Judul: Studi Pembuatan Dodol Tapai Talas Belitung (Xanthosoma Sagittifolium)
Abstrak: Dodol, one of Indonesian traditional food, is very familiar among Indonesian, like dodol from Garut, jenang from Kudus, or suwar-suwir from Jember. Dodol is an intermediate moisture food (IMF) that has 0.60-0.80 water activity (Aw) which could trigger mold and yeast growth and make this product has short shelf life. Taro belitung dodol was made with 2x2x2 cm dimension of taro belitung that has been fermented in 36 hours, rice flour, and sugar. This study used three degrees of sugar concentration treatments 30%, 40%, and 50% sugar concentrations using taro weight as basis. These were evaluated by 70 untrained panelists. The result showed that formula with 30% sugar was selected best. This formula was used for further analyses, such as pH, total titratable acid (TTA), water activity (Aw), texture analysis, proximate analysis, and visual microbes observation. Chemical analysis showed that fermented taro dodol has pH value 5.56 and has TTA 76.23 ml NaOH 0.1 N/ 100 ml sample solution. The fermented taro dodols have 40 days shelf life before microbes growth in and sensory deterioration at 19 days storage
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Judul: Perbaikan Proses untuk Peningkatan Umur Simpan Dodol Talas
Abstrak: There are six main steps in this research, which is surveying UKM Sawargi, preparing the taro flour and grated taro, making the taro dodol, storaging the taro dodol in room temperature, analyzing the sample, and settling the shelf life of taro dodol. The analysis is divided into five parameters, which is aw, the penetrometer result, the acceptance sensory test of product in term of rancidity and texture, and the growth of mold. The result of this research is that taro dodol which made using taro flour is having longer shelf life compare to taro dodol which made using grated taro. The difference of shelf life is about 11 days, which is taro dodol from taro flour last for 32 days and taro dodol from taro grated last for 21 days. Meanwhile, the initial shelf life of taro dodol produced by UKM Sawargi is 10 days. The spoilage of taro dodol is indicated with the growth of mold which is visually detected. It makes the most critical parameter for the spoilage of taro dodol is aw with the limit of aw is 0.80.
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Judul: Integration of Islamic Stock Markets of OIC Countries Before and During the Russia-Ukraine War Crisis
Abstrak: Pasar saham yang terintegrasi memberikan dampak negatif seperti percepatan co-movement (pergerakan bersama) yang rentan terhadap guncangan ekonomi, maupun krisis pasar global ke pasar domestik. Salah satu krisis yang terjadi pada tahun 2022 adalah perang Rusia-Ukraina yang berdampak pada pasar saham, termasuk pada saham syariah yang dipercaya lebih tahan terhadap guncangan krisis global. Penelitian ini bertujuan untuk meneliti perkembangan, integrasi dan respon lima pasar saham syariah negara OKI pada perang Rusia-Ukraina. Metode yang digunakan adalah VAR/VECM pada indeks DJIMMT25, SPSADS, SPSUAEDS, JII, DJIMT, SPBMIR, dan SPBMIU. Hasil penelitian menunjukkan pergerakan yang sama pada pasar saham UAE dan Arab Saudi, sedangkan Turki mengalami tren positif selama perang. Pasar saham syariah negara OKI selama periode perang Rusia-Ukraina terkointegrasi, sementara pasar saham Malaysia memengaruhi pasar saham syariah empat negara OKI lainnya. Hasil IRF menunjukkan terdapat efek permanen pada volatilitas pasar saham syariah negara OKI akibat guncangan yang diberikan. Namun, respon volatilitas relatif kecil karena kontribusi guncangan lebih didominasi oleh pasar saham itu sendiri, An integrated stock market has negative impacts, such as accelerating co-movement, which is vulnerable to economic shocks and global market crises on the domestic market. One of the crises in 2022 was the Russia-Ukraine war which impacted the stock market, including Sharia stocks which were believed to be more resistant to the shocks of the global crisis. This study examines the development, integration, and response of OIC countries five Islamic stock markets in the Russia-Ukraine war. The method used is VAR/VECM on the DJIMMT25, SPSADS, SPSUUAEDS, JII, DJIMT, SPBMIR, and SPBMIU indices. The results show the same movement in the UAE and Saudi Arabia stock markets, while Turkey experienced a positive trend during the war. The Islamic stock market of the OIC countries during the Russia-Ukraine war was cointegrated. In contrast, the Malaysian stock market influenced the Islamic stock markets of the other four OIC countries. The IRF results show a permanent effect on the volatility of the Islamic stock market in OKI countries due to the shocks given. However, the volatility response is relatively small because the stock market itself dominates the contribution of shocks.
Keyword: co-movement, OIC, Rusia-Ukraine war, sharia stock market integration