Buah-buahan merupakan salah satu komoditas hortikultura yang bersifat mudah rusak (perishable) sehingga perlu penanganan pasca panen yang baik untuk mengurangi kerusakan dan pembusukan akibat serangan mikroba dan jamur selama penyimpanan. Peranan suhu rendah (suhu dingin) dapat mempengaruhi sifat fisik komoditi buah-buahan selama penyimpanan. Penyimpanan pada suhu dingin dapat memperpanjang umur simpan dan mempertahankan kualitasnya. Tujuan dari penelitian ini adalah mengetahui kombinasi suhu rendah dan lama penyimpanan terhadap sifat fisik buah pepaya seperti total padatan terlarut (TPT), susut bobot, tekstur, kadar air dan warna. Penelitian ini menggunakan rancangan acak lengkap faktorial. Faktor Suhu yang digunakan adalah suhu rendah 15oC dan suhu ruang 30oC sebagai kontrol, serta faktor lama penyimpanan buah pepaya selama 0, 3, 5 dan 7 hari. Hasil analisis sidik ragam menunjukkan bahwa terdapat interaksi antara faktor suhu rendah dan lama penyimpanan terhadap sifat fisik buah pepaya serta faktor suhu rendah dan lama penyimpanan berpengaruh signifikan jika dibandingkan dengan perlakuan penyimpanan suhu 30oC sebagai kontrol.

The study aimed to analyze the effect of commercial liquid smoke immersion on tofu production for 3 hours with chemical characteristics indicated such as water content, ash content, total microbes, and organoleptic test. The method used in this study is Completely Randomized Design with four treatments for 0, 3, 5, and 7-days storage using 0.5% of commercial liquid smoke. The ANOVA statistics indicates that three hours tofu immersion in liquid smoke significantly impacts on water content and ash content for 0, 3, 5, and 7-days storage. There was a significant increase of total microbes during storage period. The best treatment based on organoleptic test covering flavor, color, and texture was the treatment with 0 day tofu storage period.

Nutrizinc rice is a biofortified variety designed with the advantage of high specific nutritional value, especially at higher levels of zinc nutrition compared to Ciherang rice. The mineral zinc is useful for preventing stunting in humans, and to help protect the human immune system from the attack of the COVID-19 virus. However, this variety has just been promoted by The Assessment Institute for Agricultural Technology (AIAT, in Indonesian: Balai Pengkajian Teknologi Pertanian, BPTP) Gorontalo Province so people are still not familiar with this rice. Therefore, it is important to conduct research related to the analysis of the level of consumer acceptance aimed at knowing consumer preferences and attitudes towards the attributes of high-zinc nutritious rice. The study had 60 respondents who were chosen by chance (accidental). This study used Chi Square analysis (X2) to see the differences in consumer preferences for the attributes of high zinc nutritional rice with various cooking methods and the ratio between rice and water. Meanwhile, Fishbein Multi-attribute analysis was used to determine consumer attitudes towards the attributes of high-zinc nutritional rice. The results showed that the different methods of cooking and adding water to the rice did not significantly change the flavor, color, and aroma of the rice, on the contrary, it only changed the texture of the rice. The high-zinc nutritional rice that consumers like was rice that had a slightly sweet flavor, fluffier texture, bright white color, and has no odor. In addition, the color and texture attributes of rice with high zinc nutrition were the most dominant considerations compared to other attributes in deciding to buy or consume rice with high zinc nutrition.