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Journal : Journal of Emerging Science and Engineering

Production of high-antioxidant yoghurt using phycocyanin from microalgae Spirulina sp Rahma, Dhyeta Ulzana Zizi; Nurahman, Ghiyats Hafizh; Hadiyanto, Hadiyanto; Baihaqi, Rifqi Ahmad
Journal of Emerging Science and Engineering Vol. 1 No. 2 (2023)
Publisher : BIORE Scientia Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/jese.2023.9

Abstract

Yoghurt is a functional food product widely used to improve the digestive system in the body. Yoghurt fermentation usually uses lactic acid bacteria from the Lactobacillus bulgaricus, Streptococcus thermophilus, and Lactobacillus casei. Phycocyanin has been used as a natural dye for food, cosmetics, and medicine. Phycocyanin is a complex protein that can be an anticancer, antioxidant, and immunity booster. In this study, the effect of the number of additions of phycocyanin, storage time, and time of addition of phycocyanin to the antioxidant activity, protein, and organoleptic properties of the yoghurt produced. In this study, cow milk was pasteurized and fermented to become a yoghurt. Afterwards, phycocyanine was added to the yoghurt before being stored and analyzed. Spectrophotometric analysis was utilized to determine the antioxidant activity and protein content. An organoleptic test using a Likert scale was conducted to determine the product's suitability to consumer tastes. Increased phycocyanin concentrations were added (0, 0.25, 0.5, and 0.75 wt. %), resulting in a decrease in IC50 value of 8855.53, 5843.371, and 4147.548 ppm, which shows an increase in antioxidant activity. At the level of consumer preference in terms of taste, the most preferred is a concentration of 0.5 wt. %, while in terms of colour and aroma, at a concentration of 0.25 wt. %. While the longer the storage time (1, 3, and 5 days), the increase in IC50 value of 2777.111, 5179.547, and 5916.884 ppm, and there was a decrease in protein content in the sample. For the level of consumer preferences in terms of taste and aroma, the most preferred is variable with a storage time of 1 day, and in terms of colour, the most preferred at five days storage. The IC50 value in the variable with the addition of phycocyanin after fermentation is less than the addition after fermentation, which is 5351.865 ± 1606 and 3897.162 ± 1678 ppm. The protein content is higher when adding phycocyanin before fermentation. While yoghurt with the addition phycocyanin before fermentation showed higer consumer preference in terms of taste and aroma. In contrast, the addition of phycocyanin after fermentation is preferred in terms of colour. 
Co-Authors . Widayat Abd. Rasyid Syamsuri Abdillah, Rangga Fajar Abrar, Mukhlas Adi, Nelfia Adlini, Lisa Adnan, Fachri Agus Suprihanto Agusli, Agusli Aini , Nur Aji Prasetyaningrum Al Kadri, Hanif Ali Ali Ali Idrus Alkadri, Hanif Alkian, Ilham Andini, Tri Andora, Dona Andriani Widyastuti, Andriani Anggiany, Reisha Widia Anisa Putri, Ayu Anisah Anwar, Kamaliah Aqsha Naurah Assifah Aridem Vintoni Asbandi, Asbandi Asep Yoyo Wardaya Astafrina, Suci Astuti, Nur Azizah Rizki Aswati, Nurafni Atri Widowati Aurely, Anastasya Putri Ayu Ningrum , Tia Azrul, Azrul Baihaqi, Rifqi Ahmad Bambang Supriadi Bariroh, Tahyatul Bayu, Handoko Bestri, Rafikah Budianto, Irawan Arief Daharnis Daharnis dari, diana wulan Darmayanti, Rina Defi, Wahyu Fitrina Derana, Putik Bunga Dessy Agustina Sari Devara, Hafiz Rama Dewi Selvia Fardhyanti Dewi, Indahsari Kusuma Dewi, Shira Kirana Dharsono, Nikolaus Dharmawan Ditha Fitrialdi Putri, Ditha Fitrialdi Duti Volya Dyah Hesti Wardhani Eddy Haryanto Edward Surjono, Edward Efendi, Friska Ekawarna Ekawarna, Ekawarna Eko Kuntarto Elisa, Leni Elizabeth Tawlyn Bogar Ellisafny, Cut AP Elmanisar, Velnika Elvira, Junita Erlina Erlina Ermita Ermita Ernawati, Erna Ernita, Sri F, Farida Fadlizon Julian Farisa Ridha Mutiara Fauziah, Rini Febrianti, Sari Febrina, Weli Febrizon, Egi Fitri Nesya, Vivin Fitria, Yanti Fitria, Yanti Franz, Nicholas Fuad Muhammad Futuwwah, Farhan Gingga Prananda Gustituati, Nurhizrah Haidir, Haidir Hamdani Abdulgani, Hamdani Haniif Prasetiawan Haque, Amalia Harito, Christian Hayati, Hazimah Dzikra Hayati, Nikmah Herawani, Nelli Herawani, Nelli Heri Sutanto Hermawan Hermawan Herningrum, Indah Hidayat Ramli Inaku, Awaluddin Hurriyati, Hurriyati Husnah, Ismatul Hutabian, Edwin Iano, Taufik Ridho Ihsan Ihsan Indra Jaya Indryani, Indryani Irfan Ali, Irfan Irnanda, Ela irsyad, irsyad Islami, Febi Aurelia Izar, Julisah Jamaris Jamaris Jamiyah, Siti Janata, Emilia Jasrial Jasrial, Jasrial Julianty, Mega Kadri, Hanif Al Kamandjaja, Vimala Kango, Riklan Karlina Kasanah, Nur Kenedi, Ary Kiswanto Kevin Gunawan Khairani, Dinda Khairinal Khairinal Kurnia Saputri, Kurnia Kurniawan, Michael Radius Kurniawan, Romi Lestari, renda Linda, Silvia Citra LUDI PARWADANI AJI Lusi Susanti, Lusi Mardin, Asna Maria Ulfah Marlina Susanti Marlinda Marlinda Marta, Hilda Masbirorotni Masbirorotni, Masbirorotni Masrianda, Masrianda Matin, Hashfi Hawali Abdul Mega Iswari Meiny Suzery Melsa Nurjannah, Sonia Moh. Djaeni Muhammad Fadhil Muhammad Fajar Purnama Mukhlash Abrar Muspawi, Muspawi Nellitawati Nellitawati Nifriza, Ifna Nikmatullaili, Nikmatullaili Nofziarni, Aisyah Norita, Efi Noviyanti, Yenni Nur Azmi Alwi Nurahman, Ghiyats Hafizh Nurhayati Nurhayati Nurhizrah Gistituati Nurhizrah, Gustituati Nuria, Sarda Oktafiani, Vani Perwana, Putu Yuri Aristya Pongtuluran, Ezra Hartarto Pratama, Rastra Naufal Wahyu Prayuda, Yosifa Priyasta, Dwidharma Priyatno, Hendri Purwono Purwono, Purwono Putra, Redho Ade Putri, Riska Nanda Qathratun Nada, Annisa Rahma, Dhyeta Ulzana Zizi Rahmadini, Rahmadini Rahmawati, Milatul Raja, Melita Emas Lumban Rakyta Azalya Maura Asrie Ramadhani, Latifa Ramadhani, Tiara Khairunisa Nur Ratna Yuli, Desi Rifma Rifma Rusdinal, Rusdinal Rya Abdurachim, Henna Sa'adah, Fatkhiyatus Sabandi, Ahmad Sabyla, Firyal Alfairuz Santi, Narulita Santoso, Yulianto Sari, Novita Risna Seno, Abdi Septiawan, Reza Septrisia, Reni Simanjuntak, Egalita Fany Adlia Sinuhaji, Tubagus Rayyan Fitra Sofwan Sofwan Solfema Sri Irtawaty, Andi Sri Utami, Dinda Sudarno Sudarno Sufyarma Marsidin Suhaedi Suhaedi, Suhaedi Suhendra, Irwan Suherman, Suherman Sulardjaka Sulardjaka Sulastri Sulastri Sulistiyo Sulistiyo Sulistiyo, Urip Sulistyo, Urif Supitno, Reni Susilawati, Siti Sumilah Rita Sussatrio, Hardito Syafrudin Syafrudin Syahril Syahril Teguh Purnomo, Teguh Triyono Triyono Utami, Batina Yulia Variani, Herlin Vonlihana Putri, Ginta Wahyu Cesar, Wahyu Wallad, Naira Arifaizah Wicaksono, Vinsensius Priyo Widagda, Mikail Eko Prasetyo Widayati, Tri Utami Widiawati Widiawati Widiyawati Widiyawati Widya FATRIASARI Wilanda, Novia Sri Windarta, Djaka Wulandari, Diana Yahya Yahya Yalvema Miaz Yohana, Arzety Yoserizal Yoserizal Yudariansyah, Hadi Yulianti, Lili Yuliyandjaja, John Philia Zahra, Alya Nur Zainil, Melva Zakia, Hanifa Zikri, Ahmad Zulkarnaen, Joe Daniansyah Pahlevi Zulkarnain, Razef