The study examined qualities including chlorophyll, total phenol, total flavonoid content and antioxidative activity in 7-year-old mistletoe that was artificially cultivated with Japanese apricots as the host. The chlorophyll a content of the artificially cultivated Japanese apricot mistletoe leaves was 7.67 mg/g (old leaves) and 3.17 mg/g (new leaves), while the chlorophyll b content was 0.80 ~ 3.53 mg/g and 1.31 ~ 3.56 mg/g. The carotenoid content of the Japanese apricot mistletoe leaves were in the range of 0.29 ~ 2.48 mg/g, and the old leaves (1.85 mg/g) had a carotenoid content 2.1 times higher than the new leaves (0.89 mg/g). The total polyphenol content of the leaves and nodes of the 7-year-old mistletoe was 60.22 mg/100 g TAE for the leaves and 35.50 mg/100 g TAE for the nodes. Among the host trees, polyphenol content was highest (81.44 mg/100 g TAE) in the old mistletoe leaves of the Quercus mongolica, while the total flavonoid content of the Japanese apricot mistletoe was higher in the new leaves (47.89 mg/100 g RUE) than the old leaves (42.19 mg/100 g RUE). The DPPH radical scavenging ability of the Japanese apricot mistletoe scored a low 22.4 ~ 28.5% in the leaves, but was relatively high in the nodes at 52.4 ~ 80.1%. In terms of 1mg/mL concentration, the new leaves (69.1%) and old leaves (82.3%) of the Quercus monglica mistletoe displayed the highest inhibition rate. Chestnut mistletoe displayed an inhibition rate of 21.9 ~ 31.9% for the leaves, and 35.0 ~ 63.8% for the nodes. These results indicate that Japanese apricot mistletoe would be substitute oak tree mistletoe as a source of bio-active property for functional food and medicine.

This study was conducted to investigate the total polyphenol, total flavonoid and the antioxidant activity in different origin and parts of Moringa olerifera cultivated in Cheorwon. The extraction yield from leaf, root and stem were 25.5, 23.0, 12.3%, respectively. The total polyphenol content was high in the leaf extracts (15.77 mg/g) followed by root extracts (11.23 mg/g) and stem extracts (3.50 mg/g) but the difference of origin was not observed. The total flavonoid content was high in the leaf extracts (14.78 mg/g) followed by stem (1.36 mg/g) and root (1.14 mg/g). The total flavonoid content of Philippines and Thailand leaf were statistically high compared to india leaf. The DPPH radical scavenging activity was high in the leaf extracts at the 1 mg/ml, 0.25 mg/ml but the difference of origin was not observed. The DPPH radical scavenging activity may be attributed to the presence of several compounds such as polyphenol and flavonoid. Hence consumption of diet supplemented with Moringa olerifera leaves could protect the human against diseases induced by oxidative stress.

Background : Mistletoe grown in eurasian continent range from England to northern Asia. It has abundant chlorophyll and phenolic compound in node and leaf which has anticancer activity. The purpose of the study is to improve nutritional quality and composition of the amino acids and mineral along with increasing seed set rates and productivity of Viscum album on Prunus mume. Methods and Results : This study was conducted to compare plant nutrients such as total nitrogen, Ca, Fe, K, Mg, Mn, Na, P and composition of amimo acids in leaves between Viscum album and its host tree, Prunus mume, which were artificially cultivated in field and green house with or without treatment of fertilizer. Total nirogen content in leaves of mistletoe and its host tree, Prunus mume was 3.90% and 2.09% in the fields fertilized and non-fertilized, respectively. In a greenhouse fertilized, mistletoe leaves contained higher nitrogen (3.78%) compared to the host tree (3.06%). NO3-N content in leaves was also higher in mistletoe (37.5 ppm & 20 ppm) than in host tree (22.5 ppm & 12 ppm) in a field fertilized and non-fertilized. Ca content (1.18%) were same in leaves of mistletoe and host tree in the field fertilized. Contents of Fe, K, and Mn in leaves of mistletoe were 61.37 ㎎/㎏, 3.33%, and 127.59 ㎎/㎏, which were 16%, 13%, and 48% lower than host tree, respectively. On the other hand, contents of Mg, N, and P were 0.22%, 127.95 ㎎/㎏, and 0.48%, which were 5%, 148%, and 92% higher than host tree, respectively. K contents were higher in host tree fertilized (3.33% in field & 2.55% in greenhouse) while higher K (4.07%) was contained in a field non-fertilized compare to host tree (3.96%). However, P content was higher in mistletoe grown in field (0.48%) and greenhouse (0.42%) fertilized. In non-fertilized field, mistletoe leaves contained higher P (0.65%) rather than in host tree (0.29%). Eighteen kinds of amino acids were investigated in leaves of host plant by 20 - 87%. Conclusion : This study indicates that nutrient management including fertilization is important to improve nutritional quality and productivity of mistletoe in the artificial cultivation on Prunus mume.