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INDONESIA
BERITA BIOLOGI
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 2,125 Documents
 89   90   91   92   93 
KANDUNGAN SENYAWA ALKALOIDA, TANIN SERTA NILAI NUTRISI BEBERAPA JENIS HIJAUAN YANG DIBERIKAN PADATERNAK DL PULAU TIMOR (THE CONTENTS OF ALKALOID, TANNIN AND ITS NUTRITIONAL- VALUES FROM SEVERAL BROWSE FED TO LIVESTOCK IN TIMOR ISLAND) Jamal, Yuliasri; Semiadi, Gono
BERITA BIOLOGI Vol 4, No 1 (1997)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i1.1288

Abstract

A study was conducted in determining the contents of alkaloid, tannin and nutritional Values from six browses fed to fattening cattle in Timor island. The samples Were gmelina (Gmelina arborea Roxb.),pates/lamtoro (Leucaena leucocephala [Lamk.J De Wit),daun kupu-kupu (Bauhinia malabarica Roxb.), gala-galaAuri (Sesbania grandiflora [Li Pers.l gamal (Gliriddia sep/um [lick] Steud.).and kabesak (Acacialeucoohloea Willd.).Samples were collected during wet and dry seasons.Results showed that total number of alkaloid compounds varied from 14 to 30.There was an increase in concentration for alkaloid and tannin from Wet to dry season, however the concentrations were low (< 1%).The increase in the concentrations between seasons Were ranged from 20% to 32096.Nutritional values of the browse during wet season were considered high, however there is a need in evaluating the nutritional values of the browses during dry season as well.
PENGARUH KMNO4 TERHADAP SIFAT FISIK DAN KANDUNGAN KIMIA SELAMA PEMASAKAN BUAH PISANG AMBON PANGGABEAN, G.; ROCHAENI, H.; VIVANINGDIAH, I.; CITROREKSOKO, P.
BERITA BIOLOGI Vol 3, No 7 (1987): (Supplement)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i7.1371

Abstract

G. PANGGABEAN, H. ROCHAENI, I. VIVANINGDIAH & P. CITROREKSOKO. 1987. The effect of KM11O4 on physical and chemical consituents during the ripening of "pisang ambon" Suppl. Berita Biologi 3 : 11 - 16.The experiments were conducted in order to study the effect of potassium permanganate (KMnO) on the physical characteristic and biochemical constituents of the pisang Ambon at difference stage of maturity such as 70, 80 and 90 days. The concentrations of the KMnO4 were 0, 75, 100 and 125 ppm.The parameters of the physical characteristic were the colour,moisture content and the firmness of the fruits.While the biochemical constituents were the reducing sugar, caroten and the vitamin C content.The results of the treatment indicated that the colour, moisture content and firmness almost similar to the fruits as the control. The reducing sugar fruits of the age 70 days with the treatment of KMnO4 75 ppm was higher than that of the fruits of the age 80 and 90 days.However, all the fruits which were treated with KMnO4 had no affect on the caroten content.Meanwhile,the vitamin C content of the treated fruits were lower than that of the fruits without treatment.The pH of ripening fruits were not significantly difference between treated and untreated fruits.
ANATOMI DAUN DAN STATUS KEDUDUKAN TAKSONOMI LUISIA LATIPETALA SULISTIARINI, DIAH
BERITA BIOLOGI Vol 3, No 4 (1986)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i4.1339

Abstract

DIAH SULlSTIARINI. 1986, Leaf anatomy and the taxonomy status of Luisia latipetala. Berita Biologi 3(4) : 143 - 145.- In the recent publications, Luisia latipetala J. J. S. has always been considered as a synonym of L. zollingeri Reichenb. f. Based on an investigation of the leaf anatomy of 12 herbarium specimens (position, frequency and size of the stomata, guard cell and epidermis arrangement, sclereid distribution and cutin layer countour) it is concluded that the two species should be regarded as separate species.
FERMENTASI BAHAN ONCOM BANDUNG SASTRAATMADJA, DUDI D.; SAONO, SUSONO
BERITA BIOLOGI Vol 2, No 9&10 (1984)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v2i9&10.1421

Abstract

Oncom teimasuk makanan yang harganya murah tetapi mengandung protein yang relatif tinggi. Di Jawa Barat makanan ini telah lama dikenal serta banyak dimakan. Pembuatannya dilakukan secaia tiadisional dengan menggunakan bahandasar bungkil kacang tanah dengan campuran onggok/ampas tapioka dan ampas tahu, atau bahan dasar ampas tahu dengan campuran onggok. Sampai saat ini belum banyak usaha yang dilakukan untuk mengetahui seluk beluk ilmiah produk ini, apalagi usaha terencana untuk meningkatkan mutu seita menyebarluaskan pemanfaatannya. Hal ini dapat disimpulkan dari terbatasnya pustaka yang ada (Dwidjoseputro et al. 1970, Van Veen et al. 1968, Steinkraus & Van Veen 1971, Muhilal et al. 1970; Slamet & Tarwotjo 1971; Saono et al. 1974).
KARAKTERISTIK GAMBUT RAWA PENING DAN POTENSINYA SEBAGAI BAHAN PEMBAWA MIKROBA Prihastuti, Prihastuti
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i3.640

Abstract

This is a descriptive analytical research to describe characteristic of peat soils of Rawa Pening (a natural lake in Central Java, Indonesia). The purpose of this study was to determine the potency of peat soils as a microbial carrier. The parameters observed were chemical properties (pH, levels of C, N, P, K and CEC) and biological properties (total of soil microbial population), as well as its amendments by sun drying,ovens drying and sterilization process by autoclaving (121oC, and 1.5 atm for 15 minutes). The results showed that the Rawa Pening peat soil content consisted of high organic C, medium-high N, low-medium P, high K and high CEC. Total of soil microbial population was quite high, but it was reduced by sun drying and autoclave sterilization. The population of soil microbial was pressured by oven drying, but the process makes it a low pH caused by cell lysis. The Rawa Pening peat soils had physical properties that were not easily changed, is also not prone to changes in pH during the process by sun drying and sterilization by autoclave. It was concluded that the Rawa Pening peat soils have a potential to be a microbial carrier, since it contained high organic matter, and relatively easy to process.
REGENERASI TANAMAN BELIMBING MELALUI KULTUR AKAR SECARA IN-VITRO Sukamto, L. Agus
BERITA BIOLOGI Vol 4, No 2&3 (1998)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v4i2&3.1278

Abstract

Star fruit(Averrhoa carambola L.)is considered originally from Indonesia. In-vitro propagation of star fruit- is a very few.Propagation of star fruit through leaf,seedling and cotyledon culture have succeeded but its propagation through root culture has not been reported.This experiment was carried out to know the responses of star fruit root culture.Roots of young seedling of star fruit grown in-vitro were cut and cultured on one-halfMurashige & Skoog (MS)medium with or without addition of1 mg/16-ben^ylaminopurine (BA).The response of explants were determined by age of the seedlings which young seedlings were more response than the old ones. Somatic embryogenesis occurred on explan star fruit roots after 9 weeks incubation. Explants produced little callus on excised roots andprofused multiple shoots on MS with addition of BA, whereas explants only produced a few shoots without any producing callus on medium MS without any addition ofBA. This indicated that star fruit can be propagated from its root which is a very rare success of the other plant regeneration from root culture.
SERANGGA-SERANGGA BERKEMAMPUAN MERUSAK PADA TANAMAN PEKARANGAN DI TELUKNAGA, CITEUREUP DAN PACET ATMOWIDJOJO, A.H.; ADISOEMARTO, S.; AMIR, M.
BERITA BIOLOGI Vol 3, No 2 (1985)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i2.1362

Abstract

ANITA H. ATMOWIDJOJO, S. ADISOEMARTO & M. AMIR. 1985. Potential insect pests on vegetations of home gardens in Teluknaga, Citeureup and Pacet. Berita Biologi 3 (2) : 55 - 65. A total of 60 species of insects were recorded associated with 78 species of plants in three research localities. However, not all of these species were distributed equally, either in space or time. Many were found specific on certain host plants for the localities. On the other hand, there were host plants that harboured specific insect pests. It was also found that the seriousness of damage was not related to the specificity (in either way). A serious pest on certain host was not necessarily a serious pest on other host plants.
KAJIAN ETNOBOTANI MASYARAKAT DAYAK DI DESA TAU LUMBIS, KABUPATEN NUNUKAN, PROPINSI KALIMANTAN UTARA, INDONESIA Royyani, Mohammad Fathi; Efendy, Oscar
BERITA BIOLOGI Vol 14, No 2 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v14i2.1852

Abstract

Ethnobotanical research on the utilization of plant species in Tau Lumbis village of North Kalimantan by Tagol and Akolod Dayaks ethnics has been conducted.Seventy seven species of plants have been recorded to be utilized by the people for various purposes from medicinal to magical-supranatural. Some literature reviews suggested that there was correlation of traditional knowledge and modern science in plant utilization by these ethnics.
FAUNA MOLUSKA DI PERAIRAN TEPI DANAU SINGKARAK SUMATERA BARAT KOMPOSISI DAN KEPADATAN JENISNYA MARWOTO, RISTIYANTI M.; DJAJASASMITA, MACHFUDZ
BERITA BIOLOGI Vol 3, No 6 (1986)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v3i6.1329

Abstract

RISTIYANTI. M. MARWOTO & M. DJAJASASMITA. 1986. Competition and population density of the molhiscan fauna in Lake Singkarak, West Sumatera. Berita Biologi 3(6): 293 - 296.A study of the competition and density of the molluscan fauna of coastal water in Lake Singkarak, West Sumatera, has been carried out in October 1982. The molluscs collection consisted of 4 thiarids (Brotia costula, Melanoides granifera, M. tuberculata and Thiara scabra), 2 planorbids (Gyraulus feunerborni and G. sumatranusj, 1 bulimid (Emmericiopsis lacustris) and 1 corbiculid clam (Corbicula moltkeana).The stony and sandy coastal 2 water is dominated by B. costula (59/0.09 m ) 2followed by C. molticeana'(32/0.09 m ), E. lacus- 2 2 tris (31/0.09 m ), M. tuberculata (21/0.09 m ) 2 and the other species 1 - 10/0.09 m .The water quality (temperature 27.7°C, pH 6.3, alkalinity 88.5 ppm and disolved oksigen 7.95) and food (detritus and periphyton) seems to be adequate to wpport the molluscan life.
DINAMIKA HUTAN DI LONG SEI BARANG, APO KAYAN KALIMANTAN TIMUR SOEDJITO, HERWASONO
BERITA BIOLOGI Vol 2, No 8 (1984)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v2i8.1412

Abstract

Hutan tropika mempunyai peianan penting untuk kehidupan manusia, dan menurnt Jacobs (1980) terdapat 12 pokok kepentingan. Tidak dapat dipungkiri bahwa penebangan hutan telah menyebabkan timbulnya bermacam-macam efek negatif (Kartawinata 1977).Perusakan hutan ini, tragisnya, terutama disebabkan oleh kegiatan manusia itu sendiri. Perubahan ekosistem hutan ini, bila tidak mendapat gangguan lebih lanjut akan kembali lagi ke keadaan hutan aslinya. Menurut Ewel (1980), tumbuh kembali dan daya lenting dari hutan tropika dataran tinggi adalah lambat, bahkan mungkin tidak akan kembali lagi setelah adanya penggundulan hutan. Tetapi Hartshorn (1980) menaksir bahwa hutan tropika akan berbalik rata-rata 75 - 150 tahun. Hal ini menunjukkan hal baru dimana temyatu irutan tropika lebih sangat dinamis, tidak seperti perkiraan terdahulu

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