Results 81 to 90 of about 231 (109)

Bazı sentetik antioksidanların 2,2-difenil-1-pikrilhidrazil (DPPH) radikal süpürme kapasitesi yöntemi ile antioksidan aktivitelerinin araştırılması

open access: yes, 2017
Serbest radikaller, oksidatif stres ve antioksidan günümüzde yaygın olarak tartışılan konular haline gelmiştir. Canlı fizyolojisinde oksidatif stresin meydana getirdiği hasar sebebiyle son yıllarda antioksidanlara olan ilgi oldukça artmıştır. Antioksidanların veya tüketilen besin maddelerinin ne kadar antioksidan etkili olduğunu belirlemek ve ...
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Perbedaan Kekuatan Penangkapan Radikal Bebas Antioksidan Bubuk Kopi dan Kuntit Metode DPPH

Bandung Conference Series: Medical Science
Abstract. Oxidative stress caused by free radicals plays an important role in the development of various degenerative diseases, highlighting the need for effective natural antioxidants. Robusta coffee (Coffea canephora) and turmeric rhizome (Curcuma longa L.) are natural materials known to contain bioactive compounds with antioxidant potential.
Hendro Sudjono Yuwono
exaly   +2 more sources

Uji Aktivitas Antioksidan Fraksi Etil Asetat Daun Kemuning Dengan Metode Peredaman Radikal Bebas Dpph

JURNAL RISET RUMPUN ILMU KESEHATAN, 2022
Penyakit degeneratif merupakan penyebab terbesar kematian di Indonesia. Jumlah kematian akibat penyakit tersebut terus meningkat. Hal tersebut disebabkan karena sebagian besar penyakit diawali oleh adanya reaksi oksidasi yang berlebih dalam tubuh.
Ricka Islamiyati   +2 more
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Pengaruh Perbedaan Pelarut Dalam Ekstraksi Herba Seledri (Apium graveolens L.) Terhadap Aktivitas Peredaman Radikal Bebas DPPH

JOURNAL OF PHARMACEUTICAL (JOP), 2023
Background: The decreased  physiological  function  is  influenced  by age and degenerative diseases. Degenerative diseases can be caused by free radicals. Neutralization  of free radicals  can  be done by giving antioxidants.  However, synthetic antioxidants cause many side effects so that natural antioxidants are needed  from  natural ...
Luluk nurjanah Luluk   +2 more
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Bazı Sentetik Antioksidanların 2, 2-difenil-1-pikrilhidrazil (DPPH) Radikal Süpürme Kapasitesi Yöntemi ile Antioksidan Aktivitelerinin Araştırılması

Journal of Research in Veterinary Medicine, 2020
Serbest radikaller, oksidatif stres ve antioksidanlar güncel olan ve yaygın olarak tartışılan konulardır. Canlı fizyolojisinde oksidatif stresin meydana getirdiği hasar sebebiyle antioksidanlara olan ilgi oldukça artmıştır. Antioksidanların veya tüketilen besin maddelerinin ne derecede antioksidan etkili olduğunu belirlemek ve karşılaştırmak için ...
Özge YILMAZ, Murat BOYACIOĞLU
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Aktivitas Penangkapan Radikal DPPH Ekstrak Gambir (Uncaria gambir Roxb.)

2012
Gambir contains high level of polyphenolic compounds known as catechins. The objectives of the research were to investigate the DPPH diphenyl picrylhydrayl radical scavenging activity of gambir extract and to identify the isolated phenolic compounds. Gambir was extracted with five types of solvents [aquadest, aquadest:ethanol (1:1), ethanol, ethanol ...
Rauf, Rusdin   +2 more
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Pengaruh Variasi Waktu Ekstraksi terhadap Aktivitas Peredaman Radikal Bebas DPPH Ekstrak Biji Kopi Robusta Lampung Barat

JOURNAL OF PHARMACEUTICAL (JOP)
Background: Robusta Coffee (Coffea canephora) has been cultivated in Indonesia, especially in the West Lampung area. Robusta coffee contains secondary metabolites that act as antioxidants, namely chlorogenic acid and other phenolic components. These secondary metabolites of robusta coffee bean can be obtained using the extraction method. The ultrasound-
Mitsalina Fildzah Arifah   +4 more
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Uji Aktivitas Antioksidan Ekstrak Etil Asetat Daun Matoa Menggunakan Radikal Bebas DPPH (DiphenylPicrylhydrazil)

Radikal bebas merupakan zat asing yang masuk ke dalam tubuh dan merusak sistem kekebalan tubuh. Antioksidan merupakan senyawa yang mempunyai kemampuan menghilangkan, membersihkan dan melawan efek radikal bebas. Bagian daun matoa mengandung senyawa aktif berupa saponin, flavonoid dan tanin.
islamiyati, Ricka   +3 more
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UJI AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL AKAR BAJAKAH TAMPALA (Spatholobus Littoralis Hassk) MENGGUNAKAN METODE PEREDAMAN RADIKAL BEBAS DPPH

Makassar Pharmaceutical Science Journal (MPSJ)
Bajakah tampala (Spatholobus littoralis Hassk.) merupakan tumbuhan yang hidup merambat di daerah Tropis. Tumbuhan ini berasal dari Desa Sebuku, Kalimantan Utara. Tanaman bajakah tampala mengandung saponin, flavonoid serta tannin. Akar Tanaman bajakah tampala diduga memiliki aktivitas antioksidan yang kuat yang mampu meredam aktivitas dari radikal bebas.
Muzakkir Baits   +2 more
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