Claim Missing Document
Check
Articles

Found 2 Documents
Search
Journal : Agrointek

PENENTUAN SIFAT TERMAL CABAI PUYANG (Piper retrofractum Vahl.) KERING PADA TIGA TAHAP KEMATANGAN La Choviya Hawa; Addieny Sugesti; Yusuf Wibisono; Siti Asmaniyah Mardiyani
AGROINTEK Vol 16, No 1 (2022)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v16i1.8996

Abstract

Dried cabya (Piper retrofractum Vahl.) is commonly used in making various types of herbs, spices, and cosmetic raw materials that require heating processes so that they require information on the value of thermal conductivity (k), thermal diffusivity (α), and specific heat (Cp). The thermal properties of dried cabya are affected by different phytochemical compositions at each maturity stage of the fruit. This study aims to determine and analyze the thermal properties and phytochemical content of dried cabya in three stages of green, orange and red maturity. Measurement of thermal diffusivity in this study uses the principle of onedimensional unsteady-state conduction heat flow using a vertical thermal diffusivity test. The value of thermal conductivity is determined indirectly by a calculation method based on the value of thermal diffusivity, specific heat, and density of the material. The thermal conductivity values of green, orange, and red paste cabya are 0.241 ± 0.016, 0.298 ± 0.005, and 0.344 ± 0.025 W/m°C. Reducing sugar levels in dried green, orange, and red cabya are 2.32 ± 0.16, 4.07 ± 0.13, and 6.44 ± 0.13 %, piperine levels are 2.42 ± 0.01, 1.97 ± 0.06, and 1.54 ± 0.05 %, and antioxidant levels are 87.15, 75.26, and 63.38 mg/mL. Based on the results of the study, red dried cabya have higher values of α, Cp, and k compared to orange and green because they contain higher levels of water and reducing sugars. However, red dried cabya have piperin and antioxidant levels which are getting lower
Pemodelan matematika pengeringan apel serut dengan perlakuan blansing dan non blansing berbasis energi surya Siti Asmaniyah Mardiyani; Dwi Susilowati Susilowati; Efendi S Wirateruna
AGROINTEK Vol 18, No 4 (2024)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v18i4.22269

Abstract

A drying technique utilizing solar energy on shredded apples as raw material for apple infusion has a reduced emission risk while also producing high-quality drying products.This study aimed to determine the optimum semi-theoretical mathematical model for drying shredded apples after blanching and non-blanching treatments utilizing three simple mathematical models: Newton, Henderson, Pabis, and Page. The results showed that blanched shredded apples dried using the Convective Solar Drying (CSD) method had the highest rate of decrease in the moisture ratio compared to those dried in the open sun drying (OSD). The three semi-theoretical models examined can be used to forecast the rate of decline in the water content ratio of dry shaved apples in all treatment combinations, as demonstrated by a value of R2 more than 0.9. Based on a comparison of the validity of each semi-theoretical model utilized, Page's model is the best model for characterizing the drying kinetics of shredded apples for both blanching CSD, non-blanching CSD, blanching OSD, and non-blanching OSD drying. The information acquired will be important in selecting an appropriate apple pretreatment handle and drying model for shredded apples.
Co-Authors , Sunawan A. R. Darmawan Putra Abbas, Toh Bagus Abdul Basit Addelia Shakilla Addelia Shakilla Addieny Sugesti Afriadi, Andre Ainul Yaqin Akhmad Faruq Alhikami Amar Syaf Pirain Amin Setyo Leksono Amin Setyo Leksono Anas Nasrudin Andre Afriadi Anis Rosyidah Anis Sholihah Assyfa, Isna Khofifah Aziz, Mahmud Abdul Azrina, Siti Nur Bajuber, Hasan Ainurridha A. Bakir Bakir Bambang Dwi Argo Brahmadhita Pratama Mahardika Buchori Muslim Buchori Muslim Cahyati, Ririn Delphia, Phila Desy Nofita Sari Dewi Ianah Dhea Alief Rahmasari dhea alief rahmasari didan faik fuadi Didit Hendrawan Diki Heru Frandika Dwi Susilowati Dwi Susilowati Dwi Susilowati Efendi S Wirateruna Eko Noerhayati Ena Marlina Fernandito Putra Khairuddin Frandika, Diki Heru gabrilla fergiawan listianto Hanif, Lulu Afifah Hardianti Safitri Hasan Ainurridha A. Bajuber Hazel Muhamad Hendrawan, Didit Indah Maulidiyah Indiyah Murwani Indiyah Murwani Indiyah Muwarni irwan yudha pradana Istirochah Pujiwati Jofita, Dinda Dara Koti, Suhartini La Choviya Hawa lucky handy ardiansyah M. Hidayatullah M. Hidayatullah Mahayu Woro Lestari Mahmud Abdul Aziz Maria Ulfah Mas'ud Said Mochamad Irvan Syahroni Mohammad Fadli mohammad zubaidil asrori Muhamad, Hazel Muhammad Ainul Yaqin Muhammad Anggi Tiar Nugraha Muhammad Bima Bintang Mulya Muhammad Zamik Sofa Mulya, Muhammad Bima Bintang Murwani, Indiyah Nikmatul Khoiriyah Nour Athiroh Nugraha, Muhammad Anggi Tiar Nurhidayati, Nurhidayati Panji Eka Sukmana Phila Delphia Pirain, Amar Syaf Qur'ania, Anita Qur’ania, Anita Ririn Cahyati Safitri, Hardianti Santi Nur Aini santi nur aini Selvyana Meilanian Anggraeni SITI MUSLIKAH Siti Nur Azrina Sofa, Muhammad Zamik Solid Sukari Sugiarto Sugiarto Sugiarto Sugiarto Suhartini Koti Sukari, Solid Sukmana, Panji Eka Sumardi Hadi Sumarlan Sumardi Hadi Sumarlan Sunawan Sunawan Suprapto, Bambang Syahputra, Vicky Tri TATI NURHAYATI Taufikurrahman Taufikurrahman Toh Bagus Abbas Trismawati, Trismawati Vicky Tri Syahputra Yazirin, Cepi yuni aulia agustin Yusuf Wibisono Zamarudah, Zuhanid Zuhanid Zamarudah Zuhanid Zamarudah