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INDONESIA
Jurnal Penelitian Hasil Hutan
Published by Pusat Penelitian dan Pengembangan Hasil Hutan
ISSN : 02164329     EISSN : 24428957     DOI : 10.20886/jphh
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Materials Science & Nanotechnology
Jurnal Penelitian Hasil Hutan adalah jurnal ilmiah nasional yang mempublikasikan tulisan yang telah dicermati oleh Dewan Redaksi dan Mitra Bestari di bidang hasil hutan. Tulisan dalam Jurnal Penelitian Hasil Hutan mencerminkan inovasi dan hasil penelitian dasar dan terapan yang berkualitas di bidang hasil hutan. Topik tulisan penelitian hasil hutan meliputi: 1. Anatomi bahan berlignoselulosa 2. Sifat fisik dan mekanik bahan berlignoselulosa 3. Teknologi serat bahan berlignoselulosa 4. Papan komposit bahan berlignoselulosa 5. Biodeteriorasi dan pengawetan bahan berlignoselulosa 6. Teknologi pengeringan hasil hutan 7. Penggergajian dan pemesinan kayu 8. Pengolahan hasil hutan kayu dan bukan kayu 9. Pengolahan kimia dan energi hasil hutan 10. Ilmu kayu dan teknologi hasil hutan Keteknikan hutan 12. Pemanenan hasil hutan kayu dan bukan kayu
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Kehutanan
Articles 1,297 Documents
 74   75   76   77   78 
ANATOMI PEPAGAN PULAI DAN BEBERAPA JENIS SEKERABAT Y I Mandang
Jurnal Penelitian Hasil Hutan Vol 22, No 4 (2004): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2004.22.4.247-261

Abstract

Bark anatomy of white pulai (Alstonia scholaris R.Br.).  black pulai (Alstonia angustiloba Miq.) and bintaro (Cerbera manghas L.)  were observed and described for identification purposes.  These plants  have been used as sources of traditional medicine in South East Asia.  Bark of these trees exudes white gum when it was cut; the inner parts are white.  The outer surfaces of A. scholaris and C. manghas are gray and usually lenticellate; the outer surface of A.  angustiloba contains no lenticel, and the colour is dark brown .  with narrow and shallow longitudinal fissures.  The main components of bark are phloem, parenchyma, ray, fibre, sclereid and periderm. Fibres are tangentially arranged near the cambium ofjuvenile stem of all species, then pushed outward by cambium activity as the age of the plant  increased.  Sclereids were few  and thin walled while the plants  were young and then increased in quantity and in cell wall thickness as the plants become mature.  The main anatomical differences between bark of these plants were in the morphology of the sclereids.  Sclereids of A. scholaris are short and  chubby, sclereid of A.   angustiloba are long and stout  while those of C. manghas are long and slender. A tentative identification key is presented. 
ISOLASI ASAM SINAMAT DARI BERBAGAI KUALITAS KEMENYAN ASAL SUMATERA UTARA Totok K Waluyo; E Setiawan
Jurnal Penelitian Hasil Hutan Vol 25, No 4 (2007): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2007.25.4.319-326

Abstract

Tujuan penelitian ini adalah untuk mengetahui kadar dan kemumian asam sinamat hasil isolasi berbagai kualitas kemenyan. Kemenyan di pasaran ada 6 kualitas yaitu kualitas I s/d kualitas VI, pembagian ini hanya berdasarkan besar kecilnya lempengan/bongkahan kemenyan. Untuk itu dicoba dilakukan isolasi asam sinamat dari berbagai kualitas kemenyan. Metode yang digunakan untuk isolasi asam sinamat dari kemenyan berdasarkan SII 2044-1987.Hasil penelitian menunjukkan bahwa kualitas kemenyan mempengaruhi kadar asam sinamat hasil isolasi. Kemenyan kualitas I s/d IV mengandung kadar asam sinamat yang relatif tinggi yaitu berkisar 30,1%-32,8%, sedangkan kemenyan kualitas V dan kualitas VI lebih rendah yaitu 28,4% dan 25,5%. Kemumian asam sinamat hasil isolasi tidak dipengaruhi oleh kualitas kemenyan yaitu berkisar antara 92,8% s/d 95,7%.
Lapisan Perkerasan Komposit Batu Pecah pada Kontruksi Jalan Hutan Rahardjo Rahardjo; S Suparto; S Sutopo
Jurnal Penelitian Hasil Hutan Vol 4, No 2 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.2.50-55

Abstract

The use of pavement in Indonesian forest road construction at present is not common practice. Paving of logging roads is still considered too expensive, especially when its construction is not rational and effective. Information on pavement design especially with regard to its composition should help forest companies in solving their forest road construction problems.This investigation looks into the problem of finding the proper composition of crushed gravel and sand or rock dust for the construction of pavements. This kind of pavement is thought to have high shearing strength, stability and density.A series of laboratory test were conducted for this purpose, employing factorial analysis .A performance test in the field was conducted to compare with the Telford system using paired samples.The investigations revealed the following:- Crushed rock had significant influence on the shearing strength of the pavement. This material mixed with rock dust showed significant interaction.- Rock dust itself and water did not have significant effect on the shearing strength of pavement.- The use of water may help  facilitate the compaction process guiding the filler material into the voids among the crushed rock particles.- The proper composition turned out to be three units of crushed rock and two units of rock dust, resulting in a shearing strength of 0,226 kg/cm2.- Crushed rock composite made better pavement than the Telford system, resulting in lower settling of subgrade.- Based on the above, it is recommended to use a mixture of 2-3size crushed rock and rock dust in the proportion of 3 : 2 for pavement of forest roads, using smooth drum roller to obtain proper compaction.
INTENSITAS TEBANG BAYANG OPTIMUM DALAM PEMELIHARAAN JALAN HUTAN Dulsalam Dulsalam; Rahardjo S Suparto
Jurnal Penelitian Hasil Hutan Vol 4, No 3 (1987): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1987.4.3.45-48

Abstract

Forest roads requires lots of sun and air to keep them dry. These can be obtained by  "shade felling"  of the stand at both sides OJ the road. The problem in this matter is the question  about  the proper felling  intensity  to render adequate sunshine  and air without  undue  overcutting.Logging companies  tend to fell  as many  trees as possible  to ensure enough  opening  to let sunshine  and air in.A  Least  Significant  Difference  (LSD)  test on the data  obtained from the observation  indicate  that felling  intensity  over 50%  does not provide  better result than 31-41%. It is therefore suggested that shade felling intensity  be kepi at 40%  or less to save time,  man power, cost and forest  resource.
PENGAWETAN LIMA JENIS KAYU SECARA RENDAMAN DINGIN DENGAN DUA JENIS BAHAN PENGAWET CCB (Cold Soaking Treatment of Five Wood Species Using Two CCB Preservatives) Sasa Abdurrohim
Jurnal Penelitian Hasil Hutan Vol 11, No 7 (1993): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1993.11.7.256-266

Abstract

Wood Samples of five species measuring 3 cm x 3cm x 3cm (200 samples for each species) were treated with cold soaking treatment using Wolmanil CB and Diffusol CB preservatives for 1, 3, 5, 7, and 9 days at the concentrations of 2, 4, 6, and 8 percent,The test result of experiment, after taking both retention and penetration requirements into concideration for wood used under roof, and in the open air both without ground contact, showed that only two species, perupuk and keruing daun lebar, could be satisfactorily treated with Wolmanil CB under the experimental conditions, while other three species, damar kunyil, lanan and dungun, haven 't been meet the standar. Diffusol CB preservative showed a good result only on one species, i. e. perupuk.Keruing daun lebar for under roof and in the open air usage both without ground contact can be consecutively soaked for 7 days in Wolmanit CB solution of 6 and 8 percent, while perupuk, only for under roof without ground contact, for 9 days in 8 percent solution. Perupuk used under roof and in the open air without ground contact could be soaked for 7 days in Diffusol CB solution of 4 and 6 percent.
ANALISIS KOMPONEN KIMIA MINYAK KAYU CENDANA DENGAN KROMATOGRAFI GAS Abdul Hakim Lukman; Bambang Wiyono
Jurnal Penelitian Hasil Hutan Vol 5, No 7 (1988): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1988.5.7.437-441

Abstract

The purpose of  this research is to identify  chemical  components of sandalwood  oil by using the gas chromatography method. This sandalwood  oil  was  obtained   by  steam  and  water  distillation  for 18,  24,  and  30  hours  distilling  times. The  condition  of  the  gas chromatography   employed  was adjusted to :  injector  temperature  200°  C. detector temperature 0°  C,  initial  column   temperature  140°  C,  final  temperature  column  200°  C, speed  temperature   column   5° C/min,   with nitrogen  gas as carrier, and  the  using  the  flame  ionization   detector  system.    The identification  of  the peak  components was done  by  comparing  the  relative retention   time  of  the peak  component   with  the peak  retention   time  chemical  solution standard.   The peak  area of  each components    was calculated  by  normalization   method.The  results  indicated   that  chemical components of  sandalwood oil, which  was produced   by  the  steam  and  water distillation   for  18, 24,  and  30  hours,  include  0.0391, 0.0271, and  0.0313 % of α-pinene;  0.0065,  0.0034, and  0.0027 % of  limonene;  0.9147,  0.7799,   and  1.0393   % of α-santalene; 2.4375,1.9802, and 2.3474  % of  terpineol 4;  1.2184, 0.7922, and  0. 7921 % of  β-santalene;   5. 7263,  3.8800, and 3.9335  % of nerolidol; 48.0481, 51.1802. and 50.3507 % of β-santalol; 22.4367,  24.7127, and  24,2864 % of  (arnesol, Unidentified   component  in each distilling time were  19.1727,15.6443, and  17.2166   %. respectively.    The β -santalol  component    occupies  the  mayor  component   of  sandalwood   oil.  The  amount of  this component  at each  treating  condition was 48.0481 % for 18  hours;  51.1802 % for 24 hours; and 50.3507  % for 30 hours. Terpineol-4, nerolidol, β-santalol.   and  farnesol  components  constitute   the sandalwood   oil and is usually  calculated as the  total  santalol.
DAYA TAHAN 16 JENIS ROTAN TERHADAP BUBUK ROTAN (Dinoderus minutus Fabr.) Jasni Jasni; Han Roliadi
Jurnal Penelitian Hasil Hutan Vol 29, No 2 (2011): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2011.29.2.115-127

Abstract

Penelitian ini bertujuan untuk mengetahui ketahanan 16 jenis rotan terhadap serangan bubuk rotan kering (Dinoderus minutus Fabr.) dengan menggunakan contoh uji berukuran panjang 2 cm dan diameter di bawah 12 mm. Pengujian berlangsung dalam botol plastik yang di dalamnya terdapat 10 ekor bubuk rotan kering dewasa sehat dan aktif. Parameter yang diuji adalah persentase penurunan berat rotan dan persentase kumbang bubuk yang hidup, kemudian melalui bantuan pentelaahan statistik 16 jenis rotan tersebut diklasifikasikan menurut kelas ketahanannya. Di samping itu dilakukan pula pengamatan secara subyektif terhadap derajat serangan kumbang bubuk terhadap rotan. Hasil penelitian menunjukkan bahwa dari 16 jenis rotan yang diteliti, 5 jenis (31,25%) termasuk kelas ketahanan tinggi (kelas I dan II), sisanya 11 jenis (68,75%) termasuk kelas ketahanan rendah (kelas III, IV dan V). Dalam penggunaan rotan dengan kelas ketahanan rendah diperlukan proses pengawetan.
PERBEDAAN SIFAT FISIS-MEKANIS DAN ANATOMI KAYU TUSAM (Pinus merhusii) STRAIN TAPANULI DAN STRAIN ACEH Gunawan Pasaribu
Jurnal Penelitian Hasil Hutan Vol 26, No 2 (2008): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2008.26.2.166-173

Abstract

Tusam (Pinus merkusii) merupakan salah satu jenis tanaman endemik pulau Sumatera yang tumbuh secara alami di Aceh, Sumatera Utara dan Kerinci. Di pulau Jawa, tusam dibudidayakan oleh Perum Perhutani. Tusam memiliki tiga strain antara lain strain Aceh, Tapanuli dan Kerinci. Strain Tapanuli memiliki banyak persamaan dengan strain Kerinci. Strain yang cukup banyak informasinya adalah yang berasal dari Aceh. Strain Tapanuli dan Kerinci relatif belum banyak informasinya. Tulisan ini memaparkan perbedaan karakteristik kayu strain Tapanuli dan Aceh. Strain Tapanuli memiliki batang lebih lurus, kulit lebih tipis dan percabangan yang minimal dibandingkan dengan strain lainnya. Hasil penelitian menunjukkan bahwa sifat fisis kayu strain Aceh berbeda dengan strain Tapanuli, sebagai berikut :  Berat jenis kayu strain Aceh 0,54 sedangkan berat jenis strain Tapanuli 0,48. Penyusutan volumetrik strain Aceh 7,89% sedangkan strain Tapanuli 12,38%, oleh sebab itu stabilitas dimensi strain Tapanuli akan lebih baik dari strain Aceh.
PRODUKTIVITAS DAN BIAYA PRODUKSI PENEBANGAN HUTAN TANAMAN INDUSTRI DI PT INHUTANI II PULAU LAUT Marolop Sinaga
Jurnal Penelitian Hasil Hutan Vol 23, No 1 (2005): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2005.23.1.69-78

Abstract

Penelitian penebangan hutan tanarnan industri telah dilaksanakan di areal hutan tanaman industri PT Inhutani II Semaras, Pulau Laut. Jenis pohon yang ditebang adalah mangium (Acacia mangium). Penebangan dilakukan dengan sistim tebang habis sesuai dengan tujuan pengusahaan hutan tanaman industri, sehingga contoh uji yang diamati terdiri dari 97 pohon. Perlakuan dalam penelitian ini yaitu penebangan dilakukan dengan meninggalkan tunggak serendah mungkin, dan menggunakan gergaji rantai berukuran kecil mengingat diameter pohon yang kecil tidak seperti diameter pohon pada hutan alam. Tujuan penelitian adalah untuk mengetahui produktivitas dan biaya produksi penebangan hutan tanaman industri. Hasil penelitian menunjukkan bahwa produktivitas penebangan berkisar antara 0,738-11,645 m3/jam dengan rata-rata 3,12 m3/jam. Besarnya biaya penebangan berkisar antara Rp 814/m3-Rp 18.868/m3 dengan rata-rata Rp. 4.411/m3. Produktivitas penebangan dapat ditingkatkan dengan mengefisienkan waktu kerja dan apabila produktivitas meningkat maka biaya produksi penebangan dapat diperkecil sehingga lebih murah. Untuk itu keterampilan para pekerja penebang pohon perlu ditingkatkan sehingga dapat menggunakan waktu seefektif mungkin.
ANALISIS KOMPONEN KIMIA DARI KAYU SENGON DAN KAYU KARET PADA BEBERAPA MACAM UMUR Gustan Pari
Jurnal Penelitian Hasil Hutan Vol 14, No 8 (1996): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1996.14.8.321-327

Abstract

This paper reported the result of chemical analysis from sengon (Paraserianthes falcataria) and rubber wood (Hevea brasiliensis) with several age groups. The analysis comprise of the determination of holocellulose, cellulose, lignin, pentosan, ash content, silica content and the solubility in cold water, hot water, one percent of sodium hydroxide and alcohol benzene ex-tractives. These analysis were conducted to determine their basic characteristics and ultimate uses of the wood.The result showed that holocellulose content ranges from 66,46 - 70,90 % , cellulose from 46,62 - 49,88 %, lignin from 29,10 - 33,54 %, pentosan from 15,51 - 17,80 %, ash content from 0,45 - 1,25 %, silica content from 0,24 - 0,52 %, The solubility in cold water ranges from 3,12 - 5,40 %, hot water from 3,89 - 5,65 %, in NaOH 1 % from 13,06 - 16,06 % and in alcohol benzena (1:2)from 2,06 - 4,43 %. .Based on chemical analysis, especially the cellulose, lignin and pentosan content sengon and rubber wood are suitable as raw material for pulp and paper industry, except for 20 years old rubber wood.

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