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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) · pp. 55–68

DOI
10.15294/unnesjlifesci.v14.i1.5810
ISSN
2528-5009, 2252-6277
Published
2025-05-31
Publisher
Universitas Negeri Semarang
Language
eng

Abstract

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.

Keywords

Collaboration network of the authors

40 authors · 149 co-authorship links · showing the 40 most connected

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  • State University of Semarang
  • Affiliation unknown
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  • Same organisation
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Show as table
Co-authorOrganisationJoint articles
Ibnul MubarokAffiliation unknown12
Talitha WidiatningrumAffiliation unknown9
R SusantiAffiliation unknown4
Ari YuniastutiState University of Semarang4
Retno Sri IswariState University of Semarang3
Saiful RidloState University of Semarang3
Sri SukaesihState University of Semarang3
Astrid FarmayatiAffiliation unknown3
Lusi Maswahyu AndriyaniAffiliation unknown3
SunyotoAffiliation unknown3
Arif WidiyatmokoState University of Semarang2
Fidia FibrianaState University of Semarang2
Siti AlimahState University of Semarang2
Dwi Puji HayatiAffiliation unknown2
Margareta RahayuningsihAffiliation unknown2
Priyantini WidiyaningrumAffiliation unknown2
Hasyim AbdurrasyidAffiliation unknown2
Ghani WalandipaAffiliation unknown2
Nana Kariada Tri MartutiAffiliation unknown2
Nur Rahayu UtamiAffiliation unknown2
Lidya Ayu NataliaAffiliation unknown2
Sigit SaptonoState University of Semarang2
Parmin ParminState University of Semarang2
Maria Ayu PuspitaAffiliation unknown1
Nunung Eni ElawatiAffiliation unknown1
Ernallah YatiAffiliation unknown1
Aura Tirsa MelindaAffiliation unknown1
Rahimma Artantia AnandaAffiliation unknown1
Dyah Rini IndriyantiAffiliation unknown1
Nadya Wulan RamadhaniAffiliation unknown1
Elfrida Theresia SiburianAffiliation unknown1
Stella FlorensiaAffiliation unknown1
Siti Harnina BintariAffiliation unknown1
Nilam SyifaAffiliation unknown1
Nana Kariada Tri MartutiState University of Semarang1
Fitria Ayu TirtaningrumAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/journals/UnnesJLifeSci/oai, first harvested 5 Nov 2026, last seen 5 Nov 2026.
Original metadata (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>