Research articles
ScienceAsia 49 (2023): 155-160 |doi:
10.2306/scienceasia1513-1874.2022.144
Yield and nutritional properties of improved red pericarp Thai
rice varieties
Marisa Yamsaraya,b, Tanee Sreewongchaib,*, Chalermpol Phumichaib, Parisut Chalermchaiwatc
ABSTRACT: Value can be added to rice varieties by developing ones that have high yield and high nutritional value.
Value-added rice varieties contribute to high yield and high nutritional value. Eight Thai rice cultivars were evaluated
for their yield and nutritional properties: black coloured rice (one cultivar and one mutant line), red coloured rice
(two cultivars and two promising red rice lines), and two non-coloured rice cultivars (brown rice). Pathum Thani 1
had the highest yield (4.87 ton/ha) followed by R684-13-15, Mali Komain Surin #3 and RD69 with yield of 4.13,
3.59 and 3.35 ton/ha, respectively. The protein and lipid contents were highest in the black rice followed by the red
rice and the brown rice. The highest total phenolic content (TPC), the 2,2-diphenyl-1-picrylhydrazyl (DPPH), and the
ferric reducing antioxidant power (FRAP) were found in the red rice followed by the black rice and the brown rice. A
promising red rice line, R2523-8-10, had the highest TPC and FRAP values of 320.78 mg GAE/100 g and 791.83 mg
FeSO4
/100 g, respectively. The two mutant red rice lines derived from Pathum Thani 1, R684-13-15 and R2523-8-10,
showed high yield, TPC, and antioxidant activity values; and hence, they could be recommended for cultivation due to
their high nutritional properties.
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| a |
Rice Department, Ministry of Agriculture and Cooperatives, Bangkok 10900 Thailand |
| b |
Department of Agronomy, Faculty of Agriculture, Kasetsart University, Bangkok 10900 Thailand |
| c |
Department of Home Economics, Faculty of Agriculture, Kasetsart University, Bangkok 10900 Thailand |
* Corresponding author, E-mail: agrtns@ku.ac.th
Received 2 Feb 2022, Accepted 7 Oct 2022
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