• Title/Summary/Keyword: Seeds Release Effect

Search Result 12, Processing Time 0.02 seconds

The Estimation and Economic Evaluation of Fisheries Benefit in Jeju Trial Sea Farm Project (제주 시범바다목장사업의 어업편익 추정과 경제성 평가)

  • Kang, Seok-Kyu
    • The Journal of Fisheries Business Administration
    • /
    • v.44 no.3
    • /
    • pp.29-46
    • /
    • 2013
  • The purpose of this study is to evaluate the economic validity of artificial reefs facilities and seeds release programs in Jeju Trial Sea Farm Project for raising fishing people's revenue. The results of this study show the artificial reefs facilities and seeds release programs have net present value of 15,962.63 million won, internal rate of retrurn 13.86%, and benefit-cost of 1.912 under a 5.5% social discount rate. This suggests that in Jeju trial sea farm project, artificial reefs facilities and seeds release programs increase fisherperson's revenue.

The study on the anti-allergic effect of Fagopyrum esculentum Moench(Me-mil) Extract. (메밀(蕎麥) 抽出物의 抗알레르기 反應에 對한 實驗的 硏究)

  • Jung, Ji-Young;Roh, Seok-Sun
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
    • /
    • v.15 no.1
    • /
    • pp.31-49
    • /
    • 2002
  • This Experimental study was done to research effects of Fagopyrum esculentum Moench(Me-mil) Extract on the anti-allergic effects. The results were obtained as follows : 1. All concentrations of Fagopyrum esculentum Moench Extract(Flours and seeds) inhibit histamine release under the vascular permeability response to intracutanenous injection. The result is proportion to concentration. But, rutin can't get considerable result. 2. All concentrations of Fagopyrum esculentum Moench Extract inhibit histamine release under the vascular permeability response to intraperitoneal injection of SD Rat in comparison with Diphenhydramine which is typical anti-histamine drug. 3. All concentrations of Fagopyrum esculentum Moench Extract inhibit histamine release under the vascular permeability response to per-oral during the three or five days. 4. In the result of quantification of histamine induced Compound $\frac{48}{80}$, Flours and seeds of Fagopyrum esculentum Moench Extract inhibit histamine release. 5. Among the fracination of Fagopyrum esculentum Moench Extract, $CHCl_3$ fraction inhibit histamine release effectively. 6. In the result of genetic manifestative inhibition about the Human mast cell treated PMA and A23187, Fagopyrum esculentum Moench Extract effect in the IL-4 and TNF-${\alpha}$ except IL-5. According to the above results, it is suggested that Fagopyrum esculentum Moench(Me-mil) Extract has anti-allergic effect.

  • PDF

Effect of Seed Leachates of 'Vernal' Alfalfa on Inhibition of Alfalfa Germination and Root Growth

  • Chon, Sang-Uk
    • KOREAN JOURNAL OF CROP SCIENCE
    • /
    • v.45 no.2
    • /
    • pp.134-138
    • /
    • 2000
  • Most parts of alfalfa plant have been reported to contain autotoxic substances that inhibit seed germination and early seedling growth, however, the chemical(s) is not still studied much. Effect of seed leachates of 'Vernal' alfalfa (Medicago sativa L.) was evaluated for inhibition of alfalfa germination and root growth through bioassay. Alfalfa seeds were extracted in 1 L deionized water for 1 h after soaking and the leachates caused to reduce root length of alfalfa significantly as the soaking time increased. Crude seeds at 4 g L$L^{-1}$ exudated autotoxins that reduce significantly root length by 34 % compared to the control, when the seeds soaked in deionized water for 24 h. However, the extracts did not affect final germination as well as speed of germination. Extracts from ground seeds significantly reduced speed of germination (GT 50) and root length. The results indicate that release of autotoxic substances from seeds during seed imbibition was increased with increase of soaking time and seed amount, and that autotoxicity was more occurred in ground seeds than in crude seeds.

  • PDF

Study on the Improvement Effect of the Seeds Release of Sea Cucumber, Stichopus Japonicus (돌기해삼(Stichopus japonicus)의 방류효과 향상 연구)

  • Kim, C.W.;Jeong, D.S.
    • Journal of Practical Agriculture & Fisheries Research
    • /
    • v.19 no.1
    • /
    • pp.15-23
    • /
    • 2017
  • Effects of artificial releases of sea cucumber around the marine ranching area in Jeollanam-do were showed very efficient by the released good seeds(total weight, 3.2g) in 'Wolhang', compared with those in 'Hwatae'. The survival rates were the higher in 'Wolhang' by 66.0% than in 'Hwatae' by 27.0%. The results indicates that the releasing effect of sea cucumber depended on the releas size. To analyze the productivity we investigated the growth and survival rates of sea cucumber according to the releasing area. Our result showed that the growth rate and survival rate was higher in 'Hwatae' than other areas. In 'Hwatae', the growth rate and survival rate were 6.2g and 32.1% respective. The results indicates that if the food supply is continued, although proceeding contamination the productivity of sea cucumber increased. Therefore, in order to enhancement and conservation of resource, bottom of fish cage should consider to the utilization.

Protective Effect of Vitis amurensis Stems and Leaves Extract on Hydrogen Peroxide-induced Oxidative Neuronal Cell Damage in Cultured Neurons (과산화수소수로 유도된 배양 뇌신경세포손상에 대한 왕머루 잎과 줄기 추출물의 보호효과)

  • Kim, Joo-Youn;Ju, Hyun-Soo;Ban, Ju-Yeon;Song, Kyung-Sik;Bae, Ki-Hwan;Seong, Yeon-Hee
    • Korean Journal of Medicinal Crop Science
    • /
    • v.17 no.1
    • /
    • pp.68-74
    • /
    • 2009
  • Vitis amurensis (VA; Vitaceae) has long been used in oriental herbal medicine. It has been reported that roots and seeds of VA have anti-inflammatory and antioxidant effects. In the present study, the protective effect of ethanol extract from stems and leaves of VA on hydrogen peroxide (${H_2}{O_2}$) (100 ${\mu}M$)-induced neuronal cell damage was examined in primary cultured rat cortical neurons. VA (10-100 ${\mu}g$/ml) concentration-dependently inhibited ${H_2}{O_2}$-induced apoptotic neuronal cell death measured by 3-[4,5-Dimethylthiazol-2-yl]-2,5-diphenyl-tetrazolium bromide (MTT) assay and Hoechst 33342 staining. VA inhibited ${H_2}{O_2}$-induced elevation of intracellular $Ca^{2+}$ concentration (${[Ca^{2+}]}_i$) and generation of reactive oxygen species (ROS), which were measured by fluorescent dyes. Pretreatment of VA also prevented glutamate release into medium induced by 100 ${\mu}M$ ${H_2}{O_2}$, which was measured by HPLC. These results suggest that VA showed a neuroprotective effect on ${H_2}{O_2}$-induced neuronal cell death by interfering with ${H_2}{O_2}$-induced elevation of ${[Ca^{2+}]}_i$, glutamate release, and ROS generation. This has a significant meaning of finding a new pharmacological activity of stems and leaves of VA in the CNS.

Anti-adipogenic Effects of Dongchimi Nano Juice in Mouse 3T3-L1 Adipocytes

  • Kong, Chang-Suk;Lee, Sun-Hyun;Seo, Jung-Ok;Park, Kun-Young;Rhee, Sook-Hee
    • Preventive Nutrition and Food Science
    • /
    • v.11 no.4
    • /
    • pp.285-288
    • /
    • 2006
  • The anti-adipogenic effect of dongchimi nano juice prepared using a nano-filtering process was investigated by measuring leptin and glycerol levels and the expression of a peroxisome proliferator-activated $receptor-\gamma\;(PPAR\gamma)$ gene as indicators of lipid accumulation or lipolysis. Red pepper powder, seeds of red pepper, garlic, and ginger were added in the preparation of dongchimi. Dongchimi was fermented to reach the optimal fermentation period, followed by nano-filtration in the range of $0.0005\sim0.1\;{\mu}m$. The lactic acid bacteria of dongchimi nano juice were removed completely by a nano-filtering process. Treatment of dongchimi nano juice induced glycerol release in the 3T3-L1 adipocytes and decreased the mRNA expression level of $PPAR\gamma$. These results suggested that dongchimi nano juice may enhance lipolysis and modulate adipogenesis in 3T3-L1 cells.

Effect of Storage Conditions on the Dormancy Release and the Induction of Secondary Dormancy in Weed Seeds (저장조건이 잡초종자의 휴면타파와 이차휴면 유도에 미치는 효과)

  • Kim, J.S.;Hwang, I.T.;Cho, K.Y.
    • Korean Journal of Weed Science
    • /
    • v.16 no.3
    • /
    • pp.200-209
    • /
    • 1996
  • It is assumed to be an efficient method for keeping a germinability of weed seeds as long as possible, if a secondary dormancy is not induced by transferring the seeds of which dormancy was broken in wetting condition into drying condition. To investigate its validity, two experiments were carried out on seeds of 9 weed species ; to find out the most effective storage condition in breaking the dormancy of each weed species and to know whether there is a decrease in the germinability by transferring into drying storage condition. The dormancy of Chenopodium album and Stellaria aquatica was released well under the drying condition, but that of Echinochloa crus-galli var. oryzicola by soaking in water. Other weed species were released from dormancy by storage in wetting condition. When the seeds stored in the wetting or soaking condition, are air-dried and then restored at room or low temperature, a decreasing tendency of germinability which might cause a trouble in using them practically, was not observed except on the seeds of Persicaria vulgaris. In the case of Persicaria vulgaris, the low germination since 3 month-storage seemed not to be caused by drying, because a decrease of its germinability was observed with increasing storage period in all of the storage conditions. In contrast, high germination was induced as the seeds of Echinochloa crusgalli var. oryzicola, which were not germinated during the storage in low temperature and wetting condition, were transferred into the room temperature and drying condition. These results suggest that this approach can be one of the efficient methods for keeping a good germinability as long as possible in most weed seeds.

  • PDF

Lipolytic Effect of Supercritical Extraction from Pine Cone (Pinus koraiensis) in Mature 3T3-L1 Adipocytes (분화된 3T3-L1 세포에서 잣송이 초임계 추출물의 지방분해 효과)

  • Lee, Minhee;Nam, Da-Eun;Kim, Ok Kyung;Heo, Seok Hyun;Lee, Jeongmin
    • Journal of the Korean Society of Food Science and Nutrition
    • /
    • v.43 no.9
    • /
    • pp.1342-1348
    • /
    • 2014
  • Seeds of Korean pine cone (Pinus koraiensis) have long been consumed as an edible food in countries located in North-East Asia, On the other hand, Korean pine cone, containing various polyphenols, is discarded as a useless garbage after removing seeds. This study investigated the lipolytic effects of pine cone extract in differentiated 3T3-L1 adipocytes. Intracellular lipid accumulation was measured by Oil red O staining, free glycerol release by colorimetric reaction, and expression of genes related to lipid metabolism by real-time PCR. Compared to control, pine cone extract reduced intracellular lipid accumulation by 8.8% and increased free glycerol release by 8.2% a concentration of $5{\mu}g/mL$ in differentiated 3T3-L1 adipocytes. mRNA levels of fatty acid synthesis were not significantly different between control and pine cone extract, but mRNA levels of lipoprotein lipase (LPL) and hormone-sensitive lipase (HSL) significantly increased by 38.7% and 94.1% at a concentration of $5{\mu}g/mL$, respectively. Thus, pine cone extract is suggested to have lipolytic effects through induction of LPL and HSL gene expression.

Effect of Sesamin on Apoptosis and Cell Cycle Arrest in Human Breast Cancer MCF-7 Cells

  • Siao, An-Ci;Hou, Chien-Wei;Kao, Yung-Hsi;Jeng, Kee-Ching
    • Asian Pacific Journal of Cancer Prevention
    • /
    • v.16 no.9
    • /
    • pp.3779-3783
    • /
    • 2015
  • Dietary prevention has been known to reduce breast cancer risk. Sesamin is one of the major components in sesame seeds and has been widely studied and proven to have anti-proliferation and anti-angiogenic effects on cancer cells. In this study, the influence of sesamin was tested in the human breast cancer MCF-7 cell line for cell viability (MTT assay) and cell cycling (flow cytometry). Results showed that sesamin dose-dependently (1, 10 and $50{\mu}M$) reduced the cell viability and increased LDH release and apoptosis (TUNEL assay). In addition, there was a significant increase of sub-G1 phase arrest in the cell cycle after sesamin treatment. Furthermore, sesamin increased the expression of apoptotic markers of Bax, caspase-3, and cell cycle control proteins, p53 and checkpoint kinase 2. Taken together, these results suggested that sesamin might be used as a dietary supplement f or prevention of breast cancer by modulating apoptotic signal pathways and inhibiting tumor cell growth.

Protection of NMDA-Induced Neuronal Cell Damage by Methanol Extract of Myristica Fragrans Seeds in Cultured Rat Cerebellar Granule Cells

  • Ban, Ju-Yeon;Cho, Soon-Ock;Kim, Ji-Ye;Bang, Kyong-Hwan;Seong, Nak-Sul;Song, Kyung-Sik;Bae, Ki-Whan;Seong, Yeon-Hee
    • Natural Product Sciences
    • /
    • v.10 no.6
    • /
    • pp.289-295
    • /
    • 2004
  • Myristica fragrans seed from Myristica fragrans Houtt (Myristicaceae) has various pharmacological activities peripherally and centrally. The present study aims to investigate the effect of the methanol extract of Myristica fragrans seed (MF) on N-methyl-D-aspartate (NMDA)-induced neurotoxicity in primary cultured rat cerebellar granule neuron. MF, over a concentration range of 0.05 to $5\;{\mu}g/ml$, inhibited NMDA (1 mM)- induced neuronal cell death, which was measured by trypan blue exclusion test and 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl-tetrazolium bromide (MTT) assay. MF $(0.5\;{\mu}g/ml)$ inhibited glutamate release into medium induced by NMDA (1 mM), which was measured by HPLC. Pretreatrnent of MF $(0.5\;{\mu}g/ml)$ inhibited NMDA (1 mM)-induced elevation of cytosolic calcium concentration $([Ca^{2+}]_c)$, which was measured by a fluorescent dye, Fura 2-AM, and generation of reactive oxygen species (ROS). These results suggest that MF prevents NMDA-induced neuronal cell damage in vitro.