• KOREAN JOURNAL OF CROP SCIENCE
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• v.48 no.3
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• pp.184-190
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• 2003

Germplasms and breeding lines of malting barley at National Yeongnam Agricultural Experiment Station (NYAES) were evaluated for malting barley quality improvement. Among the numerous malting barley quality parameters, the mean of protein content was 12.3% between 10.7% to 14.0% and range of the $\beta$-glucan content was from 3.5% to 5.8%, the mean was 4.6 percent. The length of acrospire, non-germination rate, friability, the speed of filtration, extract yield, kolbach index, diastatic power were significantly different between the individual varieties, however the other traits were not significantly different. The results of correlation analysis among 15 quality parameters showed significant positive correlation between crude protein content and malt protein content. However, other quality parameters such as sugar content, fiablity, extract yield, and kolbach index had negative correlation with crude protein content. Therefore, crude protein content could be one of the major factors that deteriorate quality. The varieties of Viva, Nishino-chikara, Kinukei 9, Kinukei 12, Sacheon 6 and Jinyangbori that showed over the 80% in extract yield and the higher diastatic power, will be used by crossing parents for improve the quality of malting barley.

• Korean journal of food and cookery science
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• v.14 no.1
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• pp.91-96
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• 1998

Growth of acrospire length from germinated covered barley with 1.5∼2.0 times length of buds had the highest amylase activity for 9 days at 15$^{\circ}C$. When the extraction of malt was carried out at 50$^{\circ}C$ for 3.5 hr., total sugar, reducing sugar, sweetness determined by refractometer and amylase activity were the highest, and 2.33%, 1.61%, 3.4 brix(%), 28,332 units, respectively. The sikhe saccharificated at 60$^{\circ}C$ for 8 hr. showed total sugar content increased to 3.90∼9.27% in nonwaxy rice, 4.19∼11.91% in waxy rice, and reducing sugar-content increased 3.30∼7.61% in nonwaxy rice, 3.31∼9.11% in waxy rice. Also, brix was increased to 3.6∼10.8 brix (%) in nonwaxy rice, 3.6∼12.8 brix(%) in waxy .ice, as saccharification time increased. The amylase activity was decreased as saccharification time was increased. And pH was gradually decreased according to time increase, however, it changed little after 4 hr. Morphology of cooked rice kernel during saccharification for sikhe gradually enlarged the oval for hydrolyzed starch granule by increasing saccharification time.

• Journal of Environmental Science International
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• v.20 no.4
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• pp.541-549
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• 2011

This experiment was held to identify the germination feature of Papaver radicatum var. pseudoradicatum which has high economical value. Seeds were collected in the Mt. Changbai in China. To eliminate dormancy of the seeds, chilling treatment were carried out in the $5^{\circ}C$ refrigerator. 30 days, 60 days, 90 days, 120 days of chilling treatments were taken. After being Treated, seeds were under 15, 20, $25^{\circ}C$ of temperature and light, dark conditions respectively to see the differences in germination. Within many features, germination ratio of seeds and germination period were investigated. Also, features related to early growth were checked through the closer look into acrospire, growth of cotyledon of young plant. Over 30 days of chilling treatment was all effective. Especially, 120 days of chilling treatment was most effective. The seeds germinated well in the light conditions. 120 days of chilling treatment, $15^{\circ}C$, light conditions were found to be most effective conditions as 54.5% of the seeds germinated. The germination period was 4.29 days. 30 days after germinating, length of the aerial part had been 1.90 cm. But after 45 days, the length grew rapidly to 4.58 cm. Fresh weight of scales plant was also increased dramatically after 45 days. Therefore, transporting the plant 45 days after seeding judged to be good.