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Journal : Usadha

Penentuan Kadar Total Flavonoid Pada Ekstrak Bunga Kenop (Gomphrena globosa L.) Dengan Metode Spektrofotometri UV-VIS Cahyaningsih, Erna; Dewi , Ni Luh Kade Arman Anita; Yuda, Putu Era Sandhi Kusuma; Irlangga, I Gusti Ngurah Agustia Adi Surya Taksu
Usadha Vol 4 No 3 (2025): Usadha : Jurnal Integrasi Obat Tradisional
Publisher : Fakultas Farmasi Universitas Mahasaraswati Denpasar

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Abstract

Flavonoids are phenolic compounds widely distributed in plants and are well known for their antioxidant activity, which plays an important role in preventing degenerative diseases. One plant with potential as a flavonoid source is the globe amaranth flower (Gomphrena globosa L.), which has been traditionally used and reported to exhibit various pharmacological activities. This study aimed to determine the total flavonoid content of globe amaranth flower extract grown in Bali. Extraction was carried out using the maceration method with 96% ethanol at a ratio of 1:10, followed by remaceration. Phytochemical screening was performed to identify the presence of flavonoids, while total flavonoid content was determined using UV-Vis spectrophotometry with quercetin as the standard. Phytochemical screening confirmed the presence of flavonoid compounds in the extract. The determination of total flavonoid content showed a maximum wavelength at 433 nm, with a regression equation of Y = 0.0778X + 0.0012 and a correlation coefficient (r) of 0.9982. The total flavonoid content obtained was 81.808 mgQE/100 g extract. In conclusion, the globe amaranth flower (Gomphrena globosa L.) is a promising natural source of flavonoids and has potential to be developed as a raw material for traditional medicine, particularly as a natural antioxidant.
Co-Authors Adinda Puspita Elisabet Lian Agrippina Wiraningtyas, Agrippina Agustini, Ni Putu Dewi Anak Agung Putu Gede Bagus Arie Susandya Anita Dewi, Ni Luh Kade Arman Apriliani, Ni Luh Putri Artini, Ni Putu Eka Darmawan, I Wayan Agus Darmayanti, Gusti Ayu Putu Eka Debby Juliadi Desak Ketut Ernawati Dewi , Ni Luh Kade Arman Anita Dewi, Ni Kadek Dwi Purnama Dwi Arymbhi Sanjaya Dwi Widyastrini, Desak Made Dwipayanti, Ni Kadek Sari Elis Suwarni Fitria Megawati Gusti Ayu Made Indah Siantari Gusti Ayu Putu Eka Darmayanti Gusti Ayu Putu Yosinta Sasmita Handani, Dewa Ayu Sri I Gusti Ayu Sri Candramukhi Devi Dasi I Made Agus Sunadi Putra I Putu Tangkas Suwantara Indah Muthia Susanthi Indriani, Felia Riska Intan Alfira Kolifay Irlangga, I Gusti Ngurah Agustia Adi Surya Taksu Irma Rubianti Luh Risma Putri Rahayu Made Agus Deny Mahendra Putra Maria Daniela Tupa Hokor Maria Dewi, Ni Putu Maria Malida Vernandes Sasadara Maria Malida Vernandes Sasadara Megawati, Fitria Ni Kadek Lita Ni Luh Ayu Mega Ratnasari Ni Luh Kade Arman Anita Dewi Ni Luh Kade Arman Anita Dewi Ni Luh Sintya Ni Made Dharma Shantini Suena Ni Made Dwi Mara Widyani Nayaka Ni Made Wiwik Setiawati Ni Nyoman Wahyu Udayani Ni Putu Anggun Cipta Rosalita Jelantik Ni Putu Dewi Agustini Ni Putu Eka Artini Ni Putu Jayanti Putri Ni Putu Udayana Antari Ni Putu Yuni Winariyanthi Olahairullah, Olahairullah Perayanthi, Reni Pramesti , Luh Ratih Widhia Prameswari, Putu Nimas Diyah Puguh Santoso Puguh Santoso Puguh Santoso puguh santoso, puguh Puspita Wati, Ni Putu Putra Hilmi Prayitno Putra, I Made Agus Sunadi Putri, Leoni Putri, Ni Kadek Dila Pratiwi Putri, Ni Kadek Nisa Leoni Putu Eka Pasmidi Ariati Putu Era Sandhi K.Yuda Putu Era Sandhi Kusuma Yuda Sasadara, Maria Malida Sasadara, Maria Malida Vernandes Sugiyanto, Milyadi Suradnyana, I Gede Made Surya Rahadi, I Wayan Susanthi, Indah Muthia Suwarni, Elis Tirtayasa, Gede Agus Ari Vernandes Sasadara, Maria Malida Wardani, I Gusti Agung Ayu Kusuma Widyani Nayaka , Ni Made Dwi Mara Wiguna, Putu Dony Saputra Winariyanthi, Ni Putu Yuni Yanti, Ni Kadek Pradnya