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Journal : Salaga Journal

Effects of Blanching Pretreatment on the Quality Attributes of Freeze-Dried Red Dragon Fruit (Hylocereus costaricensis) Ramadhani, Nur Fitri; Ramadhani, Junaedi Muhidong; Mursalim, Mursalim; Waris, Abdul; Intan Permata Hati, Febriana
Salaga Journal Volume 03, No. 2, December 2025
Publisher : Program Studi Teknik Pertanian Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70124/salaga.v3i2.2144

Abstract

Freeze drying is an effective method for preserving heat-sensitive fruits such as dragon fruit (Hylocereus costaricensis) by removing moisture through sublimation. This study aimed to evaluate the effect of blanching pretreatment on the quality attributes of freeze-dried dragon fruit, including moisture content, color, total soluble solids (TSS), and texture. A completely randomized design with two treatments (blanched at 90°C for 3 minutes and unblanched) and three replications was employed. Samples were cut into 1 mm and 3 mm thicknesses and freeze-dried at –50°C and 20 Pa for 24 hours. Results showed that blanching significantly reduced moisture content (final difference ≈1%), but also led to greater color degradation (lower L∗  and a∗  values, higher ΔE) and softer texture compared to unblanched samples. TSS values were lower in blanched samples. In conclusion, blanching enhances drying efficiency but compromises color, texture, and soluble solids retention in freeze-dried dragon fruit.
Co-Authors A. Gani, A. AA Sudharmawan, AA Abbas Abbas Abd Muis Abd. Rasyid Syamsuri Abduh, Latif Muh. Abdul Azis Abdul Muiz Amir, Abdul Muiz Abdul Waris Abubakar Idham Madani Achmad Musyahid, Achmad Addriana Bulu Baan Adekamwa, Adekamwa Adhiyati Saira, Arfianti Adi Sucipto, Adi Adrianus, Nopli Afriansyah, Indra Afrianto, Afrianto Agustina, Sitti AHMAD MUNIR Ahmad Salim, Ahmad Ahmad Yulianto Ahmad Zubaidi Ahmad, Khairin Akhbar Akhbar Alfian Rokhmansyah Ali, Lutfi Aliyah, Sofiyatil Alman, Alman Amal, Khusna Amal, Muhammad Ihlasul Amalia, Anugerah Fitri Aman, Andryanto Amir, Andi Achdiati Amiruddin Amiruddin Amran Amran Andi Warisno Anggiratih, Endang Anis, Andi Alfa Novitasari Anis, Muh. Annur, Delaina Arfah, Aryati Arianto Arianto Arif Arif Arif Fadillah Arifin, M Bahri Arifin, Syaiful Arista, Wisdar Armah, Zulfian Artati, Artati Askar, Muhammad Ichfan Asriyana, . Asrul Asrul Astuti, J Astuti, Nurhikmah Dwi Asyrafi, Muhammad Attamimi, Muhammad Iqbal Awaliyah, Neneng Azizah Mirdin, Andi Azzah Bagas Dwi Yulianto Basri Modding Basri, Andi Cahaya Laela Basri, Yusriadi Hasan Budiono, Putri Amalia Bunyamin Maftuh Butsiarah Carmila, Selly Dwi D., Dahri Dahri Dahlan, Dahri Desy, Winda Oktovina Diah Ayu Gustiningsih Dinali, Lipran Djasang, Syahida Djasang, Syahidah Djunaid, Syafaat Elly Warni Fajrianto, Wahyu Faruq, Muhamad Fidyarini, Lailly First Wanita, First Frans, Richard Fuad Fansuri Gunawan Gunawan H, Muhammad Rizal Hae, Veronika Haerani Haerani Halimi, Dwiki Nur Hamzah Ahmad, Hamzah Hamzah, Muhammad Fadhil Hamzah, Muhammad Yasser Hanandita, Sisca Tiara Hanum, Irma Surayya Harfiani, Harfiani Hartina, Rini Darianti Hasanah, Chici Faradillah Hasbiyadi, Hasbiyadi hasnia, Hasnia Hasriani Muis Hermawati Hermawati, Hermawati Hudriansyah, Hudriansyah Husain, Muhammad Zakir Bin Ibnu Khaldun Ikhsan, Ahmad Nur Ilham Ilham Iman, Imanuddin Imanuddin Imanuddin, Imanuddin Indonesia, Indonesia Indrayanti, Indrayanti Indriani, Nia Indrianto, Iin Inka Nusamuda Pratama Intan Permata Hati, Febriana Iqbal Iqbal iqbal salim Irani, Ade Yunita Isnaeny, Amira Iswavigra, Dwi Utari Izzuddin, Washif James, Ernny Jaya, Amir Juan, Ambrosius Juffrie, Muhammad Julia Julia Julianty Sidik Tjan Junaedi Muhidong Junaid, Asriani Jurianto Jurianto Kalangi, Hendry Kamaluddin Kamaluddin Karnay, Sudirman Kasmini, Nini Khotibul Umam Khotim, Khusnul Kumalasari, Iga Kunzita Lazuardi Kusnendi, Faizal Shofwan Latif, Nuraida Lena, Nur M Sabir, Fitriana M. Khusna Amal M. Rusydi Ahmad, M. Rusydi M. Yogi Riyantama Isjoni Mahmudah, Himmatunnisak Mahrus, Moh Mahsup, Mahsup Mar'atullatifah, Yulaikha Mardainis Mar’atullatifah, Yulaikha Masrohatin, Siti Masrum, Ari Ardiansyah Mau, Muliadi Merdekawati, Eka Misno Misno, Misno Mochaimin, Moch Rofik Moh. Sahlan Mole, Martia Soa Muh. Jabir Muhajirin, Muhajirin Muhammad Ilyas Muhammad Luthfi MUHAMMAD RIZAL Muhibbin, Muhibbin Muhsin, Muh. Khusnun Muhsin, Muhammad Khusnun Murtadlo, Akhmad Murtafiah, Nurul Hidayati Musadiq, Ahmad Musliadi Musliadi Mustofa Mustofa Mutmainna, Mutmainna Muttaqin, Moch. Nurhidayatul NATALIA KRISTIANI Nenny Sri Mulyani nuradi, nuradi Nurdin Nurdin Nurfadillah Nurfadillah Nurfianti, Fifi Nurhasanah Nurhasanah NURINDAH NURINDAH Nurnia, Nurnia Nursuriyawati, Nursuriyawati Nursusilowati, Indah Nurwanah, Nurwanah Pala, Nurul Parewe, Andi Maulidinnawati Abdul Kadir Parhan, Parhan Perdana, Ariful Ma'ruf Permata, Desy Helma Pramukti, Andika Prasetyo, Deny Pratama, Dentia Hady Pratama, Ridho Pratma, Jordan Nusti Purba, Fransiska Natalia PURWANTI PURWANTI Puspasari, Novela Putri Putri, Rika Ilma Putri, Widhari Rachman, Muhammad Fathur Rafika Rafika Rahayu, Desti Rahmad Hidayat Rahmatang, Rahmatang Rahmatullah Rahmatullah Ramadhani, Junaedi Muhidong Ramadhani, Misbahul Raohun, Siti Ratnasari Ratnasari Ratnawati Ratnawati Rd, Yogie Wijaya Renaldi, Vicky Rinaldi, Muh. Rismayani Rismayani Rizal H, Muhammad Rizal, Muh Rodliyah, St. Roziq, Fadlu RR. Ella Evrita Hestiandari Rusmana, Memet Sabri Hasan Safruddin Edi Wibowo Sagirah, Sitti Sahrul, Sahrul Salinda, Salinda Salsabila Andini, Zhafira Samirin, Endang Tri Novianty Samiun, Samiun Saputra, Febri Hidayat Sari, Eka Dewi Lukmana Sari, Norma Atika Sasmita, Nita Selong, Abbas Serliana, Serliana setiawan, very dwi Siam, Siam Sidik Tjan, Julianty Sidiq, Sultan Muhamad Simatupang, Erna Wati Siti Patimah Sitinurmala, Sitinurmala Sitisaini, Sitisaini Sitti Nur Faridah Soebahar, Halim Solehun, Solehun Sonia Sonia, Sonia Su'un, Muh. Su'un, Muhammad Suartini, Suartini Subakri Subakri Sulehu, Marwa SULFIANA, SULFIANA Sulihing, Resky Nadila Sulistriani, Jenny Supratomo, Supratomo Supriatna, Mamat Suriyasti, Wahyu Suryani Wijaya, Ida Suyahman Suyahman Su’un, Muh. Syafira, Alda Syahrir, Sasmita Nabila Syamsiar, Syamsiar Syamsul Rijal Taiboko, Dhea Monica Tamra, Tamra Tanduklangi, Amri Tanduklangi, Amri Taufik Hidayat Taufikhidayat, Taufikhidayat Thioritz, Stevy Titis Sari Putri Tjiwanda, Antonius Agusto ulfa, mutia Useng, Daniel Usman, Ammar Fadil Utari Iswavigra, Dwi Uun Yusufa, Uun Veronica, Eva Wahyudi Yamin, Adam Wahyudi, R. Firdaus Wicaksono, Ardy Wicaksono, Nicky Gilang Wijayanti, Nani Wilianti, Regina Wisda, Wisda Yassir Yassir Yaumil Fachni Tandjungbulu Yudhi Lestanata Yulia Indrawati Yulianti Yulianti Yusran Yusran Yusuf, Andi M Zainuddin, Zainuddin Zairina, Nuren Zulfahmi MD, Sarwo