• Korean Journal of Agricultural Science
• /
• v.38 no.2
• /
• pp.295-299
• /
• 2011

The content of hesperidin in the mixed tea, which was composed of dried orange peel, laurel leaf, mulberry leaf, silver magnolia leaf, oriental melon tap, cassia seed, and licorice root, was determined by high performance liquid chromatography (HPLC). Hesperidin was quantified by a reverse phase column with gradient solvent system (watcr:acetonitrile = 80:20 to 35:65 for 30 min) and UV/VIS detection (280 nm). The How rate was kept constant at 1.0 ml/min. The content of hesperidin in the mixed tea was measured in depending on extraction time 1, 2, 3, and 4 min (29.07, 52.39, 52.45, and 88.35 mg/g, respectively).

• International Journal of Industrial Entomology and Biomaterials
• /
• v.11 no.2
• /
• pp.107-111
• /
• 2005

Impact of microsporidian infection and season on reproductive potential of Bombyx mori L. was investigated in the laboratory. Microsporidian infection significantly (P<0.01) reduced fecundity and hatching and increased sterility and mortality of eggs. Among the microsporidia, Nosema sp. 2 infected silkworm produced eggs with least fecundity and hatching percent as well as highest dead and sterile eggs followed by Nosema sp. 1 and N. bombycis. Microsporidia, in general, significantly reduced fecundity and hatching percent of eggs and increased number of dead and sterile eggs in all the three seasons except N. bombycis in July - August (S3) and Nosema sp. 2 in January February (S1). Since, seed production is the anchor sheet of mulberry sericulture, coefficient of egg lying is considered as an important aspect and the industry quite often facing shortage of disease free layings. The present study indicates that B. mori is more susceptible to microsporidia during S2 followed by S3 and S1 and Nosema sp2. is most virulent followed by Nosema spl. and N. bombycis.

• International Journal of Industrial Entomology and Biomaterials
• /
• v.16 no.1
• /
• pp.15-20
• /
• 2008

Under the all India programme of evaluation of mulberry and silkworm genotypes, twelve bivoltine silkworm breeds obtained from Central Silkworm Germplasm Resource Centre, Hosur (CSGRC) were evaluated at the bivoltine silkworm breeding laboratory, Central Sericultural Research & Training Institute, Mysore (CSR&TI). These breeds were tested during September-October 2003, August-September 2004 and February-March 2005. The average temperature and humidity during September-October 2003 was $26.5^{\circ}C$ and 72.6% RH, while during August-September 2004, it was $26.5^{\circ}C$ and 75.2% RH and during February-March 2005 it was $24^{\circ}C$ and 48% RH respectively. The performance of the breeds in respect of 21 traits was studied and statistically analyzed using analysis of variance (Singh and Choudhary, 1985). Silkworm breeds were short-listed using multiple trait evaluation index method as suggested by Mano et at., (1993). Evaluation Index values were calculated for all the 11 traits of economic importance and six breeds were short-listed based on average index value 50 and above 50. Two breed viz., BV 183 (SMGS-1) have recorded average E.I. >50 in 10 traits (except in neatness) and ranked first and the breed BV 262 (SMGS9) with E.I. value >50 in nine traits except in cocoon weight and neatness ranked second, in the order of merit. These two breeds may be selected as resource material for evolving region specific silkworm breeds.

• Journal of the Korean Society of Food Culture
• /
• v.9 no.5
• /
• pp.499-507
• /
• 1995

The purpose of this study was to survey the various kinds of cooked beef products focusing on Sukyuk (boiled beef) and Pyunyuk (boiled beef slice) recorded on the historical literatures written from 1670 to 1945. Sukyuk and Pyunyuk were recorded 45 times in the references and could be classified into 11 groups based on major ingredients such as fresh meat, tough meat, rotten meat, tail, head, lung, cup of breast, testicles, pancreas, spleen and tung. Twenty two cooking methods were described on the records. Sukyuk and Pyunyuk based on fresh meat were described the most frequently. Pyunyuk based on head was described late in 18th centuries, but its recipe could not be found in any records and that of internal organs and tung were presented late in 18th centuries and early in 19th centuries, respectively. The major ingredients of Sukyuk and Pyunyuk were lean meat, tail, head, lung, cup of breast, testicles, pancreas, spleen and tongue Mulberry seed, fragment of roof tile and other sub-ingredients were used for softening or deodorizing the off flavor of the products.

• The Journal of Pediatrics of Korean Medicine
• /
• v.36 no.2
• /
• pp.40-51
• /
• 2022

Objective This study identified useful herbal medicines and prescriptions for obesity treatment by analyzing herbal medicines and prescriptions that showed meaningful results in weight loss by changing the gut microbiota. Methods Using PubMed, we selected and studied 23 papers showing meaningful results on weight loss through changes in the gut microbiota using herbal medicines. Result Of the 23 selected papers, 17 were of studies using herbal medicines, and 6 of studies using prescriptions. Pomegranate peel, Flos Lonicera, Rehmannia glutinosa, Rhein, Coix seed, Platycodon grandiflorus, mulberry leaves, Poria cocos, asperuloside, Bupleuri radix, Astragalus polysaccharides, Ephedra sinica, Ganoderma lucidum, Hirsutella sinensis, Caulis spatholobi, aconite, and Bletilla striata were used as herbal medicine. Linggui zhugan-tang, Bofutsushosan, Shenling baizhu powder, Chowiseungcheng-tang, Daesiho-tang, and Yijin-tang were used as prescription. Conclusion Seventeen herbal medicines and six prescriptions associated with meaningful results in weight loss through changes in the gut microbiota, suggest the possibility of treatment and prevention of obesity through herbal medicine.

• Journal of Sericultural and Entomological Science
• /
• v.44 no.1
• /
• pp.9-12
• /
• 2002

The agronomic characteristics and fertility of Morus tiliaefolia growing wild in Korean peninsula are as follows. The possibility of seed formation is 46∼80% and that of germination is 19∼28%. The height period of making flower is April 4-May 3, it means that is later than Morus bombycis, faster than Kaeryangppong. Green tip sprouting stage in spring is April 21∼24. This is later than Morus bombycis and faster than Kaeryangppong. The leaf has very big width and the ratio of leaf length to leaf width is 1.05. The thickness of leaf is thicker than Morous bombycis. There are a lot of matter of soluble nitrogen free, crude ash, and are little crude protein, crude fat and crude fiber in chemical contents of maturation leaf. The attitude of low cutting is spread out type and the branch is long type. The internord length is long. It is weak against cold and die-back.

• The Korean Journal of Mycology
• /
• v.26 no.1 s.84
• /
• pp.56-59
• /
• 1998

This study was carried out to obtain the basic data on artificial culture of Phellinus linteus. The suitable sorts of sawdusts artifical culture for Phellinus linteus were an oak sawdust, a mulberry sawdust, a peach sawdust. Rice bran, wheat bran and corn seed peel were found to be effective additives, and optimun mixing ratio of an oak sawdust and additives was from $70{\sim}80$ to $20{\sim}30$ percent. The suitable moisture content of sawdust media was obtained in the range of $65{\sim}70%$. The mixture of percent oak sawdust with 20 percent rice bran in polypropylene (850 cc) bottle was suitable for starter production, and it took 55 days to produce the starters at $25^{\circ}C$.

• Journal of Forest and Environmental Science
• /
• v.37 no.3
• /
• pp.206-216
• /
• 2021

Deutzia paniculata Nakai, a rare and endemic plant, has limited distribution throughout the North and South Gyeongsang provinces of South Korea. The D. paniculata community grows mostly on the stony slopes of forests, valley edges, and rock layers at 250-960 m in altitude, where deciduous trees are dominant and high humidity is maintained. Correlation analysis of vegetation and environmental factors found that the Walter's dogwood-mulberry community was correlated with soil acidity (pH). Whilst the queritron community had correlations with distance from the valley, rock rate and slope. The natural habitat of the Palgongsan Mountain in Daegu is known to have high genetic diversity, had eight D. paniculata individuals recorded from 2014 to 2018, and 12 individuals recorded in 2020 (new individuals due to a newly created space within the herbaceous layer caused by grass mowing works), it is therefore unlikely that the community would perish unless there was an artificial disturbance. To conserve the natural habitats of D. paniculata, oppression by Sasa borealis, damage, increase in crown density of the upper layer, overexploitation, and absence of seedlings should be carefully investigated. In addition, response measures should also be established and the impact on seed fullness and the reproductive characteristics of D. paniculata recorded. To restore declined genetic diversity, individuals from high genetic diversity regions, such as Palgongsan Mountain, should be artificially transplanted.

• Korean Journal of Medicinal Crop Science
• /
• v.28 no.6
• /
• pp.421-427
• /
• 2020

Morus alba, Anti-obesity, C57BL/6 Mice, Expression, Flavonoid, Gene, Mulberry Background: The seed oil of Zanthoxylum schinifolium S. et Z. (sancho) is a traditional cooking oil that has long been sold at a very high price however, depending on the method of extraction and storage, this oil becomes rancid occurs very quickly. Therefore, this study aimed to find a material that prevents rancidity and improves the storage properties of sancho oil. Methods and Results: Sancho oil was extracted using an extraction press, and acid values were compared with commercially available vegetable oils, sancho oil had a higher acid value than other vegetable oils. A very high acid value was observed in sancho oil stored for 6 months, regardless of temperature, requiring an effective storage method. The high acid value and the decrease in turbidity of sancho oil are dependent on the days of sedimentation. Treatment with sodium bicarbonate by concentration resulted in minimal changes in acid value over time. However, minor differences were detected among the treatment concentrations. Ascorbic acid was added to maximize the effect of sodium bicarbonate, and it was observed that ascorbic acid did not improve the antioxidant effect. The sodium bicarbonate and ascorbic acid mixture resulted in minimal change in acid value at temperature up to 25℃. Conclusions: Sancho oil becomes rancid very quicky and requires efficient storage techniques. Sodium bicarbonate and ascorbic acid have been proven to be useful as safe anti-racidity agents without causing harm to humans.

• Horticultural Science & Technology
• /
• v.35 no.4
• /
• pp.499-509
• /
• 2017

Recently, there has been increased attention to the development of new plant cultivars with enhanced resistance to biotic and abiotic stress. To develop ginseng cultivars with such traits, systematic breeding programs and comprehensive field studies are prerequisites. In this study, we applied a pure-line selection method to identify a ginseng cultivar with enhanced stress resistance. Phenotypic and agronomic characteristics, seed yield, and physiological responses to biotic and abiotic stresses were investigated according to the guidelines of the International Union for the Protection of New Varieties of Plants (UPOV). In the newly developed 'Kowon' cultivar, the time of emergence, flowering, and berry maturity were intermediate between those of the controls, 'Yunpoong' and 'Chunpoong'. The stem length of 'Kowon' was intermediate, whereas the root length was shorter and the main root diameter was greater than those of 'Chunpoong'. In local adaptability tests conducted in three regions, the yield of 'Kowon' was $666kg{\cdot}10a^{-1}$; 27% and 4% higher than that of 'Chunpoong' and 'Yunpoong'. Diseases such as Alternaria blight, Phytophthora blight, mulberry mealybug, and nematode infestation did not occur in 'Kowon'; and it also exhibited moderate resistance to damping-off and anthracnose. In these cases, yellow spots occurred on aerial parts and the rusty skin of the root, and it exhibited moderate resistance at high temperatures. Our study demonstrates that 'Kowon', which has a high root weight and enhanced biotic/abiotic stress resistance, is a superior cultivar that could increase farmers' income.