KR100454096B1 - Chemical compound of growth inhibition of cyanobacteria by allelopathic substances of land plant extract - Google Patents
Chemical compound of growth inhibition of cyanobacteria by allelopathic substances of land plant extract Download PDFInfo
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- KR100454096B1 KR100454096B1 KR10-2002-0034173A KR20020034173A KR100454096B1 KR 100454096 B1 KR100454096 B1 KR 100454096B1 KR 20020034173 A KR20020034173 A KR 20020034173A KR 100454096 B1 KR100454096 B1 KR 100454096B1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/06—Coniferophyta [gymnosperms], e.g. cypress
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N2300/00—Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48
Abstract
본 발명은 육상식물체 추출물로 제조된 타감작용 물질을 함유한 남조류의 성장 억제 조성물에 관한 것으로서, 더욱 상세하게는 참나무과인 붉가시나무와 상수리나무, 소나무과인 구상나무, 감나무과인 고욤나무의 메탄올 추출물을 단독 또는 일정비율 혼합 사용하여 제조된 타감작용 물질을 함유함으로써 부영양화의 이차오염 및 부작용을 최대로 줄이며 환경친화적인 남조류의 성장 억제에 효과적인 조성물에 관한 것이다.The present invention relates to a growth inhibitory composition of cyanobacteria containing persimmon-acting substances prepared from terrestrial plant extracts, and more specifically, methanol extracts of red oak and oak, oak, spruce, and persimmon. Or by containing a rudder sensitizing substance prepared using a certain ratio of mixing to reduce the secondary pollution and side effects of eutrophication and to effectively inhibit the growth of environmentally friendly algae.
Description
본 발명은 육상식물체 추출물로 제조된 타감작용 물질을 함유한 남조류의 성장 억제 조성물에 관한 것으로서, 더욱 상세하게는 참나무과인 붉가시나무와 상수리나무, 소나무과인 구상나무, 감나무과인 고욤나무의 메탄올 추출물을 일정비율 혼합 사용하여 제조된 타감작용 물질을 함유함으로써 부영양화의 이차오염 및 부작용을 최대로 줄이며 환경친화적인 남조류의 성장 억제에 효과적인 조성물에 관한 것이다.The present invention relates to a growth inhibitory composition of cyanobacteria containing persimmon-acting substances prepared from terrestrial plant extracts, and more particularly, methanol extracts of red oak and oak, pine tree, spruce, and persimmon. The present invention relates to a composition which is effective in inhibiting the growth of environmentally friendly cyanobacteria by minimizing secondary pollution and side effects of eutrophication by containing a sensitizing substance prepared using ratio mixing.
기존의 녹조제어 방법으로 여러 분야에서 물리, 화학, 생물학적인 방법이 동원되었다. 물리적인 방법으로서 퇴적물 준설, 심층폭기, 여과법, 원심분리 등이 이용되지만 일시적인 효과와 비용이 많이 소요되는 등의 단점을 가진다. 생물학적인 방법으로서 천적생물 이용, 섭식생물 이용, 대형어류 방류를 통한 생태적 방법 등이 있으나 아직 국내에서는 실용화 단계에는 이르지 못하고 있다. 화학적인 방법으로는 전기분해법, 이온법, 응집제 투여, 황산동 등 살조제 살포, 황토의 살포, 항생제 등이 고려되고 있는데, 구리나 알루미늄 화합물 등을 이용한 살조제는 이미 생물체에 미치는 독성이 여러 차례 보고된 바 있으며, 이차적인 환경오염과 비경제적인 단점을 가지고 있다.Existing green algae control methods have been used in various fields such as physical, chemical and biological methods. As a physical method, sediment dredging, deep aeration, filtration, centrifugal separation, etc. are used, but they have disadvantages such as temporary effect and high cost. Biological methods include the use of natural organisms, the use of feeding organisms, and the ecological methods through large fish stocks, but they have not yet reached the practical stage in Korea. Chemical methods include electrolysis, ion method, flocculant administration, spraying of algae such as copper sulfate, spraying of ocher, and antibiotics.Also, algae using copper or aluminum compounds have already been reported to be toxic to living organisms. It also has secondary environmental pollution and uneconomical disadvantages.
현재 우리나라와 세계 여러 나라들은 자연계에서 추출한 물질을 이용하여 조류를 제어하고자 하는 경향을 보이고 있다. 우리나라에서는 대형 해조류인 다시마로부터 고분자 알긴산을 추출하여 적조생물을 제어하는 물질을 개발하였고, 육상과 수생식물로부터의 물질을 조류제어에 이용하고자 하였다. 조류제어를 목적으로 연구된 육상식물로는 잣나무, 소나무, 은행나무, 벼 등이 있으며, 수생식물로서는 애기마름, 줄, 갈대, 애기부들, 꽃창포 등이다. 이 식물체들은 모두 물에 의한 추출을 하여 조류제어에 이용되어졌다. 외국에서는 오래 전부터 식물로부터 얻어진 추출물을 이용하여 조류를 제어하는 일을 해왔다. 대형 해조류를 이용한 적조제어는 이미 40여 년 전부터 연구되어졌고, 상수리나무, 밀짚, 보릿짚 등의 육상의 식물체에서 물을 사용해서 추출한 물질을 이용하여 조류를 제어하는 방법에 대해서도 여러 연구사례들이 있다.Currently, Korea and many countries around the world tend to control algae using materials extracted from nature. In Korea, we developed a material to control red tide organisms by extracting polymer alginic acid from kelp, a large seaweed, and to use the materials from land and aquatic plants for algae control. The land plants studied for algae control include pine, pine, ginkgo, and rice. The aquatic plants include dried cedar, rope, reed, babies and irises. These plants were all extracted by water and used for algae control. Foreign countries have long been used to control algae using extracts from plants. Red tide control using large algae has been studied for more than 40 years, and there are several research cases on how to control algae using water extracted from land plants such as oak, straw and barley straw.
기존의 조류제어에 관련된 특허기술로는 선태류 지의류 조류와 균류 또는 미소식 물의 병원체 억제를 위한 화합물과 사용법(국내 출원번호 제 1986-009516호), 항생제에 의한 조류의 억제방법(국내 출원번호 제 1994-704863호), 모라셀라 속 균주와 이를 이용한 남조류의 제거방법(국내 출원번호 제 1996-003343호), 항미생물성 화합물 및 이들을 이용한 미생물의 성장 억제방법(국내 출원번호 제 1996-050404호), 적조, 녹조 현상 방제를 위한 환원 소성한 황토의 제조방법(국내 출원번호 제 1998-018068호), 조류 제거제 제조방법 및 살포방법(국내 출원번호 제 1998-037643호), 조류 제거기(국내 출원번호 제 1999-007836호), 동물 플랑크톤 육성 방법과 이를 이용한 수질 정화방법(국내 출원번호 제 2000-030568호), 적조류 및 녹조류 방조제의 제조방법(국내 출원번호 제 2000-075133호), 이온 발생과 이온치 제어를 통한 수처리 장치 및 그 방법(국내 출원번호 제 2001-044675호) 등이 있다.Existing patent technologies related to algae control include compounds and methods for inhibiting pathogens of lichen algae and fungi or microflora (National Application No. 1986-009516), and methods of inhibiting algae by antibiotics (Domestic Application No. 1994). -704863), Morasella genus strains and methods for removing cyanobacteria using the same (Domestic Application No. 1996-003343), antimicrobial compounds and methods of inhibiting the growth of microorganisms using them (Domestic Application No. 1996-050404), Manufacturing method of reduced calcined ocher for the control of red tide and green algae phenomenon (Domestic Application No. 1998-018068), Algae Remover Manufacturing Method and Spraying Method (Domestic Application No. 1998-037643), Algae Eliminator (Domestic Application No. 1999-007836), animal plankton growth method and water purification method using the same (Domestic Application No. 2000-030568), manufacturing method of red algae and green algae shelter (Domestic Application No. 2000-075133), A water treatment apparatus and method through the on-generating and ion control values and the like (Japan Application No. 2001-044675 No.).
상기와 같은 기술에서 생물학적인 방법은 대부분 연구단계에 머물러 있으며, 물리적인 방법은 대규모의 녹조방제에 적용시 많은 비용이 소요된다. 또한, 화학적인 방법은 많은 비용과 더불어 독성과 이차오염 발생의 문제점이 있었다.In the above techniques, most biological methods remain at the research stage, and the physical methods are expensive when applied to large-scale algae control. In addition, the chemical method has a lot of costs and problems of toxicity and secondary pollution.
생태계 내에서 한 식물로부터 어떤 물질이 방출되어 다른 식물체의 생장에 영향을 주는 작용을 타감작용(allelopathy)이라고 한다. 타감작용 현상에 대해서는 환경친화적인 측면으로 제초제와 같은 농약사용을 줄이고자하는 관점에서 현재 농업분야에서 많이 응용되고 있다. 또한, 최근 타감작용에 관한 연구의 대상은 식물에만 국한하지 않고 곤충, 미생물, 동물간의 혹은 상호간 작용으로 대상을 넓게 보고 있다. 이러한 타감작용 물질(allelopathic substances)에 대해서는 지금까지 다양한 보고가 되어져왔다. 이에 따라 식용작물, 약용작물, 야생식물, 수생식물 등의 알레로케미칼(allelochemicals)에 대해서 여러 연구자들의 내용을 살펴보면, 밀짚, 보릿짚, 볏짚, 콩과식물, 알팔파, 천궁, 생강, 참나무류 같은 활엽수와 침엽수 등 수많은 종류의 식물체들을 보고하였으나, 본 발명과 같이 타감작용 물질을 이용한 조류의 성장 억제 효과를 밝힌 연구성과는 아직 없다.Allelopathy is the action by which a substance is released from one plant in an ecosystem and affects the growth of other plants. The sensitization phenomenon has been widely applied in the agricultural field in view of reducing the use of pesticides such as herbicides in an environmentally friendly aspect. In addition, the subject of recent research on percussion action is not limited to plants, but widely sees the subjects by insects, microorganisms, animals or interactions. Various reports have been made on such allelopathic substances. Thus, researchers have studied the allelochemicals of edible crops, medicinal crops, wild plants and aquatic plants. Although many kinds of plants have been reported, such as conifers, there has not yet been a research result that revealed the growth inhibitory effect of algae using the persimmon acting substance as in the present invention.
이에, 본 발명자들은 조류제어에 효과적이고 무독성인 물질을 개발, 이를 응용하여 현재 널리 사용되는 조류제어용 소재들의 단점을 보완하고자, 타감작용에 의한 조류의 성장을 억제시키는 식물체의 탐색을 통해 참나무과인 붉가시나무와 상수리나무, 소나무과인 구상나무, 감나무과인 고욤나무의 메탄올 추출물이 조류 제어에 매우 효과적이고, 이들의 혼합물은 조류의 성장 억제에 상승작용을 나타냄을 밝힘으로써 본 발명을 완성하게 되었다.Therefore, the present inventors developed an effective and non-toxic material for controlling algae and applied it to compensate for the shortcomings of current widely used algae control materials. Methanol extracts of trees, oak, pineaceae spruce and persimmon cedar are very effective in algae control, and their mixtures have completed the present invention by revealing a synergistic effect on algal growth inhibition.
따라서, 본 발명은 연못이나 호수 등 수계에서 여름철에 우점하는 유독성 남조류의 제어에 효과적이고 환경친화적인 조류 제어 물질을 제공하는데 그 목적이 있다.Accordingly, an object of the present invention is to provide an effective and environmentally friendly algae control material for the control of toxic cyanobacteria predominant in summer in water systems such as ponds and lakes.
도 1은 식물 추출물들을 총 20 ppm으로 처리시 남조류 마이크로시스티스 애루기노사(Microcystis aeruginosa)의 성장 억제 효과를 나타낸 그래프이다.[A, 붉가시나무; B, 구상나무; C, 상수리나무; D, 고욤나무]Figure 1 is a graph showing the growth inhibitory effect of the treatment upon cyanobacteria micro seutiseu during her labor rugi (Microcystis aeruginosa) a plant extract with a total of 20 ppm [A, bulgasi tree; B, globose; C, oak; D, Blackcurrant]
도 2는 식물 추출물들을 총 30 ppm으로 처리시 남조류 마이크로시스티스 애루기노사의 성장 억제를 나타낸 그래프이다[A, 붉가시나무; B, 상수리나무]Figure 2 is a graph showing the growth inhibition of Cyanobacterial microcystis aeruginosa upon treatment of plant extracts with a total of 30 ppm [A, Redwood; B, oak]
본 발명은 붉가시나무, 상록수나무, 구상나무 및 고욤나무 메탄올 추출물 중에서 선택된 2종 이상의 혼합물을 함유하는 남조류의 생장 억제 조성물을 그 특징으로 한다.The present invention is characterized by the growth inhibitory composition of cyanobacteria containing two or more kinds of mixtures selected from the extracts of red, evergreen, evergreen and cedar.
이와 같은 본 발명을 더욱 상세히 설명하면 다음과 같다.Referring to the present invention in more detail as follows.
본 발명은 참나무과인 붉가시나무와 상수리나무, 소나무과인 구상나무, 감나무과인 고욤나무의 메탄올 추출물을 일정비율 혼합 사용하여 제조된 타감작용 물질을 함유함으로써 부영양화의 이차오염 및 부작용을 최대로 줄이며 환경친화적인 남조류의 성장 억제에 효과적인 조성물에 관한 것이다.The present invention is to reduce the secondary pollution and side effects of eutrophication and environmentally friendly by containing a sensitizing substance prepared by mixing a certain ratio of methanol extracts of oak, red oak, oak, pine fruit, spruce and persimmon A composition effective for inhibiting growth of cyanobacteria.
일반적으로 육상식물체들에서 나오는 알레로케미칼(allelochemicals)은 지금까지 보고된 자료로서 주로 페놀성 화합물(phenolic compounds), 혹은 방항족 화합물(aromatic compounds)이라고 한다. 페놀성 화합물(phenolic compounds)은 식물체의 3가지 주요 구성성분 중 하나인 리그닌(lignin)으로부터 나오는 물질이다. 이러한 리그닌은 여러 조건에서 매우 다양한 페놀성 화합물이 분해 생성된다. 이밖에도 식물체로부터의 탄닌(tannin) 성분은 항균작용을 갖고 있다.In general, allelochemicals from terrestrial plants have been reported so far, mainly called phenolic compounds or aromatic compounds. Phenolic compounds are derived from lignin, one of the three main components of the plant. Such lignin is produced by decomposition of a wide variety of phenolic compounds under various conditions. In addition, tannins from plants have antimicrobial activity.
본 발명은 참나무과인 붉가시나무와 상수리나무, 소나무과인 구상나무, 감나무과인 고욤나무를 메탄올로 추출하였다. 추출한 이 각각의 추출물을 2종 이상 혼합하여 타감작용 물질을 제조한다. 이때, 추출물의 총 첨가량은 최소 20 내지 30 ppm이 바람직하며, 이러한 농도이하로 첨가하면 효과가 현저히 감소하는 문제점이 있다. 또한, 상기 혼합시 혼합비율은 중량비로 1 : 1, 1 : 1 : 1 또는 1 :1 : 1 : 1이 바람직하다.In the present invention, red oak, oak, oak, spruce, and persimmon were extracted with methanol. Each of the extracted extracts are mixed by two or more to prepare a feeling-action material. At this time, the total amount of the extract is preferably at least 20 to 30 ppm, when added below this concentration has a problem that the effect is significantly reduced. In addition, the mixing ratio at the time of mixing is preferably 1: 1, 1: 1, or 1: 1: 1: 1 by weight.
이러한 최적의 타감작용 물질은 상기 추출물을 단독으로 사용할 때 보다 혼합 사용시 남조류 제어 효능이 더욱 상승됨을 확인하였고, 환경친화적인 조류제어 물질로서 이차오염 및 부작용을 극소화할 수 있다.This optimum sensitizing substance was confirmed that the algae control effect is increased even more when mixed use than when using the extract alone, it can minimize secondary pollution and side effects as an environmentally friendly algae control substance.
이하, 본 발명은 다음 실시예에 의거하여 더욱 상세히 설명하겠는바, 본 발명이 이에 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail based on the following examples, but the present invention is not limited thereto.
실시예 1: 추출물 제조Example 1: Extract Preparation
붉가시나무, 상수리나무, 구상나무, 교욤나무 각각을 메탄올 100% 메탄올 용액에서 감압하여 추출하였다. 본 추출과정은 식물재료를 부위별로 구분하여 건조(음지, 실온, 약 5일), 분쇄하였고, ASE300[DIONEX Co.]을 사용하여 메탄올로 50 ℃에서 추출하였다. 추출시료는 45 ℃에서 질소 가스를 사용하여 1500 PSI에서 10 내지 15분 동안 감압하여 튜브에 용액 분주 후, 튜브당 20 ㎎(±0.2 이내)의 용량으로 농축하였다. 추출시료는 -4 ℃에서 저온보관하였다.Each of red, oak, globular, and oak was extracted under reduced pressure in a 100% methanol solution. In this extraction process, the plant material was classified by parts, dried (in the shade, room temperature, about 5 days), ground, and extracted with methanol at 50 ° C. using ASE300 [DIONEX Co.]. The extract sample was concentrated at a dose of 20 mg (± 0.2) per tube after dispensing the solution into tubes by depressurizing at 1500 PSI for 10-15 minutes using nitrogen gas at 45 ° C. Extracted samples were stored at low temperature at -4 ℃.
실시예 2: 조류의 성장 억제 효과 확인Example 2: Confirmation of the growth inhibitory effect of algae
상기 실시예 1에서 얻은 붉가시나무, 상수리나무, 구상나무, 교욤나무 추출물 단독 및 혼합 추출물의 조류 생장 억제 효과를 알아보기 위하여, 상기 추출물의 혼합비율은 총 첨가량이 20 ppm일 때 중량비로 1(10 ppm) : 1(10 ppm) 내지 1(6.67ppm) : 1(6.67 ppm) : 1(6.67 ppm), 또는 1(5 ppm) : 1(5 ppm) : 1(5 ppm) : 1(5 ppm)이 되도록 하였으며, 배양조건은 30℃, 광도 150 μE/m2/s, 광주기 L : D = 12 : 12, 100 rpm으로 하였다[표 1].In order to determine the algae growth inhibitory effect of the red, oak, spruce, locust tree extract and mixed extract obtained in Example 1, the mixing ratio of the extract is 1 (10) by weight ratio when the total addition amount is 20 ppm ppm): 1 (10 ppm) to 1 (6.67 ppm): 1 (6.67 ppm): 1 (6.67 ppm), or 1 (5 ppm): 1 (5 ppm): 1 (5 ppm): 1 (5 ppm ), And the culture conditions were 30 ℃, luminous intensity 150 μE / m 2 / s, photoperiod L: D = 12: 12, 100 rpm [Table 1].
조류 배양액에 추출물의 혼합방법은 건조된 추출물에 메탄올로 재용해시킨 후, 배양액에 첨가하여 타감작용 물질을 제조하였다. 상기 타감작용 물질의 남조류 억제 효과를 관찰하기 위하여 5일 동안 실험을 실시하였다. 대조구에는 추출물을 처리하지 않은 자연수를 사용하였다.In the mixing method of the extract in the algae culture solution, the dried extract was re-dissolved with methanol, and then added to the culture solution to prepare a sensitizing substance. The experiment was conducted for 5 days to observe the inhibitory effect of cyanobacteria on the sensitizing substance. As a control, natural water without treatment of the extract was used.
그 결과, 도 1과 같이 조류의 성장 억제에 매우 효과적이며, 특히 상기 추출물을 혼합하여 사용함으로써 최적의 타감작용 물질이 제조됨으로써 조류 제어에 더욱 효과적이였다.As a result, as shown in Figure 1 is very effective in inhibiting the growth of algae, in particular, by using the extract in combination to produce the optimum percussion material was more effective in algae control.
실시예 3: 조류의 성장 억제 효과 확인Example 3: Confirmation of the growth inhibitory effect of algae
상기 실시예 1에서 얻은 붉가시나무, 상수리나무 단독 및 혼합 추출물의 조류 생장 억제 효과를 알아보기 위하여, 상기 추출물의 혼합비율은 중량비로 1(15ppm) : 1(15 ppm)로 하여 추출물의 총 첨가량이 30 ppm되도록 하였다[표 2]. 배양조건은 30℃, 광도 150 μE/m2/s, 광주기 L : D = 12 : 12, 100 rpm으로 하였다. 조류 배양액에 추출물의 혼합방법은 건조된 추출물에 메탕올로 재용해시킨 후, 배양액에 첨가하여 타감작용 물질을 제조하였다. 상기 타감작용 물질의 남조류 억제 효과를 관찰하기 위하여 7일 동안 실험을 실시하였다. 대조구에는 추출물을 처리하지 않은 자연수에 인산염 0.05 mg P/l를 첨가하여 사용하였다.In order to determine the algae growth inhibitory effect of the red, oak tree alone and mixed extract obtained in Example 1, the mixing ratio of the extract is 1 (15ppm): 1 (15 ppm) by weight ratio of the total amount of the extract 30 ppm was given [Table 2]. Culture conditions were 30 ℃, luminous intensity 150 μE / m 2 / s, photoperiod L: D = 12: 12, 100 rpm. Mixing method of the extract in the algae culture solution was re-dissolved with metanol in the dried extract, and then added to the culture solution to prepare a sense of action. In order to observe the inhibitory effect of cyanobacteria on the sensitizing substance, experiments were conducted for 7 days. In the control group, phosphate 0.05 mg P / l was added to the natural water without the extract.
도 2와 같이, 조류의 성장 억제에 매우 효과적이며, 특히 상기 추출물을 혼합하여 사용함으로써 최적의 타감작용 물질이 제조됨으로써 조류 제어에 더욱 효과적이였다.As shown in Figure 2, it is very effective in inhibiting the growth of algae, in particular, by using the extract in combination to produce the optimum sensitizing substance was more effective in algae control.
이상에서 설명한 바와 같이, 본 발명에 따른 육상실물체 추출물을 이용한 남조류 성장 억제 조성물에 관한 것으로서, 조류의 제어에 관여하는 육상식물체의 추출물을 혼합 사용함으로써 조류의 성장 억제 효과가 매우 우수한 환경친화적인 조류 제어 물질로 이용 가능하며, 자연식물소재에서 추출한 물질을 이용함으로써 이차오염과 부작용을 극소화할 수 있다.As described above, the present invention relates to a green algae growth inhibitory composition using the extract of the ground-real object, which is an environmentally friendly algae having a very good effect of inhibiting the growth of algae by using an extract of a land plant involved in the control of the algae. It can be used as a control substance and can minimize secondary pollution and side effects by using substances extracted from natural plant material.
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| KR20020003493A (en) * | 2000-07-07 | 2002-01-12 | 최명부 | The method to manufactuer the sea red water climinaror by using silver and to stcrilize water for various usage. |
| KR200221949Y1 (en) * | 2000-11-23 | 2001-04-16 | 주식회사에스알씨 시스템 | Simplicity prompt filtration system for water works |
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