Based on the raw materials, inasua consists of two types namely inasua with sap and inasua without sap. Research of inasua with sap has never been done and considered as the novelty of this research. The sensory characteristics and shelf life of two types of inasua were different. The research aims to analyze the microbiological and physicochemical characteristics of two types of inasua during fermentation. The microbiological analyzes include the total number of bacteria and lactic acid bacteria, while physicochemical analyzes include temperature, pH, water activity, proximate analysis, salt, alcohol, histamine, amino acids and fatty acids contents. The total number of bacteria and lactic acid bacteria has decreased during fermentation. At the end of the fermentation the total number of bacteria and lactic acid bacteria inasua with sap were 3.2x107 CFU/g and 3.0x107 CFU/g, while inasua without sap were 5.4x105CFU/g and 3.5x105 CFU/g, respectively. The moisture, protein, alcohol contents and water activity decreased, otherwise the salt, fat, ash, amino acids, and fatty acids contents increased during fermentation. Generally, microbiological and physicochemical characteristics of inasua with sap was better than inasua without sap. The results of this research to improve the quality of this fermentation product in the future.

Inasua is a traditionally product of wet salt fish fermentation produced by Teon, Nila and Serua (TNS)

Nira aren (Arenga pinnata Merr) merupakan bahan dasar berbagai produk yang bernilai ekonomis, seperti gula aren. Pengolahan gula aren memerlukan nira segar sehingga masyarakat sering menggunakan berbagai pengawet untuk mencegah proses fermentasi. Penelitian ini bertujuan untuk mengetahui pengaruh bahan pengawet alami dan lama penyimpanan terhadap karakteristik fisikokimia nira aren. Desain penelitian yang digunakan adalah rancangan acak lengkap pola faktorial. Bahan pengawet yang digunakan adalah kulit buah manggis, kulit buah langsat, dan sabut kelapa, sedangkan parameter fisikokimia yang diukur adalah suhu, pH dan kadar gula. Penggunaan bahan pengawet dan penyimpanan tidak berpengaruh terhadap suhu, tetapi sangat berpengaruh terhadap pH dan kadar gula nira aren. Bahan pengawet terbaik adalah kulit buah langsat dengan penyimpanan sehari karena memiliki nilai pH dan kadar gula yang tinggi masing-masing 3.65 dan 3.0%. Petani sebaiknya menggunakan kulit langsat untuk mengawetkan nira aren.

Ambonese arrack is one of the traditional fermented beverage product in Maluku, Indonesia. The microbiological research of this beverage that is processed using coconut sap as raw material has never been done before. The research aimed to analyze the microbial succession and chemical characteristics during fermentation of Ambonese arrack. The sample of coconut sap was taken from traditional producer in Mahia village, Ambon. The dominant microbes in the fermentation of Ambonese arrack were Pichia polymorpha and Kloeckera javanica. The highest numbers of these two microbes was obtained after 15 hours fermentation (9.6 log Cfu/mL and 9.9 Cfu/mL, respectively). The sugar content decreased from 593.3 mg/L to 474.3 mg/L, whereas ethanol content increased from 0.0018 g/L to 0.0100 g/L. The pH value decreased from 4.70 to 3.10. The research has isolated indigenous microbes in Ambonese arrack fermentation which was considered as novelty. The bacteria that play a role in fermentation can be used as a starter in the fermentation of various beverage products, especially Ambonese arrack. The results of this research can improve the quality of this fermentation product in the future.

Inasua ikan babi (Ruvettus tydemani) adalah produk fermentasi ikan yang sangat digemari masyarakat Teon, Nila, dan Serua (TNS) di Maluku Tengah. Produk fermentasi ini diolah dengan menambahkan garam saja (inasua tanpa nira) atau garam dan nira kelapa (inasua nira). Inasua ikan babi sejak lama dikonsumsi masyarakat TNS tetapi karakteristik mikrobiologi dan kimia produk fermentasi ini belum pernah diteliti. Penelitian ini bertujuan untuk mendeskripsikan karakteristik mikrobiologi dan kimia inasua ikan babi untuk mengetahui kelayakan produk ini sebelum dikonsumsi. Analisis Mikrobiologi menggunakan metode hitungan cawan pada media Nutrient agar (NA), Mannitol Salt Agar (MSA), de Man, Rogosa and Sharpe Agar (MRSA) dan Eosin Methylene Blue Agar (EMBA) sedangkan analisis kimia meliputi uji kadar histamin, Total Volatile Base-Nitrogen (TVB-N), Trimethylamine-Nitrogen (TMA-N), asam lemak bebas dan mineral. Sebanyak 7 isolat ditemukan pada inasua tanpa nira, sedangkan inasua nira hanya ditemukan 6 isolat yang didominasi oleh Staphylococcus dan Bacillus. Kadar TVB-N dan TMA-N inasua tanpa nira sedikit lebih tinggi dibanding inasua nira, sebaliknya kadar histamin dan asam lemak bebas inasua nira lebih tinggi dibandingkan inasua tanpa nira. Secara umum inasua nira memiliki jumlah bakteri patogen lebih sedikit dibandingkan inasua nira, sebaliknya karakteristik kimia inasua tanpa nira lebih aman untuk dikonsumsi dibandingkan inasua nira.