• The Hankook-Saengyark Bo
• /
• no.237
• /
• pp.3-3
• /
• 2000

• The Korean Journal of Food And Nutrition
• /
• v.25 no.3
• /
• pp.430-435
• /
• 2012

The objectives of this study were to form comparisons of total polyphenol compounds, the antioxidant activities and the urushiol contents of lacquer tree(Rhus verniciflua) bark and the sensory properties of chicken soup was made with lacquer tree bark that was cultivated from different cultivation areas; Hamyang, Wonju and China. Total polyphenol contents of Hamyang, Wonju and China were estimated as $375.28{\pm}3.48$, $403.60{\pm}6.6$ and $311.06{\pm}4.99$ mg/g. The total flavonoids contents of Hamyang, Wonju and China were measured as $374{\pm}14.12$, $683.70{\pm}12.64$ and $334.64{\pm}18.40$ mg/g. The total phenolic compounds and flavonoids concentration, DPPH radical scavenging activity, and ABTS radical scavenging of lacquer tree cultivated in Wonju were higher than the others; Hamyang and China. The urushiol content of lacquer tree bark from Hamyang was $4.59{\pm}0.04$ ppm and higher than others. Urushiol was not detected in China lacquer tree bark. Sensory evaluation tests for chicken soup containing lacquer tree bark showed that the scores of Wonju lacquer tree bark chicken soup was highest, however there are no differences between Hamyang, Wonju, and China significantly(p<0.05).

• Monthly Korean Chicken
• /
• v.5 no.2 s.44
• /
• pp.2-6
• /
• 1999

농림부, 축산경영자금 상환 연기 - 99년 종계 양허관세 물량 배정 -가축방역사업 예산 2백41억원 - 농림부, 가료관리법 시행규칙 개정 - 우리나라 육계사육수수 세계 21위권 - 미국의 닭고기 수급 하락세 - 중국, 축산물수출 부진 - 축협 - 육계 계약농가선정 본격화 - 알레르기 없는 옻닭 개발 - 대만, 가금육 소비증가율 높아 - 구조조정에 따른 닭고기 공급 부족으로 가격 강세

• The Korean Journal of Food And Nutrition
• /
• v.16 no.1
• /
• pp.60-65
• /
• 2003

An antioxidant compound was obtained from the water extract of the stem bark from Rhus verniciflua, which has been used in traditional folk remedies. The compound was purified by HPLC, using DEAE, CN and ODS columns. The chemical structure of the compound was identified as gallic acid (3,4,5-hydroxylbenzoic acid) by spectral data including UV, IR, EI (HR)-MS, $^1$H-NMR, $\^$13/C-NMR and elemental analyzer. This compound was found show cytotoxicity against HeLa cell ( IC$\_$50/ : 8.5$\mu\textrm{g}$/$m\ell$).

• The Korean Journal of Food And Nutrition
• /
• v.14 no.6
• /
• pp.527-531
• /
• 2001

In order to isolate antioxidant substances from Rhus verniciflua (RV) , the dried stem bark was extracted with water. The crude water extracts was purified by using HPLC method with a DEAE (anionic type) , CN and ODS column. The purified compound remained stable at pH 3.0∼6.0. but unstable above pH 6.5. It was stable at 100$^{\circ}C$ for 4 hours, but still had about 80% of residual activity after treatment at 100$^{\circ}C$ for 5 hours. In antimicrobial test, no inhibition was observed against Gram-positive and negative bacteria. This compound was stronger than that of commercial antioxidant showed that DPPH test, such as BHT, BHC at the same concentration (20 $\mu\textrm{g}$/ml) .

• The Korean Journal of Food And Nutrition
• /
• v.19 no.3
• /
• pp.267-270
• /
• 2006

In Korea, for a long time Rhus verniciflua has traditionally been used as an herbal medicines plants. A stem of Rhus verniciflua has been used to treat gastrointestinal trouble with in form of boiled chicken as a folk medicine. But it has been recognized as an extremely active allergen causing skin reactions. The chief allergenic component, urushiol, is found within the oleoresinous sap of Rhus verniciflua. Most components of urushiol have unsaturated side chains. These unsaturated side chains of urushiol are important to polymerization of these natural products. The urushiol components in Korean lacquer were isolated by reversed phase HPLC. The molecular weight of purified urushiol was determined as 340 from mass analysis. This compound was identified as Heptadecatetraenyl catechol (MW 340).

• The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
• /
• v.34 no.2
• /
• pp.91-98
• /
• 2021

Objective : The purpose of this study is to report a case of lacquer allergy improved by Korean medicine treatment. Methods : The patient visited our hospital complaining of rash, and pruritus which lasted for 10days after eating lacquer chicken. Considering that patient's symptoms occurred due to food allergen, we prescribed Injinho-tang(Yinchenhao-tang) and acupuncture at Daejang-Junggyeok for 7days. Results : On the 4th day of treatment, pruritus decreased to less than half of the initial treatment, and skin symptoms also improved to a mild level. About a week later, most of the skin symptoms disappeared (Total Objective Symptom score decreased 10 to 3), and subjective symptoms such as pruritus improved to about 30% of the time of the first visit (Total Subjective Symptom score decreased 12 to 3). Conclusions : After 7days of Korean medicine treatment, lacquer tree allergy with skin lesions and pruritus has improved considerably.