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The purpose of this study was to investigate the levels of antioxidant activities in some traditional and a few super food mixed rice. Amongst nine chosen samples, traditional five grains were analyzed and results revealed highest content of crude-protein (8.05±1.11%) and lowest crude-fat content (1.74±0.29%); however, the calories was found to be relatively low (358.05±0.34 kcal) in the samples. Total polyphenols, flavonoids and tannins were extracted from nine samples with 80% methanol and biochemical activity was measured. The content of total polyphenols, flavonoids and total tannin was 206.5~452.0 μg/mL, 0.126~0.340 μg/mL, and 548.1~774.8 μg/mL, respectively. The traditional five grains showed the highest values except for DPPH radical scavenging activity. DPPH radical scavenging activity was 5 to 40.3% higher in eight samples than the traditional five grains sample. From these results, it is conjectured that a mixture of five grains, might exhibit equal or considerably higher effect as healthy diet when compared to super food. The results from this study would serve as basic data for the use of traditional mixed grains rice diet for good health.

In this study, organic wavelength-converting films (WCFs) applied to InGaN blue LEDbased hybrid planar WLED has been fabricated. The organic dye layer in the WCF was formed between the upper and bottom polymer sheets by using a simple roll-laminating technique. Subsequently, the hybrid planar WLEDs have been fabricated based upon these films. The luminous efficiency of green WCF-based hybrid planar WLEDs with a single blue LED chip was 34.6 lm/W and that of red-WCFassisted green WCF-based hybrid planar WLEDs was 27.3 lm/W under 20 mA. The use of WCF to fabricate hybrid planar WLEDs showed better stability than that of directly coating organic color-convergence materials (CCMs) on the LED chips. It only decreased to about 10% of the initial wavelengthconverting intensity after 1 hour of continual operation at 20 mA.

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