• Proceedings of the Plant Resources Society of Korea Conference
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• 2003.04a
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• pp.138-139
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• 2003

To investigated the effect of liquid culture conditions and nutrient sources on the formation with bioactive substance of Paeilomyces japonica and Cordyceps militaris cultivated in the country, the result are as follow; The growth temperature of two mycelia is 25$^{\circ}C$ and the proper temperature for cordycepin growth is around 20$^{\circ}C$. The formation amount of bioactive substance by nutrient sources reached its peak with using 2% glucose and 1% galactose in case of carbon sources and 0.4% inorganic compound in case of nitrogen sources. Also, the ratio of C/N was optimal with 3% glucose 1% peptone. For a natural medium, most grains were sufficient but the soybean oil was superb. The formation amount of protein-binding polysaccharide that are used for anticancer substance was in proportion to the growth rate of mycelium, had lots of aeration and showed a trend of increasing when the acidity lower. and the content of structural protein showed a trend of increasing when the acidity lower. However, the content of the structural hexosamin did not get a great the effect of culture conditions and nutrient sources. The constitution of monosaccharide that organizes a protein-binding polysaccharide greatly changed in proportion to carbon sources. When Paecilomyces japonica cultured in a silkworm larvae for 30 days, the content of cordycepin was 204.5 mg/100mL as a dry weight in the fruiting body, 41.8 mg/100mL in mycelium and larva, and the content for each bottle was average 29.5 mg/100mL. In case of Cordyceps militaris for 45days, the fruiting body was 563.5 mg/100mL, the larva and the mycelium was 86.1 mg/100mL, and the content for each bottle was average 65.0 mg/100mL.

• Korean Journal of Environmental Agriculture
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• v.41 no.1
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• pp.50-54
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• 2022

BACKGROUND: Phyllospadix japonica Makino is a perennial plant belonging to the family Zosteraceae. This species is native to the eastern coast of the Korean Peninsula, and it is found attached to rocks on the seashore. As with all seagrass species, P. japonica is also known to play a major role in protecting the marine environment, and studies on its physiological activities suggestive of its antioxidant, antibacterial and anti-inflammatory potentials have been reported. In this study, purification and structural analysis were performed to identify the polyphenol substances derived from P. japonica. METHODS AND RESULTS: An polyphenol substance MP-1 was purified from the 70% aqueous methanol extract of P. japonica using Diaion® HP-20 column chromatography, ODS column chromatography, and medium-pressure liquid chromatography (MPLC). The purified MP-1 was identified as rosmarinic acid having a molecular weight of 360 and a molecular formula of C18H16O8 through electrospray ionization (ESI)-mass and nuclear magnetic resonance (NMR) spectroscopic analysis. CONCLUSION(S): This study highlights the processes used for the identification of the polyphenol substance derived from P. japonica. Rosmarinic acid, the polyphenol derived from P. japonica identified by this study, is a kind of bioactive substance mainly present in plants. These findings provide an important starting point and are valuable for future studies on bioactive substances in seagrass.

• Proceedings of the Korean Society of Food Science and Nutrition Conference
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• 2004.11a
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• pp.99-101
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• 2004

An important aspect of indigenous medicine is the ability of traditional societis to manipulate the environment for their own benefit, for example for their health care. In Indonesia, this indigenous medicine is called Jamu. Jamu mostly consists of a mixture of herbals of the genus Curcuma, Zingiberaceae. There are 19 species of curcuma grown in Indonesia. Eleven of them are popular in the jamu preparations. Ethnopharma-cological surveys have shown that 50% of these species are used for post partum protection, dismenorrhea, 30% are used for the treatment of stomache and as cosmetics, 20% for the treatment of various diseases such as fever, worms, asthma, etc. Chemical studies show that they contain curcuminoids, volatile oils, flavonoids, starch, and resinous substance. Pharmacological studies of extracts and isolated bioactive compounds have shown that they have a broad pharmacological activity such as antibacterial, antifungal, anti-inflammatory, choleretic, antihepatotoxic, antitumor, antioxidant, and antihyperlipidemic activity.

• YAKHAK HOEJI
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• v.56 no.2
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• pp.71-73
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• 2012

Cordyceps militaris, a caterpillar-grown traditional medicinal mushroom, produces important bioactive compounds, cordycepin (3'-deoxyadenosine) and militarin. Militarin is reported to possess anticancer activities against several tumor cells. An efficient synthetic method of militarin was developed to prepare muti-gram scale sample for bioassay. Militarin was successfully synthesized from commercial starting materials in 5 steps and 29.3% overall yields.

• Preventive Nutrition and Food Science
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• v.10 no.1
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• pp.95-102
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• 2005

The term pharmacognosy as applied to a constituent scientific discipline of Korean Medical Food (KMF) has been in use for nearly several years, and it refers to studies on the pharmacological properties of natural products foods. During the last half of the 20th century, pharmacognosy for KMF evolved from being a descriptive botanical subject to one having a more chemical and biological focus. At the beginning of the 21st century, teaching pharmacognosy for KMF teaching in academic culinary arts and natural healing institutions has been given new relevance as a result of the explosive growth in the use of herbal foods (health foods) in modern KMF practice. In turn, pharmacognosy for KMF research areas are continuing to expand, and now include aspects of cellular and molecular biology in relation to natural products, ethnobotany and phytotherapy, in addition to the more traditional analytical method development and phytochemistry. Examples are provided in this review of promising bioactive compounds obtained in two multidisciplinary natural product KMF development and discovery projects, aimed at the elucidation of new plant-derived cancer chemotherapeutic agents and novel cancer chemopreventives, respectively. The systematic study of KMF offers pharmacognosy groups an attractive new area of research, ranging from investigating the biologically active principles of KMF and their mode of action and potential active substance interactions, to sanitary and quality control, and involvement in clinical trials.

• Korean Journal of Food Science and Technology
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• v.31 no.1
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• pp.238-245
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• 1999

Antioxidative effects of the water or ethanol extracts from Rhus verniciflua Stokes (RVS) were measured by protection against hydroxyl radicals in mouse brain tissue culture. In the water extracts from RVS, cell viabilities were estimated 60.0, 66.0, 72.0, 84.0 and 90.0% at addition of 1, 2, 4, 7 and $10{\mu}L$, respectively, compared with GO (20 mU/mL) alone. The cell viability in the ethanol extracts was similarly with water extracts. In the antitumor effects, the results showed that percentages of the HeLa cell death were approximately 24% for 12 hrs, 57% for 48 hrs at addition of 10%/well ethanol extracts respectively. To know inhibition of tumor growth, in vivo, mice (BALB/c) were inoculated with 0.25 mL CT-26 $(1{\times}10^6\;cells/mL)$ subcutaneously. After the generation of tumor, the results of RVS extracts (ethanol, water) injection showed generally that the tumor size in BALB/c was reduced. For physicochemical characterization of the RVS extracts, purified substances of water or ethanol extracts were analized with SDS-PAGE and ICP spectrometer. In electrophoresis, gel showed 2 bands (210, 230 KDa). The results of ICP verified that RVS extracts contain $Cu^{2+}$ in both samples. Conclusively, this substance might be a laccase which has a biological effective function, as a natural bioactive substance.

• YAKHAK HOEJI
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• v.45 no.5
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• pp.500-505
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• 2001

Puerariae Radix is one of the medicinal plants used in oriental medicine for hangover, It has been claimed for several pharmacological effects including anti-alcohol abuse, antidipsotropic activity and anti-alcohol intoxication. In connection with Puerariae Radix effects, an activity-guided purification of active substance on alcohol dehydrogenase (hnH) was carried-out. The most active compound was isolated as puerarin (C$_{21}$H$_{20}$ O$_{9}$ ), molecular weight 416. Puerarin inhibited ADH noncompetitively against ethanol or NAD$^{+}$./.

• Food Science and Preservation
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• v.10 no.4
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• pp.574-583
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• 2003

There have been a lot of research efforts on development of active food packaging structures and materials in the form of plastic films and containers, along with investigating novel polymers and bioactive compounds for packaging purpose, in order to improve storage stability and safety of foods during distribution and sale. Recently, great interests focus on antimicrobial package films, as an active packaging system, made from synthetic plastic polymer% and natural biopolymers containing various antimicrobial substances for food packaging applications. In this active system, substances are slowly released onto the food surface. However, antimicrobial activity as well as physical properties of the films can be significantly influenced by several factors such as polymer matrix, antimicrobial compounds, and interactions between polymers and compounds. Thus, this study reviews present status of antimicrobial food packaging films in overall performance aspects including types of polymers and active substances, test for antimicrobial activity, and changes in mechanical and antimicrobial properties by preparation method.

• Journal of the Korean Society of Food Science and Nutrition
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• v.44 no.6
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• pp.800-808
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• 2015

In this study, gastritis inhibitory substance was ethanol-extracted from Saururus chinensis in order to examine the effect as a part of natural bioactive substance research. In an oral administration experiment, S. chinensis was administered at doses of 0.25 g/kg B.W. to 2 g/kg B.W., resulting in stabilization at 1.5 g/kg B.W. and an $LD_{50}$ of 1.81 g/kg B.W. In a chronic toxicity experiment, 0.5 g/kg B.W. of S. chinensis was administered for 13 weeks, but toxicity was not observed. S. chinensis ethanol-extracts were administered at a concentration of 250 or 500 mg/kg B.W. before induction of gastritis. Gastrorrhagia, stomach edema, cytokine production, and cell damage were reduced in a concentration-dependent manner. Therefore, S. chinensis ethanol extracts inhibit cell damage by stress-induced hemorrhagic gastritis in a concentration-dependent manner via inhibition of cytokine expression.

• Proceedings of the Plant Resources Society of Korea Conference
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• 1999.10a
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• pp.58-64
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• 1999

As indicated by Chinese letters "사혁" (sha-ji) is the ripe fruit of Seabuckthron (Hippophae rhamnoides Linneus) Family Flaeagnaceae is one of ancient natural medicine used by the Tibetan and Mongolian nationallites with ancient methods to treat desease, It is an effectiv Traditional Tibetan medicine. Bud only now are they beginning to be understood in the world of modern medicine. Hippophae was written in the book of Traditional Tibetan Medicine - "Somalaza" (8th century), "Sibuyidian" (1840) and "Jingzhubencao" (Qing Dynasty). The "Sibuyidien" was trnslated in to the Russian and published at 1903 in the Russian. Then the Russian bigan to study on Hippophae and they have achieved great successes. The Chinese scientists began to study on the chemical constituent and medical action with modern technique at 1952. With more than 40 years painstaking eport they have conceived and used a wide variety of experimental screening systems, achieved successes. Finally the)1 with one's own tests has keen verified that the crude drug being various kind of bioactive substance could Inhibits tumor, increase immunity, wipe out free radical, prevent disease of cardiovascular system, have anti-radiation, anti-inflammeutory effects. At 1977 the Hippophae rhamnoides was written in Chinase Pharmacopoeia.e rhamnoides was written in Chinase Pharmacopoeia.