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ANTAGONISTIC EFFECT OF YEAST, ACETIC ACID BACTERIA AND MANGOSTEEN RIND EXTRACT ON AFLATOXIGENIC Aspergillus flavus IN UNFERMENTED COCOA BEANS Nurfadila, Nijma; Sutrisno, Sutrisno; Ahmad, Usman; Samsudin, Samsudin
BIOTROPIA Vol. 28 No. 3 (2021): BIOTROPIA Vol. 28 No. 3 December 2021
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2021.28.3.1362

Abstract

Yeasts and bacteria are two of common biocontrol agents to control mycotoxigenic fungi, meanwhile the mangosteen rind exract has xanthone and gartanin compounds for antioxidant, antiproliferation, antiinflammation, antimicrobial, and anticancer. The objectives of this research are to test the effects of yeasts, acetic acid bacteria (AAB), and mangosteen rind extract on the aflatoxigenic Aspergillus flavus growth and aflatoxin production in unfermented cocoa beans. Four yeast isolates, i.e. Issatchenkia orientalis (Io) BIO 211291, 286 and 288, and Endomyces fibuliger (Ef) BIO 132219; one bacteria isolate of Acetobacter aceti (Aa) FNCC0016; and mangosteen rind extract (MRE) were tested for their capabilities in inhibiting an aflatoxigenic A. flavus (Af) BIO 3361/747 growth using the well method (in vitro). Two yeast (Io BIO 211291 and 288) were combined with Aa and MRE in cocoa beans (in vivo). Aflatoxin production was analyzed using Thin Layer Chromathography (TLC). The result showed that interaction of Io BIO 211291 and 288, and Ef BIO 132219 on aflatoxigenic Af were interaction with inhibition zone ≥ 2 mm (type D), while the interaction type of Io BIO 211286 on Af were mutual intermingling growth, where both fungi grew into each other without any macroscopic sign of interaction (type A). The best treatment in agar media (in vitro) was Io BIO 211288 + Aa on Potato Dextrose Agar + 12 g/l MRE. The highest Io population was 5.88 log cfu/g on cocoa beans inoculated by Io BIO 211291 + MRE in 1 day after inoculation, while the highest A. aceti population was 4.74 log cfu/g on cocoa beans with Io BIO 211291 + BIO 211288 + Aa  in 3 days after inoculation. Two best treatments were Io BIO 211288 + Aa + MRE and Io BIO 211291 + BIO 211288 + Aa + MRE, because there were no A. flavus population since 3 until 11 days after inoculation. Aflatoxin in all samples treatment was lower than limit detection B1 (< 2.20 ppb),  B2 (< 3.50 ppb), (G1 < 0.54 ppb), dan (G2 < 1.00 ppb).  
Co-Authors . Asmirah . Sabihah . Yulianingsih Abdul Kadir Abdul Malik Iskandar Adi Sutrisno Ahiruddin Ahiruddin Ali Djamhuri Ardiansyah, Nike Aris Purwanto Armansyah H. Tambunan Arshiya Subhani Asmiatiningsih, Sri Azus, Faidah Baskara Edi Nugraha Christina Winarti Dedy Wirawan Soedibyo Dentaka, Dentaka Desrial Diding Suhandy Dwi Dian Novita Dwi Pamungkas Bermani Dyah Wulandani Efi Toding Tondok Eko Heri Purwanto Emmy Darmawati Enrico Syaefullah Evi Savitri Iriani Fahim Muchammad Taqi Fahmi Riadi Fajar Kurniawan Fajar Kurniawan Firdaus, Jonni Hadi K Purwadaria Haeril, Haeril HALIM, HARIFUDDIN handayani, yossi Hani Fildzah Nadya Harifuddin Harifuddin, Harifuddin Hendra Hendra I Dewa Made Subrata I Wayan Budiastra Iftikhar Alam Khan Imam, Sadrul Iman Sabarisman Indradewa, Rhian Inge Scorpi Tulliza Iptidaiyah, Muhamad Jati Sumarto Putro Jonni Firdaus, Jonni Junaidin, Junaidin Khalimatus Sa&#039;diyah Krah, Courage Y. Kudang Boro Seminar Lilik Pujantoro Lilik Pujantoro Eko Nugroho Lu’lu’i Zulaikho Lydia Ariani Mar'atus Sholihah Mardison Suhil Meika Wahyuni Azrita Meivie Lintang Mohamad Rafi Mohamad Rahmad Suhartanto Mohammad Irfan Monika Marpaung Mudho Saksono Muhammad Masdar Muhammad Sudirman Akili Muhammad Yusuf Antu MUHAMMAD YUSUF ANTU Nadya, Hani Fildzah Nanda Supriana Nanda Wisha Ranawati Nelwan, Leopold Oscar nFN Sarastuti nFN Sutrisno nFN Sutrisno Nijma Nurfadila, Nijma Nikmatul Hidayah Nofiyanti, Sri Handayani Novita Sari Nugraha Edhi S Nugraha Edhi Suyatma Nur Rahma Refilia Nur ‘Azah Putri Wulandari Zainal Putri, Irriwad Ranawati, Nanda Wisha Rizka Wildani Rokhani Hasbullah Rosadi, Ariani Rosyid Ridho Rudy Tjahjohutomo Samsudin Samsudin Samsudin Samsudin Samsudin Samsudin Samsudin Saputri, Diah Ega Sarastuti Sarastuti Sarastuti, Sarastuti Selvi Marcellia Siregar, Gokma Ampetua Siti Mariana Widayanti Sjahrul Annas Slamet Ari Dwi Ratnanto Slamet Widodo Slamet Widodo Slamet Widodo Sri Lestari Sri Widowati Suci Rahmi Sukrisno Widyotomo Suroso . Sut risno SUTRISNO Sutrisno . Sutrisno . Sutrisno Sutrisno Sutrisno, Sutrisno Syamsuddin Syamsuddin Tasrif Tasrif Verra Mellyana Waqif Agusta Wawan Hermawan Wendianing Putri Luketsi Wulansetiasari, Rizky Yusianto Yusianto