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All Journal Indonesian Journal of Forestry Research PERENNIAL
Sari Delviana Marbun
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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ANATOMICAL INVESTIGATION OF FIVE GENERA THE LEAST-KNOWN TIMBER OF APOCYNACEAE AND THEIR POTENTIAL UTILIZATION Sari Delviana Marbun; Vidya Fatimah Astutiputri; Ratih Damayanti; Hadisunarso Hadisunarso; Deazy Rachmi Trisatya; Djarwanto Djarwanto; Listya Mustika Dewi; RGH Rahmanto; Dyah Ayu Agustiningrum; Rohmah Pari; Imran Arra’d Sofianto; Yunita Lisnawati; Titi Kalima; Sona Suhartana; Setiowati Setiowati; Krisdianto Krisdianto; Marfuah Wardhani; Agus Ismanto; Yuniawati Yuniawati; Agung Wahyu Nugroho; Sri Utami; Wahyu Dwianto; Widya Fatriasari; Adik Bahanawan; Danang Sudarwoko Adi; Sarah Augustina; Hengki Siahaan
Indonesian Journal of Forestry Research Vol 10, No 1 (2023): Indonesian Journal of Forestry Research
Publisher : Secretariat of Agency for Standardization of Environment and Forestry Instruments

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2023.10.1.75-90

Abstract

Doubtlessly, wood identification is critically important for a number of sectors, including government organizations, the wooden-based industry, museums, law enforcement, and scientists working in botany, ecology, forestry, and wood technology. Unfortunately, most wood species listed as “the least-known species” lack essential knowledge or their anatomical features and basic properties to promote their usage. This research aimed to investigate the anatomical characteristics and fiber quality of the least-known timber species of Apocynaceae family, which are authentic wood collection from Xylarium Bogoriense, namely, Ervatamia sphaerocarpa, E. aurantiaca, Kopsia flavida, Lepiniopsis ternatensis, Plumeria acuminata, P. rubra, and Voacanga foetida. Wood samples have indistinct growth ring boundaries, diffuse-porous vessels in diagonal and/or radial pattern, vessels in radial multiples of 4 or more cells, simple perforation plate, alternate intervessel pits; distinct borders of vessel-ray pits, similar with those of intervessel pits in size and shape throughout the ray cell, and septate fibers with simple pits to minutely bordered pits which are common in radial and tangential walls. Based on the fiber length and the derived values of fiber dimension, some species are classified into Quality Class II and III, and the rest of them are classified into Quality Class II or III for pulp and paper manufacturing. Based on general characteristics, commonly Apocynaceae can be used as handicrafts raw material. Based on the fiber quality, some species which are classified into Quality Class II, are predicted to have potential as pulp and paper material with medium quality.
Pengaruh Hot Water Extraction terhadap Sudut Kontak Octomeles sumatrana dan Duabanga moluccana dan Kaitannya terhadap Zat Ekstraktif dan Struktur Anatomi Kayu: Effect of Hot Water Extraction on Contact Angle of Octomeles sumatrana and Duabanga moluccana Woods and Its Correlation to the Extractive Content and Anatomical Structure Marbun, Sari Delviana; Wahyudi, Imam; Suryana, Jajang; Nawawi, Deded Sarip; Ratih, Damayanti; Silaban, Rosalia
PERENNIAL Vol 21 No 2 (2025): Vol. 21 No. 2, October 2025
Publisher : Forestry Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v21i2.44044

Abstract

Binuang bini (Octomeles sumatrana) and binuang laki (Duabanga moluccana) are fast growing species that have the potential to be developed as engineered wood products. However, previous studies have shown that both wood species have high contact angle values due to the extractive content and the high acidity. Therefore, this study aimed to examine the effect of hot water extraction (HWE) pretreatment to eliminate these limiting factors. The results proved that HWE pretreatment statistically significantly decreased the contact angle of binuang bini wood but not for binuang laki wood. HWE pretreatment resulted in a decrease in the levels of hot water-soluble extractive content and degradation of other wood chemical components. The different effectiveness of HWE pretreatment on binuang bini and binuang laki wood on improving the contact angle is influenced by differences in the quantity and quality of extractive substances as well as differences in the anatomical structure characteristics of these species.
Co-Authors Adik Bahanawan Agung Wahyu Nugroho Agus Ismanto Danang Sudarwoko Adi Deazy Rachmi Trisatya Deded Sarip Nawawi Djarwanto Djarwanto Dyah Ayu Agustiningrum Hadisunarso Hadisunarso Hengki Siahaan Imam Wahyudi Indrawan, Imam Wahyudi Imran Arra’d Sofianto Jajang Suryana Krisdianto Krisdianto Listya Mustika Dewi Marfuah Wardhani Ratih Damayanti Ratih, Damayanti RGH Rahmanto Rohmah Pari Rosalia Silaban Sarah Augustina Setiowati Setiowati Sona Suhartana Sri Utami Titi Kalima Vidya Fatimah Astutiputri Wahyu Dwianto Widya Fatriasari Yuniawati Yuniawati Yunita Lisnawati