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Brigitta Laksmi Paramita
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Fakultas Teknobiologi, Universitas Atma Jaya Yogyakarta, Jalan Babarsari No. 44, Sleman, Yogyakarta 55281, Indonesia
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Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati
Published by Universitas Atma Jaya Yogyakarta
ISSN : 25273221     EISSN : 2527323X     DOI : doi.org/10.24002/biota
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati merupakan jurnal ilmiah yang memuat hasil-hasil penelitian, kajian-kajian pustaka dan berita-berita terbaru tentang ilmu dan teknologi kehayatian (biologi, bioteknologi dan bidang ilmu yang terkait). Biota terbit pertama kali bulan Juli 1995 dengan ISSN 0853-8670. Biota terbit tiga nomor dalam satu tahun (Februari, Juni, dan Oktober).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 1,193 Documents
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Pengaruh Kombinasi Tapioka dan Tepung Kedelai terhadap Kualitas Sosis Ikan Kakap Putih (Lates calcarifer Bloch) Agatha, Prima Novi; Purwijantiningsih, Ekawati; Pranata, F. Sinung
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 13, No 1 (2008): February 2008
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (153.612 KB) | DOI: 10.24002/biota.v13i1.2620

Abstract

Sausage is food product made from mix ture of minced meat (contain meat more than 75%), flour or starch with or without additional spices, and other allowed food additive. Sausage made from meat usually has a higher content of fat, which in many cases usually caused serious health problem. To reduce the fat content in sausages, the researchers try to combine cassava starch with soybean flour. Soybean flour was used in combination with cassava starch because it reduced of cholesterol in blood, reduced oil absorption while frying. Soybean flour is a kind of food material that has higher content of protein but low fat, and it has complete essential amino acids. This research was conducted to find out the influence of cassava starch and soybean flour combinations to produce good quality of seabass sausages. In this experiment, cassava starch and soybean flour combination were as follows 90:10; 80:20; and 70:30. The result showed that the combination of cassava starch with soybean flour increase water content, ash content, protein content and fat content but elasticity and carbohydrate content were decrease.
Analisis Matagenom Komunitas Bakteri Tempe dengan Teknik Terminal Restriction Fragment Length Polymorphism (T-RFLP) Barus, Tati; Griselda, Griselda; Suwanto, Antonius; Agustina, Tan Watumesa
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 15, No 2 (2010): June 2010
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.198 KB) | DOI: 10.24002/biota.v15i2.2726

Abstract

Bacteria have an important role in tempe fermentation in Indonesia, aside of Rhizopus oligosporus as the dominant microbe. In this study the molecular aspect of bacterial diversity in tempe were analyzed using a fingerprinting technique, Terminal-Restriction Fragment Length Polymorphism (T-RFLP). This study was aimed to examine the diversity of bacterial community during tempe making. Bacterial diversity analysis was conducted in the first hour and the thirteenth hour after the soybean soaked while the fresh tempe was analysed at one to two hours after the fermentation ended. T-RFLP can be used to describe the diversity of bacterial community during the fermentation of tempe. T-RFLP profiles revealed the presence of 24, 30 and 33 bacterial phylotypes in the first hour and the thirteenth hour after the soybean soaked as well as in fresh tempe samples. The phylotypes were dominated by unculturable bacteria group. Only several bacterial phylotypes were consistenly identified since the beginning to the end of fermentation, while most of them were only identified at certain phases along with the environmental changes (i.e: pH) that occured during the fermentation process. One of the consistently identified groups belongs to Bacillus genera.
High Prevalence Level of Avian Malaria in the Wild Population of the Java Sparrow Yuda, Pramana
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 14, No 3 (2009): October 2009
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (226.109 KB) | DOI: 10.24002/biota.v14i3.2583

Abstract

Java sparrow (Padda oryzativa) is anendemic bird to Java and Bali. It used to be avery common bird, but due to over exploitationthe bird has declined and been classified asVulnerable (BirdLife International, 2001). InIndonesia bird-keeping is a popular pastime,with deep cultural roots (Jepson and Ladle,2005). It is widely assumed that the hobbynegatively affects wild populations of commonas well as threatened birds (Jepson and Ladle,2005; Nash, 1994), such as Java sparrow.
Pengaruh Umur Panen Terhadap Kandungan Zat Gizi Biji Dua Varietas Kacang Tanah (Arachis hypogaea L.) Hertiningsih, Astuti
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 8, No 2 (2003): June 2003
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (266.013 KB) | DOI: 10.24002/biota.v8i2.2890

Abstract

The objectives of the research is to study  the influence of harvest time on seed nutrition content of two varieties of peanut. The varieties of peanust are Gajah and Local varieties. The harvest was divided into eight time differences, as follow: 26, 31, 36, 41, 46, 51, 56  and 61 days after flowering. The seed nutrition was measured as carbohydrate, protein,  lipid and water content. The data were analyzed by Anova and DMRT, and quadratic regression.  The research showed that nutrition content of seed is influenced by the time of harvest.
Asplenium nidus L. pada Beberapa Pohon Inang di Kawasan Taman Wisata Alam Bukit Kelam, Kabupaten Sintang, Kalimantan Barat Mudiana, Deden
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 13, No 2 (2008): June 2008
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (263.688 KB) | DOI: 10.24002/biota.v13i2.2674

Abstract

Asplenium nidus L. is one of epiphyte fern that commonly known by most people. This research aims to observe distribution pattern of Asplenium nidus that growth on host trees at Taman Wisata Alam Bukit Kelam. One hundred sixty Asplenium nidus have been observed grow on 66 individual host trees. Most of them grow on zone 4 (midle part of branches of three) on the host trees. Surface of bark on host trees and form of branches are environment factors that influence the growth of Asplenium nidus.
Pengaruh Perbedaan Jarak Tanam terhadap Pertumbuhan Tiga Varietas Kedelai (Baluran, Bromo, dan Galunggung) Djukri, Djukri
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 10, No 3 (2005): October 2005
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (175.066 KB) | DOI: 10.24002/biota.v10i3.2878

Abstract

The objective of the research was to investigate the effect of sunlight radiation distribution in canopy on soybean plants biomass at different planting distances. This research was done experimentally using the Block Design. The independent variables were the soybean varieties and planting distance. The varieties used were Baluran, Bromo, and Galunggung and the planting distance used was 15x15 cm2 and 25x25 cm2 as blocks with 10 replications. The dependent variables were sunlight intensity and the plants biomass. The result of the research indicated that after 40 planting days, the sunlight intensity in the canopy, at soybean varieties factors was significant (p<0.05), and the planting distance was significant too. The plant biomass indicated that varieties factors had a significant effect (p<0.05), but the planting distance factors were not significant (p>0.05).
Kemampuan Mikroorganisme Efektif dalam Mengolah Limbah Cair Pabrik Spiritus Lestari, H. N.; Atmodjo, P. Kianto; Sidharta, B. R.
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 13, No 3 (2008): October 2008
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (60.183 KB) | DOI: 10.24002/biota.v13i3.2575

Abstract

Proses produksi suatu industri senantiasa menghasilkan limbah yang harus diolah dengan baik agar tidak membahayakan lingkungan. Pabrik spiritus “X” di Yogyakarta telah mengolah limbah cairnya secara fikokimiawi, namun hasilnya masih kurang baik. Karakteristik limbah pabrik ini adalah berbentuk cair, berwarna hitam, bau, keruh, kandungan BOD 2.978 mg/l dan COD 103.433 mg l, sehingga nilainya sangat jauh di atas baku mutu (Kepmen: 03/men LH/I/1998). Untuk itu perlu dilakukan usaha-usaha mengolah lebih lanjut agar mutu limbah semakin mendekati baku mutu. Salah satu usahanya adalah mengolah lebih lanjut dengan metode biologi.
PENGARUH BAHAN ORGANIK DAN SUHU PENGERINGAN TERHADAP KETAHANAN HIDUP ASPERGILLUS NIGER DALAM PUPUK PELET BIO-FOSFAT Sastro, Yudi; Widianto, Donny; Prijambada, Irfan D.
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 12, No 2 (2007): June 2007
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (183.053 KB) | DOI: 10.24002/biota.v12i2.2667

Abstract

This research was aimed to investigate the effect of organic matter and drying temperature on Aspergillus niger survivability in the rock phosphate pellet fertilizer namely bio-phosphate. The research was arranged by a completely randomized design 3x3x6. Addition of the mixing of tapioca waste, rice bran, and starch (BOC) and the humic substance (BH) in the bio-phosphate, and its drying temperature (SP) were the treatments. Aspergillus niger inoculums survivability in the bio-phosphate was determined using plating methods. The result showed that the addition of BOC decreased amount of A. niger in the bio-phosphate up to 28.0%, while the BH increased the amount of A. niger up to 24.4%. The ideal drying temperature of bio-phosphate pellet fertilizer was 600C.
Analisis Vegetasi Beberapa Fragmen Hutan di Kabupaten Timor Tengah Utara Poleng, Aloisius; Witono, Joko R.
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 9, No 1 (2004): February 2004
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (364.247 KB) | DOI: 10.24002/biota.v9i1.2835

Abstract

The present  study aims to describe vegetation composition and structure of fragmented areas in Timor Tengah Utara. The study was carried out in three locations : the small forest of Soeb Mountain (L1), the medium forest of Ainiut-Loeram (L2), and the large  forest of Lapeom-Maubesi Mountain (L3). The data were collected using the quadrates method. Each transect is 0,52 ha and thirteen plots (20x20 m) was established. The results show that the number of trees species in the large forest is the highest followed by the medium and the small forests (L3>L2>L1); The tree density in the large forest is the highest, followed by the small and the medium forests (L3>L1>L2). However the highest tree basal area was recorded in the small forest, followed by the large and the medium forests (L1>L3>L2). The species of the highest importance value (IV) at three locations are Pterocarpus indicus Willd., Gossampinus malabarica (DC.) Merr., and Schleichera oleosa (Lour.) Oken.
Aktivitas Antimutagen Isoflavon Glikosida Hasil Transglikosilasi Enzimatik CGT-ase Bacillus macerans Sulistyo, Joko; Soeka, Yati Sudaryati
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 14, No 1 (2009): February 2009
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.276 KB) | DOI: 10.24002/biota.v14i1.2629

Abstract

It has been known that isoflavone have biological activities such as antioxidant, antibacteria, antimutagenesis, and anticancer. Isoflavone aglycone uses such as genistein, daidzein and glycitein are limited since they are unstable and uneasily to dissolve in water. Through enzymatic transglycosylation reaction, its stability and solubility could be improved. In this study, genistin (isoflavone glycoside) was synthesized from genistein (isoflavone aglycone) by application of transfer reaction using enzyme cyclodextrin glucanotransferase (CGT-ase) of Bacillus macerans. Identification of the product was determined by TLC with methanol: chloroform (1:3, v:v) as eluent. Rf value 0.75 of the synthesized product was close to the Rf value standard of authentic genistin glycoside. The synthesized genistin was furthermore assayed to determine its antimutagenesis activity according to the Ames methode on E. minimal glucose media had been precultured with a mutant strain of Salmonella thypimurium TA98. The tested bacterial strain was induced with aflatoksin B1 as mutagen which had been activated with a lever homogenate. The result showed that the solubility and some biological properties of the synthesized genistin were improved higher than that of genistein, while it was found to be lower than that of the commercial genistin.

Page 34 of 120 | Total Record : 1193

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