Uji Aktivitas Penangkapan Radikal Bebas Dan Fenolik Total Pada Biji Dan Kecambah Kacang Hijau (Vigna Radiata), Kacang Kedelai (Glycine Max L), Dan Kacang Merah (Phaseolus Vulgaris L)
ALEXANDRO YOSUA REZAL EKA PUTRA, apt. Purwanto, M.Sc., Ph.D.
2024 | Skripsi | FARMASI
Plants in the Fabaceae family, such as green beans, soybeans, and red beans, are rich in phenolic compounds with free radical scavenging activity. This study aims to determine and compare the phenolic content and free radical scavenging activity of ethanol extracts of seeds and sprouts from green beans (Vigna radiata), soybeans (Glycine max L.), and red beans (Phaseolus vulgaris L.).
Extraction was carried out using the maceration method with 70% ethanol. The total phenolic content test was carried out using the Folin-Ciocalteau method, while the free radical scavenging activity test was carried out using the DPPH method. The data were analyzed using One-way ANOVA to determine the most potent extract as an antioxidant. Analysis of the relationship between total phenolic content and free radical scavenging activity was performed using Pearson Correlation.
The results of the total phenolic content test showed that mung beans contained 10.129 mg GAE/gram, mung bean sprouts 15.059 mg GAE/gram, soybeans 10.471 mg GAE/gram, soybean sprouts 14.752 mg GAE/gram, red beans 8.954 mg GAE/gram, and red bean sprouts 10.603 mg GAE/gram. Soybeans and mung bean sprouts had the highest total phenolic content. The results of the free radical scavenging activity test showed that mung beans had 402 ?g/mL, mung bean sprouts 310.57 ?g/mL, soybeans 893 ?g/mL, soybean sprouts 407 ?g/mL, red beans 384.27 ?g/mL, and red bean sprouts 303 ?g/mL. Red bean seeds and sprouts had the highest free radical scavenging activity compared to other samples.
Kata Kunci : Antioksidan, DPPH, Fabacea, Radikal bebas, Simplisia