Abstract:
PURPOSE: A Chinese chive variety for protected cultivation in winter is provided, which Chinese chive variety has thicker leaves, lighter colored leaves and stronger growth activity than the prior variety. CONSTITUTION: A Chinese chive variety for protected cultivation in winter is prepared by crossbreeding YCA15 as a mother plant with greenbelt as a father plant using apomixis, wherein the Chinese chive variety has shallow dormancy and strong low temperature extension as ecological characteristics, and 35.4±5cm of grass length, 7.4±1.0mm of leaf width, 5.0±1.0 of tillering number, bright green(10GY) of leaf color, 76.5±10cm of flower stalk length, 88±10 of flower number per a flower stalk, yellow of stamen color, and white of flower color as morphological characteristics.
Abstract:
PURPOSE: An anticancer compound isolated from Asparagus oligoclonos Maxim. and a purification method thereof are provided. The isolated compound has improved anticancer activity. CONSTITUTION: An anticancer compound is isolated from Asparagus oligoclonos Maxim, and includes (25S)-5β-spirostan-3β, 17α-diol-3-0-β- D-xylopyranosyl-(1→2)- £α -L-rhamnopyranosyl-(1→4)|-β- D-glucopyranoside represented by formula 1. A method for extracting the anticancer compound of the formula 1 comprises the steps of: repeatedly extracting Asparagus oligoclonos Maxim. using an organic solvent, followed by solvent-distribution; and subjecting the extract of Asparagus oligoclonos Maxim. to chromatography.
Abstract:
PURPOSE: A method for non-destructive analysis of one seed grain by near infrared ray absorption spectrum is provided to precisely analyze the components and characteristics of one seed grain in a short time without using any additional chemical analysis equipments. CONSTITUTION: A method for non-destructive analysis of one seed grain by near infrared ray absorption spectrum includes the steps of measuring near infrared ray absorption spectrums(400-2500mm) of 30-100 seeds of selected grain samples by a horizontal manual module, correcting absorbancy per wavelength measured by 30-100 grains respectively with a single average absorption spectrum per wavelength, randomly distinguishing 150 averaged absorption spectrum into about 100 estimation model developing models and about 50 estimation model testing models, correcting the uniformity of the samples by using a sieve of 60 mesh after preparing powdered samples, testing the moisture content of the powdered samples by drying for 2 hours in a drier of 105°C, precisely carrying out chemical analysis of contents of components such as protein and fat contained in the powdered samples twice or more, removing samples of which a difference in the chemical analysis is beyond a range of 0.2-0.4% from the models, inserting real component contents of which moisture contents are corrected into the measured average absorption spectrum, carrying out the statistic analysis for setting optimum estimation models for the respective components, and selecting the optimum estimation models by discriminating the precision of the estimation models.
Abstract:
PURPOSE: Provided is a natural aspaoligonin isolated from Asaragus oligoclonos Maxim. Also, an isolating method thereof is provided. The aspaoligonin is potentially developed into medical supplies if its medicinal action is examined. CONSTITUTION: The aspaoligonin represented by formula (1) is isolated from Asaragus oligoclonos Maxim. by the following steps of: grinding the dried roots of Asaragus oligoclonos Maxim.; extracting the grinded roots with methanol at room temperature; filtering the extract solution and concentrating the filtrate under vacuum condition; dissolving the concentrates in distilled water and defatting the solution with ether; extracting the water layer of the defatted solution with butanol to obtain the butanol fragment; purifying the butanol fragment by chromatography on silica gel to obtain 20 fragments; and purifying the 5th fragment by using Sep-Pak C18 to obtain aspaoligonin.
Abstract:
PURPOSE: A Chinese chive variety for bare ground cultivation is provided, which Chinese chive variety can pass the winter in the bare ground without damage. CONSTITUTION: A Chinese chive variety for bare ground cultivation is prepared by crossbreeding YCA 9 as a mother plant with greenbelt as a father plant using apomixis, wherein the Chinese chive variety has deep dormancy, weak low temperature extension, and perpendicular type grass as ecological characteristics, and 36.7±5cm of grass length, 5.5±1.0mm of leaf width, 8.0±1.0 of tillering number, deep green of leaf color, 58.7±10cm of flower stalk length, 81±10 of flower number per a flower stalk, brown of stamen color, and white with small yellow and brown line of flower color as morphological characteristics.
Abstract:
PURPOSE: An anticancer compound isolated from Asparagus oligoclonos Maxim. and a purification method thereof are provided. The isolated compound has improved anticancer activity. CONSTITUTION: An anticancer compound is isolated from Asparagus oligoclonos Maxim, and includes (25S)-5β-spirostan-3β, 17α-diol-3-0-β- D-xylopyranosyl-(1→2)- £α -L-rhamnopyranosyl-(1→4)|-β- D-glucopyranoside represented by formula 1. A method for extracting the anticancer compound of the formula 1 comprises the steps of: repeatedly extracting Asparagus oligoclonos Maxim. using an organic solvent, followed by solvent-distribution; and subjecting the extract of Asparagus oligoclonos Maxim. to chromatography.
Abstract:
본 발명은 단순구조로 각 부품들을 견고하게 고정시킴과 아울러 종자와 비료가 적정 간격으로 균일하게 파종되도록 그 구조가 개선된 파종장치에 관한 것으로, 그 구성은 콤바인의 상부에 장착되며 종자와 비료가 수용되는 탱크와, 탱크에 저장된 종자와 비료를 흡입, 송출시키는 송풍수단과, 탱크와 송풍수단을 콤바인의 상부에 고정시키는 고정수단과, 송풍수단으로부터 송출되는 종자와 비료를 지면에 인접한 위치로 이송하기 위한 방출구가 형성된 이송수단과, 이송수단의 후단부를 상기 콤바인의 후하단에 고정시키는 지지수단과, 이송수단의 방출구를 통해 방출되는 종자와 비료를 지면에 균일하게 분산시키도록 통기공이 형성된 유도판을 갖는 유도유니트를 구비하여 된 것이다. 이에 의하면, 본 발명은 송풍수단의 송풍력을 이송수단에 균일하게 배분하여 적정량의 종자와 비료가 균일하게 방출되도록 함과 아울러, 탱크와 송풍수단을 콤바인의 상부면에 견고하게 결합시켜 안전사고를 예방할 수 있는 이점을 갖는다.
Abstract:
본 발명은 2모작 재배경지에서 재배되는 작물을 수확하는 동시에 송풍방식에 의해 종자(種子)와 비료(肥料)를 동시에 살포하여 파종이 이루어지도록 하는 파종장치에 관한 것으로서, 콤바인 등과 같은 농기계에 장착하여 자동적으로 파종하는 파종장치에 있어서, 상기 콤바인 상부에 제공되며, 종자와 비료 등이 수용하는 탱크(10)와, 상기 탱크(10)에 저장된 종자와 비료를 흡입, 송출시키는 송풍수단(20)과, 상기 송풍수단(20)로부터 송출되는 종자와 비료를 지면에 인접한 위치로 이송하며 방출구가 형성된 이송수단(30)과, 상기 이송수단(30)의 방출수가 지면에 입접하게 배치되도록 이송수단의 후단부를 콤바인(100)의 후하단에 고정시키는 지지수단(50)과, 상기 이송수단(30)의 방출구를 통해 방출되는 종자와 비료를 지면에 균일하게 분산시키도록 이송수단 의 방출구에 인접하여 제공되는 유도유니트(40)를 포함하여 종자와 비료들이 볏짚밑에 먼저 떨어지게 되므로 볏짚으로 인한 맥류 파종작업의 장애를 극복할 수 있으며, 볏짚의 소각에 의한 환경오염도 감소하는 것을 특징으로 한다.
Abstract:
PURPOSE: A method for non-destructive analysis of one seed grain by near infrared ray absorption spectrum is provided to precisely analyze the components and characteristics of one seed grain in a short time without using any additional chemical analysis equipments. CONSTITUTION: A method for non-destructive analysis of one seed grain by near infrared ray absorption spectrum includes the steps of measuring near infrared ray absorption spectrums(400-2500mm) of 30-100 seeds of selected grain samples by a horizontal manual module, correcting absorbancy per wavelength measured by 30-100 grains respectively with a single average absorption spectrum per wavelength, randomly distinguishing 150 averaged absorption spectrum into about 100 estimation model developing models and about 50 estimation model testing models, correcting the uniformity of the samples by using a sieve of 60 mesh after preparing powdered samples, testing the moisture content of the powdered samples by drying for 2 hours in a drier of 105°C, precisely carrying out chemical analysis of contents of components such as protein and fat contained in the powdered samples twice or more, removing samples of which a difference in the chemical analysis is beyond a range of 0.2-0.4% from the models, inserting real component contents of which moisture contents are corrected into the measured average absorption spectrum, carrying out the statistic analysis for setting optimum estimation models for the respective components, and selecting the optimum estimation models by discriminating the precision of the estimation models.
Abstract:
PURPOSE: A Chinese chive variety for protected cultivation in spring is provided, which Chinese chive variety can grow rapidly in spring. CONSTITUTION: A Chinese chive variety for protected cultivation in spring is prepared by crossbreeding YCA 15 as a mother plant with YCA 6 as a father plant using apomixis, wherein the Chinese chive variety has medium dormancy and medium low temperature extension as ecological characteristics, and 28.0±5cm of grass length, 4.9±1.0mm of leaf width, 11.1±2.0 of tillering number, bright green(10GY) of leaf color, 51.9±10cm of flower stalk length, 36±10 of flower number per a flower stalk, yellow(10Y) of stamen color, and white of flower color as morphological characteristics.