Struktur, Bioaktivitas Dan Antioksidan Flavonoid

Abstract

Di antara produk-produk alami, flavonoid adalah yang sangat menarik untuk dipelajari dan merupakan salah satu senyawa yang menjanjikan untuk mengobati kanker, antioksidan, bakteri patogen, radang, disfungsi kardio-vaskular, dan lain-lain. Kemampuan dan bioaaktiftas terutama antioksidan dari flavonoid telah dipelajari, dalam hal ini ditunjukkan bahwa metilasi flavonoid dapat meningkatkan peranan flavonoid dalam bidang obat-obatan. Metilasi dari flavonoid melalui kelompok hidroksil bebasnya atau atom C yang dapat meningkatkan stabilitas metaboliknya dan meningkatkan transportasi membran. Review ini menjelaskan struktur dasar dan klasifikasi flavonoid, dan isolasi dan bioaktiftas dari flavonoid yang khususnya dalam peranannya sebagai antioksidan. Mekanisme flavonoid sebagai antioksidan secara kimia dan tahapannya juga dipelajari.

Enhancing students’ science literacy using solar cell learning multimedia containing science and nano technology

“…So, increasing retention of students can make the students mastering and achieving learning objectives.There are several advantages of using learning multimediasuch as it made the length of time becomes shorter learning, learning becomes more attractive, and student learning outcomes improved significantly. This is in accordance with the opinion of Arifinwhich explained that the relevant media will make the teaching and learning process more effective (goals) and efficient (easy and fast) [2].…”

PHYTOCHEMICAL SCREENING OF ETHANOLIC EXTRACT: a Preliminary Test on Five Medicinal Plants on Bangkalan

“…Flavonoid is compounding polyphenols which consisting of C6-C3-C6 rings (rings A and B) linked by ring C (Fig.1) (Wang, Li, & Bi, 2018). Flavonoids are present in all green plants to be found on each plant extract (Arifin & Ibrahim, 2018). Based on the phytochemical tests indicate the presence of flavonoids in all five medical plants screened.…”

“…It is evident by observing the yellow color in all the extracts. Flavonoids have bioactive agents against inflammatory diseases(García-Lafuente & Guillamón, 2012), cancer, neurological (Shehzad et al, 2016), and antioxidants (Arifin & Ibrahim, 2018).…”

Role of Superoxide Dismutases (SODs) in Hypertensive Rats After Administration of Mango Mistletoe Methanolic Extract

“…Based on phytochemical analysis, quercetin prevented hypertension. Flavonoid compounds promoted natural antioxidants that protect biological systems and inhibited cell oxidation by reducing, capturing reactive oxygen and free radicals, especially superoxidants [16,17,3]. The potential of flavonoids as antioxidants and their ability to reduce the activity of hydroxy radicals, superoxide anions and peroxide radicals to become flavonoid fats which play an important role and are closely related to the disease process and epidemiology [10].…”