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Pengaruh Lama Penyimpanan Biji Kopi Liberika pada Suhu Kamar terhadap Mutu Mikrobiologis dan Kadar Okratoksin A: The Effect of Storage Time of Liberica Coffee Beans at Room Temperature on Microbiological Quality and Ochratoxin A Levels

Life Science · Vol. 14 No. 1 (2025) · hlm. 55–68

DOI
10.15294/unnesjlifesci.v14.i1.5810
ISSN
2528-5009, 2252-6277
Terbit
2025-05-31
Penerbit
Universitas Negeri Semarang
Bahasa
eng

Abstrak

Liberica coffee is one of the leading commodities in several regions so it has quite high economic potential. Coffee beans can be stored for quite a long time, more than one year, even more than 4 years before going through the roasting process. However, during long storage periods coffee beans can be attacked by microorganisms such as mold (ochratoxigenic and non-ochratoxigenic). This research aims to determine the effect of storage time on the quality of Liberica coffee beans, both microbiologically and chemically. The benefit of this research is to provide information on the quality of Liberica coffee beans. This research is a laboratory experimental research. The long storage time for coffee beans was 36 and 39 weeks. The results of the research showed that the yeast mold rate (AKK) on Liberica coffee beans stored for 39 weeks was greater than those stored for 36 weeks. The increase in AKK during storage is thought to be due to the presence of insects, temperature and humidity factors. A total of three mold isolates were found at week 36 and there were six mold isolates at week 39. The percentage of fungal isolate attacks at both weeks 36 and 39 was dominated by fungi of the Mucorales order (Mucor sp. and Absidia sp.). In the 36th week the attack of Mucor sp. amounted to 36.67% while in the 39th week the Mucor sp attack. 20%. and Absidia sp. 23.33%. Ochratoxin A (OTA) levels from week 36 to week 39 did not increase but instead decreased. This occurs due to OTA degradation by ochratoxin-degrading molds which are thought to be Aspergillus sp. during storage.

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Ibnul MubarokAfiliasi tidak diketahui12
Talitha WidiatningrumAfiliasi tidak diketahui9
R SusantiAfiliasi tidak diketahui4
Ari YuniastutiState University of Semarang4
Retno Sri IswariState University of Semarang3
Saiful RidloState University of Semarang3
Sri SukaesihState University of Semarang3
Astrid FarmayatiAfiliasi tidak diketahui3
Lusi Maswahyu AndriyaniAfiliasi tidak diketahui3
SunyotoAfiliasi tidak diketahui3
Arif WidiyatmokoState University of Semarang2
Fidia FibrianaState University of Semarang2
Siti AlimahState University of Semarang2
Dwi Puji HayatiAfiliasi tidak diketahui2
Margareta RahayuningsihAfiliasi tidak diketahui2
Priyantini WidiyaningrumAfiliasi tidak diketahui2
Hasyim AbdurrasyidAfiliasi tidak diketahui2
Ghani WalandipaAfiliasi tidak diketahui2
Nana Kariada Tri MartutiAfiliasi tidak diketahui2
Nur Rahayu UtamiAfiliasi tidak diketahui2
Lidya Ayu NataliaAfiliasi tidak diketahui2
Sigit SaptonoState University of Semarang2
Parmin ParminState University of Semarang2
Maria Ayu PuspitaAfiliasi tidak diketahui1
Nunung Eni ElawatiAfiliasi tidak diketahui1
Ernallah YatiAfiliasi tidak diketahui1
Aura Tirsa MelindaAfiliasi tidak diketahui1
Rahimma Artantia AnandaAfiliasi tidak diketahui1
Dyah Rini IndriyantiAfiliasi tidak diketahui1
Nadya Wulan RamadhaniAfiliasi tidak diketahui1
Elfrida Theresia SiburianAfiliasi tidak diketahui1
Stella FlorensiaAfiliasi tidak diketahui1
Siti Harnina BintariAfiliasi tidak diketahui1
Nilam SyifaAfiliasi tidak diketahui1
Nana Kariada Tri MartutiState University of Semarang1
Fitria Ayu TirtaningrumAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/journals/UnnesJLifeSci/oai, pertama di-harvest 5 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Pengaruh Lama Penyimpanan Biji Kopi Liberika pada Suhu Kamar terhadap Mutu Mikrobiologis dan Kadar Okratoksin A: The Effect of Storage Time of Liberica Coffee Beans at Room Temperature on Microbiological Quality and Ochratoxin A Levels</dc:title>
	<dc:creator xml:lang="en">Ramadani, Mutiara Bintang</dc:creator>
	<dc:creator xml:lang="en">Dewi Mustikaningtyas</dc:creator>
	<dc:creator xml:lang="en">Siti Harnina Bintari</dc:creator>
	<dc:creator xml:lang="en">Pramesti Dewi</dc:creator>
	<dc:subject xml:lang="en">Liberica coffee beans</dc:subject>
	<dc:subject xml:lang="en">Microbiology</dc:subject>
	<dc:subject xml:lang="en">Ochratoxin A</dc:subject>
	<dc:description xml:lang="en">Liberica coffee is one of the leading commodities in several regions so it has quite high economic potential. Coffee beans can be stored for quite a long time, more than one year, even more than 4 years before going through the roasting process. However, during long storage periods coffee beans can be attacked by microorganisms such as mold (ochratoxigenic and non-ochratoxigenic). This research aims to determine the effect of storage time on the quality of Liberica coffee beans, both microbiologically and chemically. The benefit of this research is to provide information on the quality of Liberica coffee beans. This research is a laboratory experimental research. The long storage time for coffee beans was 36 and 39 weeks. The results of the research showed that the yeast mold rate (AKK) on Liberica coffee beans stored for 39 weeks was greater than those stored for 36 weeks. The increase in AKK during storage is thought to be due to the presence of insects, temperature and humidity factors. A total of three mold isolates were found at week 36 and there were six mold isolates at week 39. The percentage of fungal isolate attacks at both weeks 36 and 39 was dominated by fungi of the Mucorales order (Mucor sp. and Absidia sp.). In the 36th week the attack of Mucor sp. amounted to 36.67% while in the 39th week the Mucor sp attack. 20%. and Absidia sp. 23.33%. Ochratoxin A (OTA) levels from week 36 to week 39 did not increase but instead decreased. This occurs due to OTA degradation by ochratoxin-degrading molds which are thought to be Aspergillus sp. during storage.</dc:description>
	<dc:publisher xml:lang="en">Universitas Negeri Semarang</dc:publisher>
	<dc:date>2025-05-31</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unnes.ac.id/journals/UnnesJLifeSci/article/view/5810</dc:identifier>
	<dc:identifier>10.15294/unnesjlifesci.v14.i1.5810</dc:identifier>
	<dc:source xml:lang="en">Life Science; Vol. 14 No. 1 (2025): May 2025; 55-68</dc:source>
	<dc:source>2528-5009</dc:source>
	<dc:source>2252-6277</dc:source>
	<dc:source>10.15294/unnesjlifesci.v14.i1</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.unnes.ac.id/journals/UnnesJLifeSci/article/view/5810/4222</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 Life Science</dc:rights>
</oai_dc:dc>