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All Journal Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH) Borobudur
Ekarini, Fransiska Dian
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Agriculture, Biological Sciences & Forestry Arts Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Materials Science & Nanotechnology

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DEVELOPMENT OF THIN CONSERVATION-GRADE PAPER FROM INDONESIAN PAPER MULBERRY Suranto, Christopher Alma; Sudiono, Sri; Ekarini, Fransiska Dian
Jurnal Konservasi Cagar Budaya Vol. 18 No. 2 (2024): Jurnal Konservasi Cagar Budaya
Publisher : Balai Konservasi Borobudur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33374/jurnalkonservasicagarbudaya.v18i2.339

Abstract

This research explores the development of conservation-grade paper from Indonesian paper mulberry (Broussonetia papyrifera), commonly known as daluang, as a sustainable material for historical artifact preservation. Given the scarcity of locally produced conservation-grade paper in Indonesia, this study investigates the technical feasibility of utilizing daluang fibers in papermaking. The research details the steps of bark extraction, fiber purification, delignification, bleaching, and sheet formation, following traditional papermaking techniques.. Three alkaline solutions (NaOH, Na₂CO₃, and Ca(OH)₂) were employed for delignification, followed by mechanical and chemical characterizations including tensile testing, colorimetry, pH analysis, SEM, and ATR-FTIR. The results demonstrate that NaOH-delignified fibers produce the thinnest paper with improved fiber dispersion, while Ca(OH)₂-treated samples exhibit higher tensile strength and pH stability. The findings show Indonesian paper mulberry's potential as a resource for conservation-grade paper, though further optimizations are needed to enhance fiber distribution and lignin removal for practical conservation applications.
Study of Large Ruminants Diversity in Java at Eighth Century Based on Borobudur Temple Reliefs Hardyta, Galy; Nugrahini, Yosephine Laura Raynardia Esti; Ekarini, Fransiska Dian; Setyowening, Natalia Dewi; Elisa
Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati (J-BEKH) Vol. 9 No. 2 (2022)
Publisher : Department of Biology Faculty of Mathematics and Natural Sciences Universitas Lampung in collaboration with The Indonesian Association of Biology (PBI) Lampung Branch.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jbekh.v9i2.247

Abstract

Large ruminants, consisting of cattle and buffalo, have played an important role in human life from the past to the present. Information about the utilization of large ruminants was often found in inscriptions in ancient Java. Unfortunately, the diversity of these large ruminants was not described in detail. The reliefs of the temples can be used as a consideration in understanding the diversity of large ruminants based on the morphological characteristics carved in the reliefs. Borobudur Temple, a historical building from the 8th century AD which was rich in reliefs, can be used as a data source to find information about the diversity of the large ruminants in Java. The aims of this study was to find the diversity of the large ruminants in Java in the 8th century based on the reliefs at Borobudur Temple. The research was conducted by observing various large ruminant images contained in the reliefs of Borobudur Temple. The results of the observations were interpreted and clustered based on their morphological characteristics. The results showed that there were ten relief panels containing images of cattle and nine relief panels containing images of buffalo. Based on the observed morphological characteristics, it could be concluded that there was only one breed of cattle and buffalo, respectively zebu (Bos indicus) and wild buffalo (Bubalus arnee).
Co-Authors Elisa Hardyta, Galy Nugrahini, Yosephine Laura Raynardia Esti Setyowening, Natalia Dewi Sri Sudiono Suranto, Christopher Alma