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All Journal Biology, Medicine, & Natural Product Chemistry Jurnal SOLMA Jurnal Agriment
Zarta, Abdul Rasyid
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health Other

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Peningkatan Produksi Kompos Biochar Pembenah Tanah melalui Rekayasa Konstruksi Mesin Pencacah Bahan Organik dalam Mendukung Adaptasi dan Mitigasi Perubahan Iklim Pertanian bagi Masyarakat Kampung Belimau-Kelurahan Lempake, Kelurahan Sempaja Utara, Kota Samarinda Syafii, Syafii; Zarta, Abdul Rasyid; Akshar, Muh; Marroh, Zahrotul Isti'anah; Nurmarini, Eva; Patulak, Ita Merni; Alex, Taman; Tahrir, Muhammad; Zahroni, Teguh Rizali; Yusdiansyah, Yusdiansyah; Ridwan, Ridwan; Azzahrah, Nadia Fatimah
Jurnal SOLMA Vol. 14 No. 2 (2025)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v14i2.17412

Abstract

Background: Berkuranganya lahan subur, cekaman alam dan biotik terhadap lahan pertanian di Kalimantan Timur menuntut tindakan adaptasi yang bermuara pada peningkatan produktivitas dan keberlanjutan usaha pertanian. Adaptasi dan keberlanjutan menuntut inovasi kreativitas yang didasarkan riset, dengan adanya kegiatan produksi kompos biochar menggunakan mesin pencacah maka kuantitas hasil produksi akan semakin bertambah yang akan berpengaruh pada jumlah dan kualitas hasil pertanian. Tujuan dari kegiatan pengabdian ini adalah untuk memberikan pemahaman kepada masyarakat mengenai upaya peningkatan produksi kompos biochar pembenah tanah melalui rekayasa konstruksi mesin pencacah bahan organik. Mitra pada kegiatan pengabdian ini adalah Lembaga Swadaya Masyarakat (LSM) P4S Puri Leisa. Metode: Untuk mengatasi permasalahan maka diadakan penyuluhan dan pelatihan terhadap 15 – 20 orang petani dan mahasiswa, dengan materi teori dan praktek pembuatan kompos biochar selama 1 hari (4 jam) antara lain Penyiapan Alat Pirolysis, Pemilihan Bahan Biochar, Proses Pembakaran, Pemantauan Suhu dan Pemadaman, Penjemuran, Aktivasi dan Penepungan, Analisis dan Distribusi.  Hasil: Pada tahap awal kegiatan pengabdian, para peserta pelatihan mendapatkan kulsponsi penjelasan prosedur cara membuat kompos biochar dari instruktur. Tahap kedua adalah praktik dengan memasukkan bahan-bahan organik yang berasal dari limbah pertanian dan serasah kehutanan ke mesin pencacah untuk menghasilkan serbuk yang seragam sebelum akhirnya diproses menjadi biochar.  Limbah pertanian serta limbah kehutanan atau limbah alami organik lainnya tidak membutuhkan perlakuan khusus maupun perlakuan pendahuluan seperti dengan menjemurnya atau membuatnya menjadi bagian-bagian dengan ukuran lebih kecil. Kesimpulan: Melalui penggunaan mesin pencacah bahan alami, produktivitas kompos meningkat menjadi 800 kg per hari dibandingkan sebelumnya hanya berkisar 100-200 jika menggunakan tenaga manual. 
Antioxidant Activity Test of Ethanol Extract from The Leaves and Bark of Kapur (Dryobalanops aromatica) from Distillation Solid Waste Using the DPPH and ABTS Methods Sari, Nur Maulida; Zarta, Abdul Rasyid; Salusu, Heriad Daud; Hernandi, Muhammad Fikri; Ramadhan, Mohammad Ridho; Pragaloka, Nur Indah; Kerawing, Rosalinda; Muis, Puspitasari; Raihanah, Siti; Jasmawati, Jasmawati; Aryani, Farida
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.381-387

Abstract

One of the endemic plants of East Kalimantan, kapur (Dryobalanops aromatica) belongs to the Dipterocarpaceae family and is typically used by the locals for essential oils. Solid waste is only used as a natural fertilizer, while the leaves and bark of Kapur (Dryobalanops aromatica) are often only used for the essential oil extracted. Research on solid waste from distilling kapur (Dryobalanops aromatica) has never been done. This investigation aimed to find the possible concentration of secondary metabolite chemicals and antioxidants in the ethanol extract of solid waste from distilling Kapur leaves and bark (Dryobalanops aromatica). The ethanol extract of Kapur leaves and bark (Dryobalanops aromatica) will undergo phytochemical testing utilizing a qualitative test method to ascertain the presence of secondary metabolite chemicals. The ethanol extract of Kapur leaves and bark (Dryobalanops aromatica) will be tested for antioxidant activity against DPPH and ABTS free radicals using a UV Spectrophotometer. The results of the phytochemical analysis showed that the ethanol extracts from the leaves and bark contained alkaloids, flavonoids and tannin. Triterpenoids are only found in the bark extracts, while saponins and steroids are only found in the leaves extracts. Antioxidant activity of Dryobalanops atomatica extract showed that ethanol extract displayed an ability to inhibit DPPH free radical in both the leaves and bark ethanol extracts, with percentages of 83.24% and 94.91% at 25 ppm concentration, respectively. Antioxidant activity of Dryobalanops atomatica extract showed that ethanol extract could inhibit DPPH free radical in the leaves and bark ethanol extracts, with percentages of 83.24% and 94.91% at 25 ppm concentration, respectively. Antioxidant activity of Dryobalanops atomatica extract showed that ethanol extract display an ability to inhibit ABTS free radical with a percentage of 84.23% at 50 ppm concentration in the leaves extracts, followed by 82.62% percentage of inhibition at 100 ppm concentration. According to the findings of the study, post-distillation solid waste from Dryobalanops aromatica leaves and bark had the potential to develop as a natural antioxidant.
Potential Of Aduncum Leaf Essential Oils (Piper aduncum L) As An Antibacterial For Dental Caries Aryani, Farida; Arensyah, Mardy; Hernandi, Muhammad Fikri; Hertianti, Erina; Wartomo, Wartomo; Prayitno, Joko; Yusuf, Andi; Zarta, Abdul Rasyid; Sari, Nur Maulida
JURNAL AGRIMENT Vol. 9 No. 2 (2024): Desember 2024
Publisher : Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/jurnalagriment.v9i2.2980

Abstract

Aduncum leaf (Piper aduncum L) have the potential as antifungal from phenolic compounds and their derivatives. Essential oils have been widely used by the community both for health, this is because of the compound content that is known to be used as antibacterial. This study aims to determine the physical properties and antibacterial activity of the aduncum leaf essential oil (Piper aduncum L). Distillation is carried out using a steam and water distillation method. Testing physical properties include color, type weight using a pycnometer and refractive index using a refractometer. Antibacterial testing is carried out by diffusion method so that the wells with modification using Streptococcus sobrinus and Streptococcus mutants. Chloramphenicol is used as a positive control in antibacterial testing. The results of testing physical properties showed the essential oil of the aduncum leaf with the M1 code had an oil weight of 6.75 gr golden yellow with a weight type 0.97875 and the Bias Index of 1,508. Oil with the M2 code has an oil weight of 3.34 gr in yellow brown with a weight of 1,01635 and a refractive index of 1,512. The results of testing the antibacterial activity S. sobrinus showed the diameter of the inhibition of aduncum leaf essential oil included in the moderate category with a value of around 6 mm-12 mm, while S. mutans antibacterial activity shows the diameter of inhibiting aduncum leaf essential oil included in the moderate category with a value of around 8 mm-15 mm. Based on the results of the study obtained, the essential oil of the aduncum leaf can be recommended as an antibacterial caries and can be developed.
Co-Authors Akshar, Muh Alex, Taman Arensyah, Mardy Azzahrah, Nadia Fatimah Farida Aryani Hertianti, Erina Ita Merni Patulak Jasmawati, Jasmawati JOKO PRAYITNO Kerawing, Rosalinda Marroh, Zahrotul Isti'anah Muhammad Fikri Hernandi Muis, Puspitasari Nurmarini, Eva Pragaloka, Nur Indah Ramadhan, Mohammad Ridho Ridwan, Ridwan Salusu, Heriad Daud Sari, Nur Maulida Siti Raihanah Syafii . Tahrir, Muhammad Wartomo, Wartomo Yusdiansyah, Yusdiansyah Yusuf, Andi Zahroni, Teguh Rizali