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All Journal Jurnal Penelitian Ekosistem Dipterokarpa Embrio : Jurnal Kebidanan Jurnal Ilmu dan Teknologi Kayu Tropis Majalah Ilmiah Bahari Jogja Jurnal Penelitian Ekosistem Dipterokarpa

Supartini Supartini

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Author-ID : 3054498

Agriculture, Biological Sciences & Forestry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Health Professions Transportation

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Anatomical and Chemical Properties of Keruing Wood from Labanan Research Forest, East Kalimantan Lystia M Dewi; Supartini Supartini
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 15, No 2 (2017): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Understanding the basic properties of wood is essential for its appropriate and efficient utilization. Anatomical feature for many species of wood, as an important basic property of wood, remained incomplete and mostly limited to the genus level, especially for Dipterocarpaceae. In the present works, three keruing species i.e. (Dipterocarpus stellatus Vesque, Dipterocarpus glabrigemmatus P.S. Ashton, and Dipterocarpus pachyphyllus Meijer) were studied for their anatomical and chemical properties. Observation of the microscopic and macroscopic features of these woods was conducted. Suitability of the wood for pulp and paper raw material was also assessed through fiber dimension measurement. Chemical component analyses were carried out based on appropriate Technical Association of the Pulp and Paper Industries (TAPPI) standard procedures. The result showed that in general, all species have resemblance in both anatomical and chemical properties. Even though, the lignin and extractives content of the three Dipterocarpus spp. were considered high, their fiber were classified as class I fiber quality; and thus very suitable for the raw material of pulp and paper production.Keywords: anatomical properties, chemical properties, Dipterocarpus spp., fibre quality, keruing

Struktur Anatomi dan Kualitas Serat Kayu Parashorea malaanonan (Blanco) Merr. (Anatomical Structure and Fiber Quality of Parashorea malaanonan (Blanco) Merr.) Supartini Supartini; Listya M Dewi
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 8, No 2 (2010): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Parashorea malaanonan (Blanco) Merr. is one of Dipterocarps species that listed in Red List IUCN as critically endangered species. The evaluation of its suitability for pulp and paper raw material was also needed. The samples were observed by using Johansen’s Method for the microtome slide making and for the observation of anatomical structure were using IAWA List. The maceration process was using FPL’s method and fibre quality criteria according to Rahman and Siagian (1976). The results shows that P. malaanonan have light brown heartwood and yellow pale sapwood; rough texture; grain straight to interlocked, and impression touch rough. The main microscopic characters are growth ring indistinct, vessels diffuse arranged diagonally, vessels mostly solitary with outline rounded. Tyloses were found in vessels, perforation plate simple, intervessel pits scalariform to opposite. Axial parenchyma paratracheal thin vasicentric, rays uniseriate and multiseriate. Axial intercellular canals in long tangential lines and axial canals diffuse. Vasicentric tracheids present, thin wall fibre (4 μm), fibre length 1368 μm, and diameter 25 μm. Prismatic chrystals in ray cells and chambered axial parenchyma cells. The fibre quality of P. malaanonan belongs to the quality class II, which mean moderately good for pulp and paper.

Anatomical Structure and Fiber Quality of Shorea hopeifolia (Heim) Symington Grown from East Kalimantan Supartini Supartini; Listya M Dewi; Agus Kholik; M Muslich
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 11, No 1 (2013): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

The objectives of this research were focused on description of anatomical structure and fiber quality of Shorea hopeifolia. Wood samples were obtained from Labanan, Berau, East Kalimantan. Anatomical structure and fiber quality of S. hopeifolia were observed according to IAWA List and Indonesian fiber quality criteria. The results showed that S. hopeifolia has brown yellowish heartwood and clearly distinguished with its light yellow sapwood; straight to interlocked grain; somewhat rough texture, slippery touchiness, lustered; and soft to somewhat hard. While the main microscopic are growth rings indistinct; vessel diffuse, simple perforation plate, mostly solitary; alternate and vestured intervessel pit; vessel-ray pits with much reduced borders to apparently simple and rounded shape; tyloses and vacicentric tracheid present; fibres with simple to minutely bordered pits, septate fiber present, thin to thick cell-wall fiber; fiber length 1733 μm; axial parenchyma unilateral paratracheal, vacicentric, aliform, confluent, narrow bands; uniseriate and multiseriate rays (3-8), rays height >1 mm; axial intercellular canal in long tangential lines and radial canal present; prismatic crystals in procumbent and upright rays cells. Based on its fiber dimensions and derived values, S. hopeifolia wood was classified into quality class I and very favourable as raw material for pulp and paper.Key words: anatomical structure, fiber quality, Shorea hopeifolia, yellow meranti

Co-Authors Agus Kholik Andrian Fernandes Listya M Dewi Lystia M Dewi M Muslich Muntiani Muntiani Rizki Maharani Siti Khatijah Siti Mudzolifah

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