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Optimization of Adsorption and Desorption Time in the Extraction of Volatile Compounds in Brewed Java Arabica Coffee Using the HS-SPME/GC-MS Technique Lidwina Angelica Soetantijo; Hendrik O. Lintang; Heriyanto Heriyanto; Mitha Ayu Pratama Handojo; Tatas Hardo Panintingjati Brotosudarmo
Jurnal Kimia Sains dan Aplikasi Vol 25, No 2 (2022): Volume 25 Issue 2 Year 2022
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (539.38 KB) | DOI: 10.14710/jksa.25.2.49-55

Abstract

The headspace solid phase microextraction (HS-SPME) technique has been recognized as a reliable technique for characterizing the aroma profile of Arabica coffee beans. The amount and content of the detected volatile compounds depend on the volatile analyte extraction process with HS-SPME, namely the adsorption and desorption processes. However, the optimal extraction time in applying coffee volatile compounds is still limited. This research aimed to obtain the optimum adsorption and desorption time in analyzing volatile compounds in brewed Java Arabica coffee. The adsorption time was optimized for 20 to 60 minutes with 5 minutes desorption time. The desorption time was optimized from 5 to 45 minutes with a 20 minutes of adsorption time. There are 14 volatile compounds with a peak area percentage of more than 2% from adsorption and desorption optimization. The optimal adsorption time was 50 minutes, where there were 5 of 7 compounds with the most significant area, such as 2-furfural (29%), 2-acetyl furan (3%), 2-furfuryl acetate (6%), 5-methyl furfural (12%), and 2-furfuryl alcohol (14%). Meanwhile, the most optimal desorption time was 5 minutes which detected 12 compounds, while the other desorption time only detected eight compounds. Furfuryl formate (2%), pyridine (12%), and 2-furfuryl alcohol (14%) had a higher peak area than the other compounds at a desorption time of 5 minutes. The results showed the same number of volatile compounds at each adsorption time. In conclusion, the adsorption time did not affect the number of compounds detected as in the optimization of desorption time. Adsorption and desorption time is crucial in analyzing volatile compounds from coffee using the HS-SPME/GC-MS technique.
STUDI PERKEMBANGAN BISNIS SPIKOE RESEP KUNO SEBAGAI PANGAN SPESIALITI KOTA SURABAYA Kesuma, Birgitta Allison; Dawawrata, Anak Agung Ngurah Kenarya; Saleh, Mellisa Erika; Handojo, Mitha Ayu Pratama
Jurnal Pariwisata Vol 12, No 1 (2025): Jurnal Pariwisata
Publisher : LPPM Universitas Bina Sarana Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/par.v12i1.21906

Abstract

ABSTRAK Persepsi masyarakat sangat dibutuhkan sebagai pertimbangan dalam upaya mengklasifikasikan Spikoe Resep Kuno sebagai salah satu pangan spesialti Kota Surabaya. Tujuan penelitian ini untuk mengevaluasi persepsi masyarakat zaman sekarang terhadap beberapa aspek Spikoe Resep Kuno diantaranya keautentikan, kekhasan bahan baku, sejarah bisnis hingga peranan produk yang berpotensi sebagai salah satu pangan spesialti Kota Surabaya. Terdapat salah satu oleh-oleh autentik khas Surabaya yaitu Spikoe Resep Kuno yang memiliki keterkaitan dengan sense of place beserta dinamika budaya Kota Surabaya. Penelitian dilakukan dengan metode kuantitatif dengan melakukan pengolahan data dari hasil survei pada 275 responden yang berasal atau berdomisili di Surabaya serta keduanya. Survei dilaksanakan pada bulan Maret hingga April 2024 dengan kuesioner menggunakan media Google Form. Hasil penelitian yang didapatkan menunjukkan persepsi yang sangat positif dengan persentase lebih dari 90% dari setiap parameter yang diuji. Hal tersebut membuktikan Spikoe Resep Kuno memiliki potensi sebagai ikon kuliner Surabaya yang dapat dikembangkan lebih lanjut. Parameter dengan nilai tertinggi diantaranya kemudahan membeli oleh-oleh rasa (mean 4,44), aroma produk (mean 4,41) dan identifikasi Spikoe sebagai ikon Kota Surabaya (mean 4,39). Data yang didapatkan memberikan bukti bahwa Spikoe Resep Kuno dapat dikembangkan lebih lanjut sebagai pangan spesialti Kota Surabaya dan memiliki potensi pasar yang luas baik secara ekonomi maupun budaya. Kata Kunci : Pangan spesialti, Kota Surabaya, Spikoe Resep Kuno, Sense of place, Oleh-olehABSTRACT Public perception is crucial in considering the classification of Spikoe Resep Kuno as one of Surabaya's specialty foods. This study aims to evaluate contemporary public perception regarding several aspects of Spikoe Resep Kuno, including its authenticity, the uniqueness of its ingredients, business history, and its role as a potential specialty food of Surabaya. One of Surabaya’s authentic souvenirs, Spikoe Resep Kuno, is closely linked to the city’s sense of place and cultural dynamics. This research was conducted using a quantitative method by analyzing survey data from 275 respondents who are either residents of or currently living in Surabaya. The survey was carried out from March to April 2024 using a questionnaire distributed via Google Forms. The results indicate a highly positive perception, with over 90% approval across all tested parameters. This finding confirms that Spikoe Resep Kuno has significant potential to be developed further as a Surabaya culinary icon. The highest-rated parameters include ease of purchasing as a souvenir (mean 4.44), product aroma (mean 4.41), and recognition of Spikoe as a symbol of Surabaya (mean 4.39). The collected data provides strong evidence that Spikoe Resep Kuno can be further developed as a specialty food of Surabaya, with broad market potential both economically and culturally. Keywords: Specialty food, Surabaya City, Spikoe Resep Kuno, Sense of place, Souvenir