INVENTORY OF ASPERGILLUS ON FEED MAIZE IN PADANG, WEST SUMATERA

Syuja, Kayla Azidhia (2023) INVENTORY OF ASPERGILLUS ON FEED MAIZE IN PADANG, WEST SUMATERA. Diploma thesis, Universitas Andalas.

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Abstract

Maize production in West Sumatra has increased from 2019 to 2021. However, as a commodity of food or feed, maize is very vulnerable to be contaminated by mold, such as the Aspergillus species, which is capable of producing mycotoxins. One reported case of rejection of maize as feed raw material by a feed company in West Sumatra was caused by aflatoxin content found to exceed government standards. Feed maize that is marketed is not necessarily free from Aspergillus contamination. Therefore, an attempt was made to inventory Aspergillus in feed corn circulating in Padang, West Sumatra, using survey and purposive sampling methods. Samples were dried maize that had been shelled, stored in open sacks, in good physical condition, and suitable for sale. Data were presented descriptively with tables and figures. Based on the results of isolation, screening, and identification. Obtained 9 different Aspergillus isolates with a total of 12 isolates from 3 sample locations namely Pariaman, Pesisisir, Pasaman. Isolates that were inventoried were A. aculeatus, A, flavus, A. oryzae, A. parasiticus, A. ruber, A. sydowii, A. terreus, A. versicolor, A. wentii. The presence of A. flavus in all three samples indicates the dominance of contamination by A. flavus. The presence of Aspergillus contamination in the samples shows that maize is not necessarily free from mold contamination. Key words: Maize Zea mays L, Aspergillus, Identification, macroscopic characteristics, microscopic characteristics.

Item Type: Thesis (Diploma)
Primary Supervisor: DR. PHIL. NAT. NURMIATI
Uncontrolled Keywords: Maize Zea mays L, Aspergillus, Identification, macroscopic characteristics, microscopic characteristics.
Subjects: Q Science > Q Science (General)
Q Science > QR Microbiology
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Biologi
Depositing User: S1 Biologi Biologi
Date Deposited: 12 Sep 2023 07:20
Last Modified: 12 Sep 2023 07:20
URI: http://scholar.unand.ac.id/id/eprint/213674

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