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All Journal Jurnal Penelitian Hasil Hutan
Mohammad Listianto Raharjo
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Materials Science & Nanotechnology

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STANDARDISASI EKSTRAK KULIT KAYU BANGKAL (Nauclea subdita (Korth.) Steud.) SEBAGAI BAHAN BAKU SEDIAAN KOSMETIKA Mohammad Listianto Raharjo; Nazarni Rahm; Nadra Khairiah,; Rais Salim; Rufida; Budi Tri Cahyana
Jurnal Penelitian Hasil Hutan Vol. 39 No. 1 (2021): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2021.39.1.55-64

Abstract

Bangkal bark is used as a cosmetic raw material by residents of South Kalimantan and has been proven to havegood pharmacological activity as an antibacterial and free radical scavenger. Phenolic is one of the compounds found inbangkal plants. It can be used as markers to standardize and determine the extract stability that will be developed aseffective and safe materials. This study aims to observe antibacterial and free radical scavenging active materials thatstable and safe from bangkal bark for application in pharmaceutical and cosmetic products. The extraction process useda percolation method with distilled water, then standardized according to the PPOMN reference and tested for stabilityusing the accelerated stability method with a total phenolic marker. The extract was tested for free radical scavengingactivity against DPPH, and antibacterial activity was tested against Propionibacterium acne and Staphylococcusaureus by disc paper diffusion method. The results showed that bangkal extract was stable during testing at 40°C and75% RH for 12 weeks. Total phenolic range between 7.18 ± 0.31−7.43 ± 0.21 µg/mg. Antiradical scavengingactivity showed a value of IC50 of 3,158.3 μg/ml, and antibacterial activity testing showed MIC value of the angkalextract against P. acne and S. aureus at ≥ 100,000 ppm and 100,000 ppm. Extract standardization results showedthat the bangkal wood extract met the quality standard and could be used as a raw material for cosmetic materials.
PENGARUH EKSTRAK KAYU ULIN (Eusideroxylon zwageri) TERHADAP SERANGAN RAYAP KAYU KERING (Cryptotermes cynocephalus Light): PENELITIAN PENDAHULUAN Mohammad Listianto Raharjo; Desi Mustika Amaliyah; Ratri Yuli Lestari; Budi Tri Cahyana
Jurnal Penelitian Hasil Hutan Vol. 38 No. 1 (2020): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2020.38.1.21-26

Abstract

Dry wood termites attack is one of the problems that cause huge losses in timber construction. One way to solve thisproblem is by preserving wood, with synthetic chemicals or natural ingredients. The purpose of this preliminary researchwas to determine the effect of ironwood powder extract as a natural wood preservative. Preservation methods conductedwere cold immersion at normal temperature (± 25°C) and hot immersion at 80°C. Variations in the concentrationare 5%, 10%, 15%, and 20%. Variation of immersion time are 1, 2, and 3 days for the cold immersion and 0.5; 1;2; 3 hours for the hot immersion. Results show that mortality data and the degree of attack of dry wood termites. Theresults showed that the mortality of the dry wood termites increased 4−6%. However, no difference was found on thedegree of attacks between preserved and control wood.
Co-Authors Budi Tri Cahyana Desi Mustika Amaliyah Nadra Khairiah, Nazarni Rahm Rais Salim Ratri Yuli Lestari Rufida