Changes of Physiological Activity by Drying Temperature in Leaf of Eriobotrya japonica
2009
Eom, H.J., Dongshin University, Naju, Republic of Korea | Kim, S.M., Dongshin University, Naju, Republic of Korea | Pyo, B.S., Dongshin University, Naju, Republic of Korea | Lee, K.I., Dongshin University, Naju, Republic of Korea
In DPPH radical and nitric oxide scavenging ability, the extract of lowest temperature condition(40-15H ; 15 hours at 40℃ for drying) exhibited highest activity. The total phenolic and flavonoid contents of each extracts were found to be 120.4~193.3 mg/g and 86.91~94.55 mg/g respectively. It is shown that 40-15H was the highest content in each compound. In antimicrobial activity, a lower drying temperature conditions were found to be more strong activities in disc diffusion assay and each extracts showed MIC of identical level against every tested microbial strains. However 100-2H(2 hours at 100℃ for drying) was exhibited MIC of slightly low level against some strains. And every extract showed fine cell viabilities(101.7~122.9%) against RAW 264.7 cell. In anti-proliferation activity against AGS, each extract showed a similar inhibition activity. However in anti-proliferation activity against HeLa, a lower drying temperature conditions showed more strong activities.
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