Black Rice Bran Extracts and Fractions Containing Cyanidin 3-glucoside and Peonidin 3-glucoside Induce Apoptosis in Human Cervical Cancer Cells  

Oleh:

Pratiwi, Rarastoeti ; Tunjung, Woro Anindito Sri ; Rumiyati ; Amalia, Alfi Rizqi

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Indonesian Journal of Biotechnology vol. 20 no. 1 (Jun. 2015), page 69-76.
Topik: Cempo Ireng; cyanidine 3-glucoside; peonidin 3-glucoside; apoptosis; HeLa cells
Fulltext: 15271-28964-1-SM.pdf (223.95KB)

Isi artikel

Anthocyanin of pigmented rice inhibits the growth of cancer cells. The cytotoxicity and apoptosisinducing properties of local black rice (cv Cempo Ireng) extracts and fractions, which contain anthocyanin including cyanidin 3-glucoside and peonidin 3-glucoside, on human cervical cancer cell line (HeLa cells) has been evaluated. The pigmented rice bran was extracted and fractionated using methanol-HCl. The MTT test was performed on HeLa cell cultures to observe the IC50 value. Preparative TLC was performed to obtain the fractions of black rice bran. Cyanidin 3-glucoside and peonidin 3-glucoside were identifi ed in the pigmented rice bran extract and fractions using UHPLC. Flowcytometry analysis was performed to measure the percentage of apoptotic cells. Our results suggest that the fractions are more toxic than the methanolic crude extract with IC50 values of 85.95 ± 5.56 µg/mL (the lowest one) and 408.13 ± 51.9 µg/mL, respectively. The concentration of cyanidin 3-glucoside and peonidin 3-glucoside in the methanolic extract were 1.89 and 0.84 µg/mg, respectively. The apoptosis induction by fractions F2 and F4 (52 and 55%) were signifi cantly higher compared to fraction F3 and F5 (30 and 33%) and doxorubicin (21%). Cyanidin 3-glucoside was detected in F4 (0.14 µg/ml) while peonidin 3-glucoside in F2 (0.012 µg/ml), however both were not detected in F3 and F5.

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