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Table 2 TPC, TFC and Antioxidant capacities of Bajong extracts from two different geographical regions

From: Antioxidant capacities and in vitro anti-microbial activities of rice (Oryza sativa var Bajong) from Borneo

Extraction time

Rice sample

Positive control

Rice LN

Rice SA

24

48

72

24

48

72

TPC

(mg GAE/g extract ± SD)

46.54 ± 2.62

42.12 ± 2.67

52.17 ± 3.29

9.61 ± 2.01

25.28 ± 3.91

25.06 ± 1.83

–

TFC

(mg QCE/g extract ± SD)

5.53 ± 0.36

4.68 ± 0.37

10.56 ± 0.73

2.72 ± 0.31

7.7 ± 2.19

9.12 ± 0.94

–

DPPH

IC50 (µg/mL)

34.84

37.69

38.1

128.62

69.17

158.96

2.3

  1. TPC total phenolic content, GAE gallic acid equivalents, TFC total flavonoid content, QCE, quercetin equivalents, DPPH IC50 DPPH scavenging activity, SD standard deviation
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BMC Chemistry

ISSN: 2661-801X

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