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Journal : Analit: Analytical And Environmental Chemistry

ANALYSIS OF ASCORBIC ACID AND BORAX USING PURPLE SWEET POTATO EXTRACT AS A COLORIMETRIC SENSOR IN FOOD AND DRINKS USING DIGITAL IMAGES As-Salimah, Ainun Mardiyah; Sutarno, Sutarno; Yani, Ariefa Primair; Karyadi, Bhakti; Firdaus, M Luthfi
Analit : Analytical and Environmental Chemistry Vol. 9, No. 01 April (2024) Analit : Analytical and Environmental Chemistry
Publisher : Jurusan Kimia FMIPA Universitas Lampung

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Abstract

The addition of ascorbic acid and borax to food and drinks if it exceeds the threshold limit can have dangerous effects on consumers. This research aims to create a simple and fast but accurate method for analyzing ascorbic acid and borax, using purple sweet potato extract as a colorimetric sensor and quantitative analysis using digital images. The results of the digital image have an accuracy of 99% with LOD (Limit of Detection) of 1.96% and LOQ (Limit of Quantity) with a value of 6.53% for ascorbic acid. As for borax, the LOD is 0.54% and the LOQ is 1.78%. Semi-quantitative tests for ascorbic acid and borax in food and drinks can be carried out using a cotton test kit. The wet noodle food sample tested (purchased from around the Bengkulu University campus) was proven not to contain borax because there was no color change. However, the packaged drink tested positive for ascorbic acid as indicated by a color change from purple to pink.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Rahman Singkam ACENG RUYANI Adriataspen, Milzen Afrizal Mayub Alif Yanuar Zukmadini Alif Yanuar Zukmadini anjelie, Anggi Apriansyah, Rapi Aprina Defianti ardana, Rendy Wikrama W Arestu, Olyvia Oshi Ariefa Primair Yani Ariefa Primair Yani Arrosid, Muhammad Reza Arsela Eko Listiono As-Salimah, Ainun Mardiyah Asrati, Sirtika Aswin, Pani Bambang Prayogo, Bambang Bramastia Budiyanto Budiyanto CHOIRUL MUSLIM Dara, Niki Dwi Dia Defianti, Aprina Deni Parlindungan Detty Fitriani Devicawati, Devicawati Dewi, Novi Ratna Ekaputri, Rendi Zulni Elsi Adelia Fitri Elza Heryensi, Elza Heryensi Endang Widi Winarni Endang Widi Winarni Erna Yunita Sari Euis Nursa’adah Fahmizal, Fahmizal Fanisah, Kiki Faritzah, Chika Putri Febrianti, Een Suci Fema Anggriani Fidia Fibriana Fira Pratiwi Firdaus, M Luthfi Hardiansyah, Akbari Haryono, M. Hasbi Henny Johan Henny Johan HERNANI - Heryensi, Elza ICE PURNAMAWATI Indarini Dwi Pursitasari Indra Sakti Irdam Idrus Irwan Koto, Irwan Irwandi Ansori Irwandi Ansori Iwan Setiawan Julianti, Apri Kasrina Kasrina Kurniasih, Septi Laberta, Tinu Lestari, Dita Indah Lina Mahardiani M. Lutfi Firdaus, M. Lutfi Marliansa, Meiredo Maulana, Yudi Mayub, Afrizal Meri Suterisni Muhammad Farid Mustika, Reni Neni Murniati Nirwana Novianjani, Mutiara Nur Farida Nurhamidah Nurma Yunita Indriyanti Nurohma, Siti Nursaadah, Euis Nursa’adah, Euis Panjaitan, Anton Parlindungan, Deni PUJI LESTARI Putriani, Eli Puyanti, Puyanti Raden Mohamad Herdian Bhakti Rahmadaniya, Novita Lola Rendy Wikrama Wardana Riezky Maya Probosari Rinda Fitri Handayani Riska, Dara Rochman, Syaiful Roleka Julia Marcellina Ronggo Waskito, Jefri Roni Sastiawan Rosdiantini, Rosros Ruyani , Aceng Sagita, Fitria Saputra, Fajar Eko Sari, Ayu Shinka Permata Sari, Ega Dwi Permata Sari, Fenty Fitrian Sari, Nurma Yunita Sembiring, Evata Disolva br Setiawati, Nindya Puri Shabrina, Annida Nurul Sihite, Nadia Okta Kristiana Sri Irawati SRI RAHAYU Sudirman Sudirman Sukarso, A.A. Sumiyati - Sutarno Sutarno Sutarno Sutarno, M Sutarno, M. Syaiful Rochman Taufik, Annisa Novianti Triana, Dini Fajar Uliyandari, Mellyta Umaya Utami, Gita Nita Wahyuningsih, Endah Tri Wardana, Rendy Wikrama Wiryono Wiryono Wiwit Trisnawati Yani, Rita Fitri Yennita Yosie Andriani Yulianingsih, Elysabet Yulinda Fitriani Zahrani , Arifah