obtained from the substrate from the leaf midrib fibers with a concentration of 10% soybean sproutsNipah (Nypa fruticans) merupakan salah satu tumbuhan mangrove yang berperan sebagai sumber pangan dan energi. Telah diteliti bahwa limbah tanaman nipah yang khususnya serat pelepah dan serat kulit buah nipah dapat dimanfaatkan lebih lanjut sebagai bahan baku untuk pembuatan nata fruticans. Selain sebagai substrat nata fruticans, serat juga memiliki manfaat seperti mengontrol bobot badan atau obesitas, menanggulangi penyakit diabetes, mencegah gangguan gastrointestinal, mengurangi tingkat kolesterol darah dan penyakit kardiovaskuler. Penelitian ini bertujuan untuk mengetahui potensi serat nipah (Nypa fruticans Wurmb.) dalam produksi nata fruticans dan untuk mengetahui serat nipah yang manakah yang lebih bagus digunakan dalam produksi nata fruticans. Serat nipah (Nypa fruticans) yang berbeda berupa kulit buah, daun, dan pelepah diambil di daerah Kuala Tungkal Kabupaten Tanjung Jabung Barat, Provinsi Jambi. Produksi nata fruticans diberi perlakuan kacang kedelai dan menggunakan ZA sebagai kontrol. Hasil Penelitian ini menunjukkan volume nata frutican yang terbentuk dari serat nipah yang berbeda dengan perlakuan sumber nitrogen kecambah kacang kedele lebih baik dibandingkan kontrol pada konsentrasi 15% dan/atau 10%. Ketebalan nata fruticans yang terbaik adalah 6,25 mm yang terlihat pada sumber serat daun nipah dengan konsentrasi kecambah kedele 10%. Sedangkan rendemen yang terbentuk pada kontrol lebih banyak dibandingkan perlakuan yang diberikan kecambah kedele hampir pada semua sumber serat kecuali rendemen yang terbentuk dari sumber serat kulit buah

Isolation of Cellulolytic Bacteria from the Peat Protected Forest Area in Sungai Buluh, East Tanjung Jabung Jambi

One of the largest composition in peatlands is Cellulose. It can be degraded by cellulase enzymes. Sungai Buluh Peatland is one of the large and protected peatlands in Jambi Province. This land can be the main habitat for cellulolytic bacteria. Peatlands cellulolytic bacteria have great potential as biocontrol agents for plant pathogenic fungi. This study aimed to obtain cellulolytic soil bacteria from Sungai Buluh Tanjung Jabung Peat Protection Forest, in the East Tanjung Jabung, Jambi, which causes stem rot disease of oil palms. This research was carried out in several stages. Firstly, soil samples were collected from the Sungai Buluh Protected Forest, East Tanjung Jabung Jambi. Then the bacteria were selected on Carboxy Methyl Cellulose (CMC) selective media and the quantitative cellulolytic activities were measured based on clear zones that formed on CMC media. The results showed that 25 isolates of cellulolytic potential bacteria were obtained from the Sungai Buluh Peat Protected Forest area, 8 of them had cellulolytic activity range from 0.87 to 6.70One of the largest composition in peatlands is Cellulose. It can be degraded by cellulase enzymes. Sungai Buluh Peatland is one of the large and protected peatlands in Jambi Province. This land can be the main habitat for cellulolytic bacteria. Peatlands cellulolytic bacteria have great potential as biocontrol agents for plant pathogenic fungi. This study aimed to obtain cellulolytic soil bacteria from Sungai Buluh Tanjung Jabung Peat Protection Forest, in the East Tanjung Jabung, Jambi, which causes stem rot disease of oil palms. This research was carried out in several stages. Firstly, soil samples were collected from the Sungai Buluh Protected Forest, East Tanjung Jabung Jambi. Then the bacteria were selected on Carboxy Methyl Cellulose (CMC) selective media and the quantitative cellulolytic activities were measured based on clear zones that formed on CMC media. The results showed that 25 isolates of cellulolytic potential bacteria were obtained from the Sungai Buluh Peat Protected Forest area, 8 of them had cellulolytic activity range from 0.87 to 6.7

Quality of Nata Fruticans on Various Concentration Monascus purpureus as Natural Dye

Monascus purpureus is a mold species capable of producing secondary metabolites, such as pigments used as natural colourants in foods, such as nata fruticans. Using natural colourants on nata is an alternative to replacing synthetic colours in food. This study aims to know the effect of colour produced and the best concentration of M. purpureus on nata fruticans. This research method includes making data fruticans sheet using water fruit of Nypa fruticans, making spores suspension of M.purpureus, and fermenting nata fruticans by using Monascus spores suspension with various concentrations of 10%, 20%, and 30%. Monascus-nata fruticans complex was dried and extracted by methanol to determine the colour intensity of M.purpureus pigment production and absorbed by Monascus-nata fruticans complex. The 30% concentration of M. purpureus was the best concentration based on colour, texture, aroma, and colour intensity

Pengaruh Pengendalian Intern, Pemanfaatan Teknologi Informasi, dan Kualitas Sumber Daya Manusia terhadap Keterandalan Pelaporan Keuangan Daerah (Studi pada Satuan Kerja Perangkat Daerah Kota Payakumbuh)

This study aimed to examine the influence of the internal control, information technology utilization, and quality of human resources on the local government financial reporting reability. This study was conducted at SKPD of Payakumbuh city. The population in this study were employed who worked in the SKPD Payakumbuh city (25 government agencies). The sampling method used in this study is purposive sampling method. The respondent in this study is the head of SKPD, the head of financial, treasurer of SKPD and financial staff is a side direct related in the financial management area on government of Payakumbuh city. The sample used in this study were 75 respondents. The hypotheses then tested is multiple linear regression analysis by using SPSS version 20.0.The result of this study indicated that internal control and quality of human resources tend to have effect on local government financial reporting reability. While information technology utilization has no effect on local govermeny financial reporting reability. The magnitude of the effect (R2) internal control, information technology utilization and quality of human resources on the local government financial reporting reability was 35,9%. While the remaining 64,1% is influenced by other independent variabel that are not observed in this study.Keywords: Reporting, Control, Information Technology, and Human Resources

PERBANDINGAN HASIL BELAJAR MENGGUNAKAN MODEL PEMBELAJARAN KOOPERATIF TIPETWO STAY TWOSTRAY (TSTS) DENGAN DEMONSTRASIUNTUK MENINGKATKAN HASIL BELAJARBIOLOGI SISWA KELAS VII SMPADABIYAHPALEMBANG

The result comparison of Biology student by using cooperative learning type Two Stay Two Stray with Demonstration method (an experiment in Junior High Scool of Adabiyah Palembang. The purpose of this research is to find out the result of comparison between the students that learn by cooperative learning  typeTwo Stay Two Stray with Demonstration method. This research was done in junior high scool of Adabiyah Palembang in VII.1 grade which consists of 35 students. The data of learning results was taken by using the test instrument of learning result (24 item) and the observation sheets of the implemention of the t-test with 5% significant percentage. It can be seen fron the result of the posttest, t count table (2,96> 2,00). It means Ho rejected and Ha is accepted. So it can be concluded that there is a difference between the Biology learning result of student who has been taught with the cooperative learning approach type Two Stay Two Stray and the Demonstration method with the mean from learning Two Stay Two Stray are 76,00 mean while, in the Demonstration method is only 65,43 so the result of the class which uses Two Stay Two Stray learning method is better than Demonstration method

PENGARUH KADAR THIAMINE (VITAMIN B1) TERHADAP PERTUMBUHAN JAMUR TIRAM PUTIH (Pleurotus ostreatus)

Indonesia is one of the centers of biodiversity in particular areas of food, which one of them is from a species of white oyster mushroom (Pleurotus ostreatus). To improve the effectiveness and efficiency of production time associated with fulfilling the request of the oyster mushroom (Pleurotus ostreatus) is high in the market, the utilization of thiamine (vitamin B1) need to be investigated. This study aims to determine the levels of thiamine (vitamin B1), which is best used in the growth of oyster mushroom (Pleurotus ostreatus). This study used quantitative experiments and research design complete randomized design with four treatments and six times as many repetitions as well as research along with the observations made on 21 June to 11 July 2015 (in 20 days) in the House of White Oyster Mushroom Production Nurseries, Ogan Komering Ulu Timur (OKUT). As for the levels of thiamine (vitamin B1) used in this study use the unit ppm (parts per million), namely: B0 (control), B1 (0.1 ppm), B2 (0.2 ppm), B3 (0.3 ppm). Parameters measured were the growth of oyster mushroom (Pleurotus ostreatus) which include emerging buds time (day), the time of harvest (days), weight (grams), wide hood (cm), and stem length (cm). Conclusions from the study and based on data analysis (ANOVA) and F test showed that administration of thiamine (vitamin B1) does not provide an effective influence on the growth of oyster mushroom (Pleurotus ostreatus)