Plant Breeding and Biotechnology

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2287-9366   pISSN 2287-9358

Table. 1.

Table. 1.

Statistics for tocopherol (T), tocotrienol (T3), squalene (SQ), campesterol (CA), sitosterol (SI), and stigmasterol (ST) contents (μg/g) in brown rice of 157 varieties bred in Korea.

Ecotype Statistics α-T γ-T α-T3 γ-T3 SQ CA SI ST αT/gT ratio αT3/gT3 ratio T/T3 ratio Total T Total T3 Total tocols Total phytosterols
Indica Case 21 21 21 21 21 21 21 21 21 21 21 21 21 21 21
Mean 5.2 4.5 3.8 21.0 15.2 42.8 169.2 18.1 2.41 0.22 0.40 24.8 34.5 34.5 230.0
SDz) 2.5 1.9 2.6 4.2 14.3 9.3 18.2 2.4 4.40 0.24 0.11 3.7 4.5 4.5 23.2
Median 4.4 4.6 3.0 20.7 12.0 40.7 169.3 17.6 0.95 0.15 0.39 26.3 35.8 35.8 233.4
Minimum 3.0 0.8 1.8 13.4 8.1 27.8 141.1 14.6 0.59 0.10 0.24 19.3 26.8 26.8 192.6
Maximum 12.4 8.2 13.6 27.7 76.4 60.4 198.6 22.2 19.22 1.14 0.75 30.7 40.4 40.4 265.2
RSDy) (%) 49% 41% 70% 20% 94% 22% 11% 13% 183% 107% 28% 15% 13% 13% 10%
Japonica Case 136 136 136 136 136 136 136 136 136 136 136 136 136 136 136
Mean 12.9 1.1 11.0 12.8 38.3 42.0 162.6 20.3 15.15 0.95 0.60 23.7 37.8 37.8 224.9
SD 2.0 0.5 1.6 2.2 13.0 6.1 21.2 2.7 6.01 0.16 0.09 3.1 4.6 4.6 27.7
Median 12.8 1.0 11.0 12.5 36.2 41.6 159.7 20.2 14.30 0.94 0.59 23.3 37.9 37.9 224.4
Minimum 8.6 0.3 6.9 8.2 7.9 28.2 114.8 13.5 3.81 0.31 0.38 17.4 28.3 28.3 162.9
Maximum 21.6 2.9 17.1 22.5 78.4 71.4 235.3 27.7 46.57 1.56 0.95 36.8 54.9 54.9 320.2
RSD (%) 16% 44% 14% 18% 34% 15% 13% 14% 40% 17% 15% 13% 12% 12% 12%
Total Mean 11.9* 1.6* 10.0* 13.9* 35.2* 42.1x) 163.5x) 20.0* 13.45* 0.85* 0.57* 23.8* 37.3x) 37.3* 225.6x)
SD 3.4 1.4 3.0 3.8 15.3 6.6 20.9 2.8 7.26 0.30 0.12 3.2 4.7 4.7 27.1
RSD (%) 28% 91% 30% 27% 43% 16% 13% 14% 54% 35% 20% 20% 14% 13% 12%

z)Standard deviation.

y)RSD: Relative standard deviation (%).

x)Not significant difference between ecotypes by t-test (P < 0.05).

*Significant difference between ecotypes by t-test (P < 0.05).

Plant Breed. Biotech. 2020;8:341-53 https://doi.org/10.9787/PBB.2020.8.4.341
© 2020 Plant Breed. Biotech.