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박윤점 ( Yun Jum Park ),김현주 ( Hyun Ju Kim ),김영민 ( Young Min Kim ),조자용 ( Ja Yong Cho ),허북구 ( Buk Cu Heo ) 원광대학교 생명자원과학연구소 2009 생명자원과학연구 Vol.31 No.1
This study was conducted to determine the physiological activity of sweet flag extracts by hot distilled water, ethanol and methanol from the leaves and the rhizomes of Acorus gramineus. The highest total phenolic contents were measured in the ethanol extracts from the leaves of sweet flag plants (119.4 mg-L-1) followed by rhizome extracts (34.5 mg·L-1) at the extracting concentration of 1,000 mg·L-1. At 1,000 mg·L-1, DPPH radical scavenging activity were most increased in the leaf extracts with the hot distilled water by 69.3% and rhizome with the ethanol by 48.1%. Total flavonoid contents at 1,000 mg·L-1 extracting concentration were the greatest amount in the aqueous leaf extracts (116.2 mg·L-1), and the aqueous rhizome extracts (10.5 mg·L-1). Nitrite radical scavenging activity at 1,000 mg·L-1 were highest in the methanol extracts from leaves and rhizomes by 70.9% and 88.8%. Mushroom tyrosinase inhibition activity of leaves and rhizome at the extracting concentration of 4,000mg·L- were below 2.0% regardless of the chemical solvent and the extracting regions of plants.
자생백련의 연잎 수확량이 개화와 연근 수확에 미치는 영향
임명희 ( Myung Hee Im ),김병운 ( Byoung Woon Kim ),박용서 ( Yong Seo Park ),박윤점 ( Yun Jum Park ),조자용 ( Ja Yong Cho ),허북구 ( Buk Cu Heo ) 원광대학교 생명자원과학연구소 2009 생명자원과학연구 Vol.31 No.1
This study was conducted to examine the effect of leaf harvesting amount on the number of white lotus flowered and the enlarged rhizome yield during the cultivation of the white lotus. We have planted the white lotus in the rubber containers 92 cm diameter and 52 cm height on Apr. 20, 2008, harvested the lotus leaves on Aug. 2, 2008, and also harvested the enlarged rhizome on Dec. 20, 2008. Number of flowers per plant were as followed that control (4.4), 25% leaves harvesting treatment (3.7), and 50% leaves harvesting treatment (2.7). Enlarged rhizome yield per one plant were that control (4,210 g), 25% leaves harvesting treatment (3,162 g), and 50% leaves harvesting treatment (2,588 g). Number of enlarged rhizome per plant were that control (9), 25% leaves harvesting treatment (6), and 50% leaves harvesting treatment (5). Internode length per plant were that control (22), 25% leaves harvesting treatment (18), and 50% leaves harvesting treatment (14). Consequently, it should be considered that the lotus leaves harvesting have led to the decrease in the number of plants flowered and the enlarged rhizome yield.
徐永南,李鍾一,崔成圭,許北九,崔景柱 순천대학교 기초과학연구소 1993 基礎科學硏究誌 Vol.4 No.-
As environmentical paraments in order to the effect of for long-stay patient, 180 and sickrooms of 11 general hospital state for using and the role were examinated. 1. Garden plant was used by 46.7% for long-stay patient, the motive of inducing was 90.3% for the leisure and improvement of sickrooms. 2. The motive of inducing was satisfied beyond 60% of non-users of garden plant hope to induce, Astor reason of unused sickrooms environment is bad, including untitted of plant position 70%. 3. User of the plant does not dislike than non-user in the life of the hospital. 4. Psychological state of long-stay patient is negative user of the plant or non-user than normal person, but non-user is more negativity.