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Journal : AL KAUNIYAH

BIODEGRADASI PLASTIK LDPE HITAM DAN PUTIH PADA SAMPAH TPA ANTANG DALAM KOLOM WINOGRADSKY Aziz, Isna Rasdianah; Muthiadin, Cut; Hafsan, Hafsan
Al-Kauniyah: Jurnal Biologi Vol 12, No 2 (2019): Al-Kauniyah Jurnal Biologi
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (897.732 KB) | DOI: 10.15408/kauniyah.v12i2.10037

Abstract

AbstrakDalam dunia industri, baik industri sandang, pangan, papan, transportasi, medis maupun rekreasi tidak terlepas dari penggunaan kantong plastik. Karena bersifat praktis, berbagai jenis kantong plastik sebagai kemasan selalu menjadi pilihan dalam aktivitas masyarakat. Akan tetapi, sifat plastik yang sulit terdegradasi pada lingkungan alami menimbulkan permasalahan sebagai salah satu sumber pencemaran. Penelitian ini bertujuan untuk mengetahui potensi mikroorganisme tanah yang diisolasi dari sampah Tempat Pembuangan Akhir (TPA) Antang Makassar dalam mendegradasi kantong plastik LDPE hitam dan putih. Metode biodegradasi plastik yang digunakan adalah kolom Winogradsky dengan menggunakan kolom kaca 1.000 mL yang berisi 500 gram tanah sampah TPA Antang dan plastik uji LDPE warna hitam dan putih. Kemudian dilakukan pengukuran persentase degradasi selama 3 bulan masa inkubasi dengan waktu panen selama 3 minggu sekali. Hasil penelitian menunjukkan bahwa terdapat 6 isolat dalam kolom Winogradsky mampu mendegradasi plastik LDPE hitam sebesar 3,5% dan 6 isolat lainnya mampu mendegradasi plastik LDPE putih sebesar 2%. Selanjutnya, isolat ini dapat digunakan sebagai agen biodegradasi plastik di TPA Antang Makassar.Abstract The use of plastic bags is almost unavoidable in industries, including the food, clothing, transportation, construction, medical, and recreational industries. Various types of plastic bags have been used in various types of packaging, because of the value of practicality. However, the difficulties in the degradation process become a problem as a pollution source in the environment. The purpose of this study was to determine the potential of soil microbes isolated in Antang landfill, Makassar, in degrading black and white plastics of LDPE. The biodegradation method used was the Winogradsky column using a 1,000 mL glass column containing 500 grams of Antang landfill soil and using black and white LDPE as well. The percentage of degradation was measured for three months incubation period with harvest time for three weeks. The results showed that the inoculum in Winogradsky column was able to degrade the black plastic by 3.5% and the white plastic by 2%. The results of macroscopic and microscopic characterization showed that six isolates were degrading the black plastic and six isolates were degrading the white plastic, with different characteristics. Furthermore, this isolate can be utilized as a biodegradation agent for plastic in the Antang landfill.
The Effect of Betel Leaf Extract on The Growth of Colletotrichum capsici in Red Chili Mashuri Masri; Hafsan Hafsan; Siska Tri Desianti; Fifi Dismayanti Indriani Nainu; Delima Engga Maretha; Lianah Lianah; Rusny Rusny
Al-Kauniyah: Jurnal Biologi Vol 14, No 2 (2021): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v14i2.21919

Abstract

Abstrak Tanaman cabai merupakan jenis sayuran penting yang banyak dibutuhkan oleh masyarakat. Namun, berdasarkan data Badan Pusat Statistik menunjukkan bahwa produksi cabai mengalami penurunan yang salah satunya disebabkan oleh Colletotrichum capsici. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian ekstrak daun sirih terhadap pertumbuhan C. capsici. Penelitian ini dilakukan menggunakan Rancangan Acak Lengkap (RAL) dengan 3 kali pengulangan. Proses ekstraksi daun sirih dilakukan dengan metode maserasi dengan pelarut etanol 96% dan uji antifungi dilakukan dengan metode difusi Kirby-Bauer. Konsentrasi ekstrak daun sirih yang digunakan adalah 5%, 10%, 15%, 20%, dan kontrol negatif menggunakan dimetil sulfoksida (DMSO). Data yang diperoleh dianalisis secara statistik menggunakan uji One-Way Anova dan uji lanjut Least Significant Difference (LSD). Hasil penelitian ini menunjukkan bahwa konsentrasi ekstrak daun sirih 20% menghasilkan zona hambat terbesar, yaitu 0,84 mm. Berdasarkan hasil pengujian disimpulkan bahwa ekstrak daun sirih memiliki aktivitas antifungi dalam menekan pertumbuhan C. capsici.AbstractChili plants are important vegetables normally used by the community. However, based on the data of Badan Pusat Statistik, chili production is decreasing because of many factors, including Colletotrichum capsici pathogen. This study was aimed to determine the effect of betel leaf extract on the growth of C. capsici. This research was conducted using a completely randomized design with 3 replications. The extraction process was carried out by the maceration method with 96% ethanol solvent and the antifungal test was performed by the Kirby-Bauer diffusion method. The concentration of betel leaf extract used was 5%, 10%, 15%, 20%, and dimethyl sulfoxide (DMSO) was used as the negative control. The data obtained were analyzed statistically using the One-Way Anova test and the Least Significant Difference (LSD) posthoc test. The results of this study showed that the concentration of 20% betel leaf extract produced the largest inhibition zone of 0.84 mm. Based on the test results, it is concluded that betel leaf extract had antifungal activity in suppressing the growth of C. capsici. 
Co-Authors Abbas Abbas, Abbas AHMAD MUZAKKI Ahyar Ahmad Alfian Alfian Amin, Abd Rauf Muh Andi Nur Fadhilah Andi Nur Fadhilah, Andi Andi Wahdiniar Andi Wahdiniar, Andi Anwar, Zulfahri Ar. Syarif Hidayat Arifuddin Ahmad, Arifuddin Arsyad, Muh Ali Asaad, Andi Indra Jaya Asmuddin Nasir Asmuddin Natsir Asri asri Asriani A Ayu Febriyanti, Ayu Cut Muthiadin Delima Engga Maretha Devi Armita Dewi Paramitasari Elkheir Hassaballah Abdallah Ernitasari, Ernitasari Faten Khudair Fatimah Mansir Fatmawati Nur Fatmawati Nur Febriani, Ayu Fifi Dismayanti Indriani Nainu Hadidarma, Nasyrah Hafizhah Al Amanah Hajrah Hajrah Hamina , Hamina, Hamina Hasrawati, Hasrawati Ibrahim Ibrahim Inaya, Nur Inna Shintia Irna, Ade Irwan Misbach Isna Rasdianah Aziz Isna Rasdianah Aziz Jumriani Rusli Khaerani Kiramang Khudaer , Faten Khudaer, Faten Kurnia Makmur Kurniati Kurniati Laily Agustina Laily Agustina, Laily Lianah Lianah, Lianah Lutvianti, Rizqi Maharani Retna Duhita Marliana Marliana Mashuri Masri Mashuri Masri Mashuri Masri Mashuri Masri Maslan Maslan Maslan, Muhammad Masriany Masriany Masriany Masriany Masriany, Masriany Melinda, Nurul Meriem, Selis Muh. Khalifah Muh. Khalifah Mustami Muhammad Halifah Mustami, Muhammad Muhammad Khalifah Mustami Muhammad Khalifah Mustami Muhammad Maslan Mustakim Mustakim Muthmainna, Nur Nur Alfisah Nur Hanisa, Andi NUR, FATMAWATY Nurhidayah Nurhidayah Nurhikmah Nurhikmah Nurjannah Nurjannah Pratiwi, Afryanti Rahmaniah Rahmaniah Ramadani, Kurnia Rasyid, Muhammad Rusdi Retno Prayudyaningsih Rezki Ramadani Djamaluddin Rini Anggraeni Rukmana, Rusmadi Rusli, Jumriani Rusny Rusny Sakinah Sakinah Sijid, St Aisyah Sijid, St. Aisyah Sinar Wahyuni Siska Tri Desianti Siti Rabiatul Adawiyah Siti Rabiatul Adawiyah, Siti St Aisyah S St. Aisyah Sijid Sukmawaty, Eka Suryaning Amanda, Sabilla Syahrul Gunawan Tridesianti, Siska Ulfa Nur Alfriani Amir Ulfa Triyani A Latif Ulfa Triyani A Latif, Ulfa Triyani A Wahdaniyah Wahdaniyah Wirawan, Hadi Purnama Yuniar Harviyanti Yusminah Hala Zainuddin, Dhea Nanda Zulkarnain ZURAIDAH ZURAIDAH