Article Per Year (5 Year)
p-Index From 2020 - 2025
0.23
P-Index
This Author published in this journals
All Journal Indonesian Journal of Agricultural Research
Ronie, Macdalyna Esther
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Social Sciences Veterinary

Published : 1 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 1 Documents
Search

 1 
Phytochemicals and antioxidant activities of Sarawak Bario rice varieties Ronie, Macdalyna Esther; Mamat, Hasmadi; Abdul Aziz, Ahmad Hazim; Zainol, Mohamad Khairi; Ridhwan, Norazlina Mohammad; Kobun, Rovina; Putra, Nicky Rahmana
Indonesian Journal of Agricultural Research Vol. 8 No. 3 (2025): InJAR, Vol. 8, No. 3, In Press
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/injar.v8i3.17875

Abstract

Rice serves as a primary food source for almost half of the world’s population and is available in numerous varieties, ranging from pigmented to non-pigmented types. Compounds such as phenolic and flavonoids are well known for their antioxidant capacity and beneficial effects on health. This study investigated the TPC, TFC, and antioxidant activity, assessed through the DPPH assay, in Bario rice varieties, an indigenous crop from Sarawak, Malaysia. Results showed that pigmented varieties (BC, BT, and BMS) exhibited significantly higher TPC compared to non-pigmented varieties (TQR and BAH). At 25 mg/ml, TPC values were 8.31, 4.69, and 4.0 mg GAE/ g dry weight for BC, BT, and BMS, respectively, whereas TQR and BAH recorded 2.48 and 2.41 mg/GAE/g dry weight. A similar trend was observed in TFC, with BMS showing the highest value (3.06 mg QE/g) at 3.5 mg/ml. The DPPH assay further confirmed stronger antioxidant potential in pigmented rice, particularly BC, which achieved 59.61% inhibition at 70 mg/ml. The enhanced antioxidant capacity was attributed to the retention of rice bran, rich in phytochemicals. Overall, the findings highlight the nutritional and functional potential of Bario rice varieties, suggesting their relevance in promoting human health.
Co-Authors Abdul Aziz, Ahmad Hazim Hasmadi Mamat Kobun, Rovina Putra, Nicky Rahmana Ridhwan, Norazlina Mohammad Zainol, Mohamad Khairi