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Journal : Biopedagogia

Antioxidant Activity Test On Ethanol Extract Of Cassava Leaves (Manihot Esculenta C.) Using DPPH Method Husain, Muhammad Hafizh; Febrianti, Dewi Retno; Salsabillah, Salma; Rolita, Ninda Norma; Amrullah, Kammal Nizam; Bawani, Elen Ayu; Ramadhani, Lailatul; Pratiwi, Lidia Wahyu; Yaqin, Ngainul; Jayanti, Angelina; Rafsanjani, Ramizard; Januarista, Terra; Faisal, Faisal; Ramadhan, Majida
Biopedagogia Vol 6, No 2 (2024): November
Publisher : Program Studi Pendidikan Biologi Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/biopedagogia.v6i2.5533

Abstract

Cassava leaves (Manihot esculenta Crantz) are herbs used in traditional medicine. Cassava leaves contain secondary metabolite chemicals such as vitamin C, flavonoids, tannins, saponins, and triterpenes. Cassava leaves are pharmacologically active as anti-inflammatory, antibacterial, and antioxidants. To identify the sample's active antioxidant components using the DPPH technique. The DPPH method is a method of determining the antioxidant activity of a sample by examining its capacity to neutralize free radicals of the 2,2-diphenyl-1-picrylhydrazyl molecule. The antioxidant activity of quercetin from cassava leaf extract (Manihot esculenta Crantz) yielded an IC50 value of 210.33. The IC50 value shows that cassava leaves (Manihot esculenta Crantz) have modest antioxidant lower. Cassava leaves (Manihot esculenta Crantz) have antioxidant activity of 210.33 g/mL so they are included in the weak category in this study.
Pengaruh Pemberian Zat Pengatur Tumbuh Hormon Auksin dan Sitokinin Terhadap Pertumbuhan Tunas dan Akar Zaitun (Olea europaea) Menggunakan Metode Microcutting Paramitha, Armanda Bella; Achyar, Zhahrotun Khofifah Nur; Azizi, Rosita Imro’atul; Jayanti, Gatra Ervi; Ramadhan, Majida; Prasetyowati, Eka
Biopedagogia Vol 7, No 2 (2025): November
Publisher : Program Studi Pendidikan Biologi Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/biopedagogia.v7i2.6886

Abstract

Olive plants (Olea europaea) are widely used as traditional medicine and have high economic value, but olive cultivation in Indonesia still faces many challenges. This study aims to evaluate the effect of providing plant growth regulators (ZPT) auxin and cytokinin hormones on the growth of olive shoots and roots using the microcutting method. The study was conducted at the Orchidology Laboratory, Islamic University of Malang with an experimental method of three treatments, namely water control, Biogen, and Bregadium. The parameters observed included the number and quality of shoot and root growth. The results showed that Biogen and Bregadium were able to accelerate the emergence of shoots on the 3rd day, while the control grew on the 10th day. Observations of root growth showed that Bregadium was able to stimulate root formation in more samples even though the quality was still very thin and few. In contrast, Biogen only produced one thin root in one sample. The conclusion of the study states that the combination of Bregadium ZPT hormones has the potential to be more effective in stimulating the growth of olive roots and shoots vegetatively. This study recommends optimizing the concentration and frequency of ZPT application for more optimal growth results.
Co-Authors Abdoes Sjakoer, Nour abdul wachid, abdul Achyar, Zhahrotun Khofifah Nur Ahmad Syauqi ahmad syauqi, ahmad Al Shofura, Nadya Raisa Aldina, Devana Rahma Amrullah, Kammal Nizam Amrullah, Kammal Nizam Amrullah Anggraeni, Agintha Silvya Anita Puspa Widiyana Ari Hayati Arianti, Leny Ardini Aziz, Achmad Qomarul Aziza, Nur Azizi, Rosita Imro’atul Badria, Shoimatul Umi Bawani, Elen Ayu Dewi, Lina Purnama Eka Fitriah, Eka Erna Sulistyowati Erna Susanti Faisal Faisal Faisal Faiza, Hilda Wahyu Fatmawati Fatmawati Febrianti, Dewi Retno Fitirah, Eka Gatra Ervi Jayanti Gemilang, Satria Hidayah, Ulfa Husain Latuconsina Husain, Muhammad Hafizh Ilfathoniyah, Aulia Innaya, Allinha Yusfin Jamilah, Zahrotul Januarista, Terra Jayanti, Angelina Khuluqiyyah, Wildhatu Dzati Fiqhul Kurniawati, Alvelin Bunga Ma'rifah, Shofia Jannatul Mahanem Mat Noor, Mahanem Mat Mahyantika, Seftya Mahyantika, Seftya Putri Mardhiyah, Mardhiyah Maulida, Hilda Jihan Maulidya, Sabrina Dita Ma’rifah, Shofia Jannatul Mudzakaroh, Luluk Muhammad Fahmi Hidayatullah Muzayyanah, Nana Nafisa Nafisa, Nafisa Nirwana, Linggar Nour Athiroh Abdoes Sjakoer Nuari, Afidah Fajar Nur Azizah Nur Azizah Nurul Jadid Mubarokati Paramitha, Armanda Bella Prasetyo, Doni Prasetyowati, Eka Pratiwi, Lidia Wahyu Putri, Nela Vede Rhofa Rafsanjani, Ramizard Rahmatullah, Muhammad Ali Rahmawati, Rizka Dwi Ramadhani, Lailatul Ramadhani, Mieta Widya Ratna Djuniwati Lisminingsih Rofiidah, Anisatul Rofiq, Muhammad Fadlan Rolita, Ninda Norma Safitri, Dewi Astriana Salamah, Forrela Zahwa Salsabillah, Salma Savana, Amartya Gesit Seftya Putri Mahyantika Siti Aminah Sri Wahyuni Tresna, Adira Tatus Wahidah, Shinta Nuriyah Wati, Dwi Kartika Widyaningrum, Ike Wulandari, Dian Novita Wulandari, Rossa Martha Yaqin, Ngainul Yuana, Hera Yudi Purnomo Zaki, Siti Muzakiyah