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Discrimination and Determination of Extractive Content of Ebony (Diospyros celebica Bakh.) from Celebes Island by Near-Infrared Spectroscopy

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Department of Forest Products, Faculty of Forestry and Environment, IPB University (Bogor Agricultural University), Kampus IPB Darmaga, Bogor 16680, Indonesia
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Department of Mechanical and Biosystem Engineering, Faculty of Agricultural Engineering and Technology, IPB University (Bogor Agricultural University), Kampus IPB Darmaga, Bogor 16680, Indonesia
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Molecular Science Research Group, Advanced Research Laboratory, IPB University (Bogor Agricultural University), Kampus IPB Darmaga, Bogor 16680, Indonesia
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Department of Silviculture, Faculty of Forestry and Environment, IPB University (Bogor Agricultural University), Kampus IPB Darmaga, Bogor 16680, Indonesia
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Department of Chemistry, Faculty of Mathematics and Natural Science, IPB University (Bogor Agricultural University), Kampus IPB Darmaga, Bogor 16680, Indonesia
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Forest Products Research and Development Center, Research, Development and Innovation Agency, Ministry of Environment and Forestry Republic of Indonesia, Jl. Gunung Batu No 5, Bogor 16119, Indonesia
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Department of Biology, Faculty of Mathematics and Natural Science, Syiah Kuala University, Jln. Teuku Nyak Arief Darussalam, Banda Aceh 23111, Aceh, Indonesia
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Authors to whom correspondence should be addressed.
Forests 2021, 12(1), 6; https://doi.org/10.3390/f12010006
Received: 25 October 2020 / Revised: 3 December 2020 / Accepted: 21 December 2020 / Published: 22 December 2020
(This article belongs to the Section Wood Science and Forest Products)
Ebony (Diospyros celebica Bakh.) is an endemic plant on Celebes (Sulawesi) island. Extractive compounds within ebony wood cause it to have durability, strength, and beautiful patterns. In this study, we used near-infrared (NIR) spectroscopy to discriminate between ebony wood samples, based on their origins at different growth sites on Celebes island, and to develop quantitative models to predict the extractive content of ebony wood. A total of 45 wood meal samples from 11 sites located in West, Central, and South Celebes were collected in this study. NIR spectral data were acquired from hot water and ethanol–benzene soluble extracts from ebony wood in this study. The extractive content of the ebony was 10.408% and 10.774% based on hot water solubility and treatment with ethanol–benzene solvent, respectively. Multivariate analysis based on principal component analysis–discriminant analysis revealed that ebony wood from West Celebes differed from most of the wood from South Celebes; however, it was only slightly different from ebony wood from Central Celebes based on NIR spectra data. These findings were in line with the extractive contents obtained. Partial least square regression models based on wood meal spectra could potentially be used to estimate the hot water and ethanol–benzene extractive contents from ebony wood. View Full-Text
Keywords: wood extractive; partial least square regression; principal component analysis–discriminant analysis; wood origin; Sulawesi wood extractive; partial least square regression; principal component analysis–discriminant analysis; wood origin; Sulawesi
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MDPI and ACS Style

Karlinasari, L.; Noviyanti, N.; Purwanto, Y.A.; Majiidu, M.; Dwiyanti, F.G.; Rafi, M.; Damayanti, R.; Harnelly, E.; Siregar, I.Z. Discrimination and Determination of Extractive Content of Ebony (Diospyros celebica Bakh.) from Celebes Island by Near-Infrared Spectroscopy. Forests 2021, 12, 6. https://doi.org/10.3390/f12010006

AMA Style

Karlinasari L, Noviyanti N, Purwanto YA, Majiidu M, Dwiyanti FG, Rafi M, Damayanti R, Harnelly E, Siregar IZ. Discrimination and Determination of Extractive Content of Ebony (Diospyros celebica Bakh.) from Celebes Island by Near-Infrared Spectroscopy. Forests. 2021; 12(1):6. https://doi.org/10.3390/f12010006

Chicago/Turabian Style

Karlinasari, Lina; Noviyanti, Noviyanti; Purwanto, Y. A.; Majiidu, Muhammad; Dwiyanti, Fifi G.; Rafi, Mohamad; Damayanti, Ratih; Harnelly, Essy; Siregar, Iskandar Z. 2021. "Discrimination and Determination of Extractive Content of Ebony (Diospyros celebica Bakh.) from Celebes Island by Near-Infrared Spectroscopy" Forests 12, no. 1: 6. https://doi.org/10.3390/f12010006

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