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Journal : Jurnal Teknologi Pertanian

ISOLASI DAN IDENTIFIKASI BAKTERI ASAM LAKTAT PADA FERMENTASI SPONTAN BIJI KOPI ROBUSTA ASAL BANTAENG Izmi Azhara; Muhammad Rais; Andi Sukainah; Reski Praja Putra
Jurnal Teknologi Pertanian Vol. 23 No. 1 (2022)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1098.007 KB) | DOI: 10.21776/ub.jtp.2022.023.01.5

Abstract

          Penelitian ini adalah penelitian eksperimen yang bertujuan mengisolasi bakteri asam laktat (BAL) indigenus yang terlibat dalam fermentasi spontan biji kopi robusta asal Bantaeng pada interval waktu fermentasi 0, 3, 6, 9, 24, 48, dan 72 jam serta untuk mengetahui aktivitas enzim dari isolat bakteri asam laktat indigenus sebagai upaya pengembangan kultur starter dalam fermentasi biji kopi secara terkontrol. Hasil penelitian menunjukkan isolasi berhasil dilakukan pada 37 isolat bakteri yang terlibat dalam fermentasi spontan biji kopi robusta. Hasil identifikasi sederhana yang dilakukan secara bertahap menunjukkan hanya 12 isolat bakteri yang bersifat katalase negatif, Gram positif, non spora, non motil, tidak menghasilkan gas (homofermentatif), tumbuh pada suhu 10 °C, 37 °C, 45 °C serta mampu tumbuh pada konsentrasi garam 4% dan 6,5%. Selanjutnya, 2 isolat BAL yang diisolasi pada waktu fermentasi 24 jam diuji lebih lanjut untuk dikembangkan sebagai kultur starter fermentasi biji kopi secara terkontrol. Kedua isolat BAL terpilih, yaitu BT24I1 dan BT24I2, diuji kemampuannya dalam menguraikan selulosa dan pektin. Hasil pengujian kualitatif menunjukkan kedua isolat BAL mampu menghasilkan selulase dan pektinase sehingga keduanya berpotensi dikembangkan sebagai kandidat kultur starter dalam fermentasi terkontrol biji kopi robusta dalam upaya pengembangan mutu dan cita rasa kopi                                                                 This study is an experimental study aimed at isolating lactic acid bacteria (BAL) indigenus involved in the spontaneous fermentation of robusta coffee beans from Bantaeng at fermentation time intervals of 0, 3, 6, 9, 24, 48, 72 hours and to find out the enzyme activity of the isolate of indigenus lactic acid bacteria as an effort to develop a starter culture in controlled coffee bean fermentation. The results showed that isolation was successfully carried out on 37 bacterial isolates involved in spontaneous fermentation of robusta coffee beans. The results of a simple identification carried out gradually showed only 12 bacterial isolates that were catalase negative, Gram positive, non spore, non-motile, non-gas-producing (homofermentative), growing at temperatures of 10 °C, 37 °C, 45 °C and able to grow at salt concentrations of 4% and 6.5%. Furthermore, 2 BAL isolates isolated at the fermentation time of 24 hours were further tested to be developed as a controlled coffee bean fermentation starter culture. The two selected BAL isolates, BT24I1 and BT24I2, tested their ability to decompose cellulose and pectin. Qualitative test results show that both BAL isolates can produce cellulase and pectinase so that both have the potential to be developed as candidates for starter cultures in controlled fermentation of robusta coffee beans in an effort to develop the quality and taste of coffee.
Co-Authors A. Dwi Asri Yanti A.Mughni Sani Adil Adil, Adil Afiifah, Azzah Agum Marsaude Akram Mukhlis, Andi Muhammad Alamsyah, Andi Amirah Mustarin Amiruddin Amiruddin Amiruddin Hambali Andi Alamsyah Rivai Andi Citra Islamiah Andy Hermawan Anindita Mujahidah Annisa, Khaerung Antri Jayadi Asdar Asdar Asis Asis Asnidar Asnidar Badaruddin Anwar BAKHRANI RAUF Basir, Al Qadri Diyahwati Diyahwati Elite Gizwati Samudry Emi Mastura Entengo, Reflin Ervi Novitasari Fadilah, Ratnawaty Faisal Sahruddin Fatma wati Fauzi, Andi Akhmad Febiayanti, Reski Fifi Alfiana Hambali, Amiruddin Herawaty, Indah Heriana Hidayat, Ilman Husain Syam Husni Husni Iin Novianti Nur Ikhwan, A.Fadly Nur Indah Herawati Indrawati, Sriwulan Indrayani Indrayani Indrayani Indrayani INDRAYANI INDRAYANI Irdan Syam Irma Yulianti Irmayuni, Endang Irwan Irwan Izmi Azhara Jamaluddin Jamaluddin Jamaluddin Jamaluddin Jamaluddin Jamaluddin Jamaluddin P Jamaluddin P Jamaluddin P Jamaluddin P, Jamaluddin P Jayadi, Faisal Kadirman Kadirman Karmila Karnila Puspita Sari Khaidir Rahman Lahming Lahming Lahming Lahming Lahming Lahming, Lahming Lahming, Lahming Lestari, Nunik M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Mahfud, Firda Latifah Rahayu Malibun, Fais Bintang Mansur, Suci Rahmadani Marhayati Marhayati Marianti, Marianti Mohammad wijaya Mohammad WIJAYA Muh. Rais Muhammad Alwi Akbar Muhammad Irfan Muhammad Rais Muhammad Wiharto Muhsin Muhsin Mukhlis, Andi Muhammad Akram Mundariyah, Mundariyah Ninik Rahayu Ashadi Novitasari, Ervi Nuh, Rizqi Nur Indah Nunik Lestari Nunung Nurhidayah Nur Amin Mangka Nur Rahmah Nur Rahmah Nur Rezqi Amaliah Nurbaya Nurbaya, Nurbaya Nurhayati Nurhayati Nurhayati Tanra Nurkhaerani Taufiq Nurlaila Nurlaila Nurmila Nurmila Nurmila, Nurmila Nurmila, Nurmila Nurul Charismawaty Sabir Nurul Fuadi Patang Patang Patang Patang Patang Patang Patang Patang Patang, Patang Ponno, Yahya Zeth Putra, Reski Praja Putri Pratiwi Rahman, Khaidir Rahmatulwasyiah, Rahmatulwasyiah Rahmiah, Andi Nur Ramli, Hartini Ratna Sari Ratnawaty Fadilah Ratnawaty Fadilah Rauf, Reski Febyanti Reski Febyanti Rauf Reski Praja Putra Reski Praja Putra Reski Praja Putra reza arianto sultan Rezky Awaliah Rizky Indah Pratiwi Rosmawati Rosmawati Sampebua, Delfianti Samsuar, Samsuar Saolan Saolan Sarvika, Devi Satriani Satriani Sinar, Purnama Subari Yanto Subari Yanto Subari Yanto Sucitra Sucitra Sudarmin, Nur Fajriani Arifuddin Sudirman, Nurafni Apriani sukmawati Sukmawati Sukmawati Sulfiani, Sulfiani Sumardana, Gede Syahri Fadhila Al-Farid Syam, Husain Syamsurijal Syamsurijal Tawakal, Intan Syafinaz Mohamen Amin Ummi Syahda Daris Wahyudi, Rezky Wahyuni, Sri Nur Wijaya, Muhammad Yanti, Devi Novi Yanto, Subari Yanto, Subari Yasa, Wayan Kamar Yasir, Khaerunnisa Yeni Yuliawati Yuli Sasmita Yuliadi Yuliadi Yulianti Yulianti Yunarti Yunarti