JP2005225924A - Method for producing fucoidan extract, fucoidan extract and food - Google Patents

Method for producing fucoidan extract, fucoidan extract and food Download PDF

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JP2005225924A
JP2005225924A JP2004034138A JP2004034138A JP2005225924A JP 2005225924 A JP2005225924 A JP 2005225924A JP 2004034138 A JP2004034138 A JP 2004034138A JP 2004034138 A JP2004034138 A JP 2004034138A JP 2005225924 A JP2005225924 A JP 2005225924A
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fucoidan
extract
raw material
fucoidan extract
heating
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JP4599571B2 (en
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Toshinori Sato
利則 佐藤
Yuutai Takeuchi
勇太 武内
Kotaro Tanno
耕太郎 丹野
Yasuo Suzuki
康夫 鈴木
Satoru Mori
哲 毛利
Nobuyuki Sato
信行 佐藤
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TOHOKU YOSHIOKA KK
Shinko Co Ltd
Miyagi Prefectural Government.
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TOHOKU YOSHIOKA KK
Shinko Co Ltd
Miyagi Prefectural Government.
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for producing a fucoidan extract in which the characteristic color and smell of a seaweed are reduced, to obtain a fucoidan extract, and to provide a food to which the extract is added. <P>SOLUTION: A frozen whole sporophyll raw material is thawed and then washed with water to remove foreign matters from the surface of the raw material. The washed sporophyll raw material is soaked and boiled in 95°C hot water for 15 sec. The boiled sporophyll raw material is soaked and cooled in 10°C cold water for five minutes to produce the aqueous solution of the fucoidan extract. The aqueous solution of the fucoidan extract is mixed and deaerated with a sodium alginate solution prepared in a process for preparing the sodium alginate solution in a volume ratio of 30 % of the extract aqueous solution to 70 % of the sodium alginate solution by using a vacuum mixer. The product is pressed under a reduced atmospheric pressure and simultaneously extruded with a constant pressure into a bar-like product. The formed bar-like product is coagulated in an aqueous calcium chloride solution to produce the fucoidan extract product. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、藻類原料からのフコイダン抽出物製造方法、その方法により製造されるフコイダン抽出物及びそのフコイダン抽出物を添加した食品に関し、さらに詳細には、原料藻体由来の着色物質や特有の風味を除去あるいは軽減できるフコイダン抽出物の製造方法、フコイダン抽出物及び食品に関するものである。   The present invention relates to a method for producing a fucoidan extract from an algal raw material, a fucoidan extract produced by the method, and a food to which the fucoidan extract is added, and more specifically, a coloring substance derived from the raw alga body and a unique flavor. The present invention relates to a fucoidan extract manufacturing method, fucoidan extract and food that can remove or reduce odor.

ワカメ(Undaria pinnatifida)などの藻類には、アルギン酸、フコイダンなどの多糖類が含まれている。この中で、フコースを主たる構成糖とする硫酸化多糖のフコイダンは、抗腫瘍作用、血圧降下作用、抗潰瘍作用の点から近年注目されている。
フコイダンは、藻類原料から水抽出や酸抽出などの操作により得られることが知られている(例えば、特許文献1参照。)。
Algae such as wakame (Undaria pinnatifida) contains polysaccharides such as alginic acid and fucoidan. Among these, a sulfated polysaccharide fucoidan containing fucose as a main constituent sugar has recently attracted attention in terms of antitumor action, blood pressure lowering action, and antiulcer action.
Fucoidan is known to be obtained from algae raw materials by operations such as water extraction and acid extraction (see, for example, Patent Document 1).

しかし、これらの抽出物は藻類由来の色素により着色しているとともに、独特の臭いや味がある。このため、抽出物を食品に利用する場合、外観や風味の点で好ましくない影響を与えることから、その利用が制限されていた。   However, these extracts are colored with algae-derived pigments and have a unique odor and taste. For this reason, when using an extract for a foodstuff, since the influence on the external appearance and the point of a taste is given unfavorably, the use was restricted.

フコイダンを食品用途で利用する際の上記問題点を解消する方法として、抽出物をアルコールで沈殿させた後に、アルコールで洗浄する方法(例えば、特許文献2参照。)や、過酸化水素を利用して色や臭いを除去するする方法(例えば、特許文献1参照。)、凍結-再融解などした後にアルコールにより除去する方法(例えば、特許文献3参照。)などが提案されている。   As a method for solving the above-mentioned problems when fucoidan is used for food, a method of precipitating the extract with alcohol and then washing with alcohol (for example, refer to Patent Document 2), or using hydrogen peroxide. There have been proposed a method for removing color and odor (for example, see Patent Document 1), a method for removing with alcohol after freeze-rethawing (for example, see Patent Document 3), and the like.

しかしながら、上記方法では抽出物の着色や海藻特有の臭い・味を十分に除去することができなかった。また、アルコールで沈殿させアルコールで洗浄する場合には、多量のアルコールが必要となるため、製造コストが高くなるという問題があった。   However, the coloration of the extract and the smell and taste peculiar to seaweed could not be sufficiently removed by the above method. In addition, in the case of precipitation with alcohol and washing with alcohol, a large amount of alcohol is required, resulting in an increase in manufacturing cost.

また、ワカメの胞子葉であるメカブは、フコイダンなどの粘質物を含んでおり、加熱した後に冷却し、湯通し製品とされる。その冷却工程では、粘質物が冷却水中に移行してしまい、排出されることとなるため、環境に負荷を与えていた。   Mekabu, which is a spore of wakame, contains mucilage such as fucoidan, and after heating, cools to make a blanched product. In the cooling process, mucilage moves into the cooling water and is discharged, which places a burden on the environment.

さらに、ワカメと同じ褐藻類であるアカモク(Sargassum horneri)は、ギバサ、ギンバソウ、ナガモなどとも呼ばれ、日本海側の一部で食用に供されているが、一般に食用とされることは少ない。環境浄化の観点からアカモクの栽培が検討されているが、その利用方法が課題とされていた。   Furthermore, the red algae (Sargassum horneri), which is the same as the seaweed, is also called Gibbasa, Gimbusou, Nagamo, etc., and is used for food in parts of the Sea of Japan, but it is rarely used for food. From the viewpoint of environmental purification, cultivation of akamoku has been studied, but its use has been a problem.

特開平10-191940号公報Japanese Patent Laid-Open No. 10-191940 特開平64-87601号公報Japanese Unexamined Patent Publication No. 64-87601 特開2000-351801号公報JP 2000-351801 A

従って、本発明の課題は、藻類を原料として得られる、着色や臭いが低減されたフコイダン抽出物製造方法、フコイダン抽出物及びその抽出物を添加した食品を提供することである。
本発明のもう一つの課題は、低利用資源であるアカモクを有効に利用することである。
本発明の更なる課題は、藻類から加工品を製造する際に排出される、有機物を含んだ排水を低減させることである。
Therefore, the subject of this invention is providing the foodstuff which added the fucoidan extract manufacturing method and fucoidan extract by which the coloring and smell which were obtained from algae as a raw material were reduced, and the extract was added.
Another problem of the present invention is to effectively use the low-utilized resource Akamoku.
The further subject of this invention is reducing the waste_water | drain containing the organic matter discharged | emitted when manufacturing a processed product from algae.

本発明者らは、上記課題を解決するため、鋭意検討を行った結果、藻類原料を加熱した後、冷水または温水により抽出を行うことで、実質的に脱色・脱臭されたフコイダン抽出物が得られることを見出し、本発明を完成した。   As a result of intensive studies to solve the above problems, the present inventors have obtained a fucoidan extract that has been substantially decolored and deodorized by heating the algal raw material and then extracting it with cold water or hot water. The present invention has been completed.

すなわち請求項1の発明は、藻類原料を70℃以上100℃以下の温度に加熱する加熱工程と、前記加熱工程後の藻類原料から冷水又は温水でフコイダンを抽出する抽出工程とを有することを特徴とするフコイダン抽出物製造方法である。藻類原料を70℃以上100℃以下の温度に加熱することにより、抽出物に混入する色素を熱で減少させるとともに、藻類原料からのフコイダン抽出物の冷水又は温水への抽出を可能にする。加熱工程に続いて冷水又は温水でフコイダン抽出物を抽出することにより、色素を低減したフコイダン抽出物を得ることができる。   That is, the invention of claim 1 has a heating step of heating the algal raw material to a temperature of 70 ° C. or higher and 100 ° C. or lower, and an extraction step of extracting fucoidan from the algal raw material after the heating step with cold water or hot water. This is a fucoidan extract manufacturing method. By heating the algal raw material to a temperature of 70 ° C. or higher and 100 ° C. or lower, the pigment mixed in the extract is reduced by heat, and the fucoidan extract from the algal raw material can be extracted into cold water or hot water. By extracting the fucoidan extract with cold water or hot water following the heating step, a fucoidan extract with reduced pigment can be obtained.

請求項2の発明は、前記加熱工程を70℃以上100℃以下の熱水により1秒以上30分以内で行い、かつ、前記冷水又は温水の温度を0℃以上40℃以下とすることを特徴とする請求項1に記載のフコイダン抽出物製造方法である。70℃以上100℃以下の熱水で加熱することにより、残った色素や臭いその他の夾雑物が熱水中に溶出する。このため、続く冷水又は温水によるフコイダン抽出物の抽出の際に、色素や臭いその他の夾雑物の溶出が少なくなる。   The invention of claim 2 is characterized in that the heating step is performed with hot water of 70 ° C. or more and 100 ° C. or less for 1 second or more and 30 minutes or less, and the temperature of the cold water or warm water is 0 ° C. or more and 40 ° C. or less. It is a fucoidan extract manufacturing method of Claim 1. By heating with hot water of 70 ° C. or higher and 100 ° C. or lower, the remaining pigments, odors and other impurities are eluted into the hot water. For this reason, in the subsequent extraction of the fucoidan extract with cold water or hot water, the elution of pigments, odors and other impurities is reduced.

請求項3の発明は、前記抽出工程は前記加熱工程後の藻類原料を冷却する工程を兼ねており、前記抽出工程後の藻類原料から加工品を製造する加工品製造工程を有することを特徴とする請求項1または請求項2に記載のフコイダン抽出物製造方法である。藻類を加熱加工する際に、熱を除くために冷水または温水に浸漬することがあるが、藻類の加熱加工品製造における冷却工程の際に発生する冷却排水からフコイダン抽出物を得ることにより、排水を減少させることができる。   The invention of claim 3 is characterized in that the extraction step also serves as a step of cooling the algal raw material after the heating step, and has a processed product manufacturing step of manufacturing a processed product from the algal raw material after the extraction step. The fucoidan extract manufacturing method according to claim 1 or 2. When heat-treating algae, it may be immersed in cold water or warm water to remove heat, but by obtaining fucoidan extract from the cooling wastewater generated during the cooling process in the production of heat-treated algae, Can be reduced.

請求項4の発明は、前記抽出工程後のフコイダン抽出物の水溶液をアルギン酸Na溶液と混合する混合工程と、前記混合工程後の混合物を成形する成形工程と、前記成形工程後の成形物を凝固させる凝固工程とを有することを特徴とする請求項1乃至請求項3のいずれかに記載のフコイダン抽出物製造方法である。   The invention of claim 4 includes a mixing step of mixing an aqueous solution of fucoidan extract after the extraction step with a sodium alginate solution, a forming step of forming the mixture after the mixing step, and solidifying the formed product after the forming step. A fucoidan extract production method according to any one of claims 1 to 3, further comprising a coagulation step.

請求項5の発明は、前記藻類原料が褐藻類であることを特徴とする請求項1乃至請求項4のいずれかに記載のフコイダン抽出物製造方法である。ワカメ、コンブ、アカモク等の褐藻類には、フコイダンが多量に含有されているため、これらの褐藻類からは多くのフコイダン抽出物を容易に抽出できる。   Invention of Claim 5 is a fucoidan extract manufacturing method in any one of Claim 1 thru | or 4 characterized by the said algal raw material being brown algae. Since brown algae such as wakame, kombu, and akamoku contain a large amount of fucoidan, many fucoidan extracts can be easily extracted from these brown algae.

請求項6の発明は、前記藻類原料がアカモク(Sargassum horneri)であることを特徴とする請求項1乃至請求項4のいずれかに記載のフコイダン抽出物製造方法である。アカモクは、低利用資源であるので、資源の有効利用が可能となる。   Invention of Claim 6 is a fucoidan extract manufacturing method in any one of the Claims 1 thru | or 4 characterized by the said algal raw material being akamoku (Sargassum horneri). Akamoku is a low-use resource, so it is possible to effectively use the resource.

請求項7の発明は、前記藻類原料がワカメ(Undaria pinnatifida)のメカブ(胞子葉)であることを特徴とする請求項1乃至請求項4のいずれかに記載のフコイダン抽出物製造方法である。   The invention according to claim 7 is the fucoidan extract manufacturing method according to any one of claims 1 to 4, wherein the algal raw material is wakame (Undaria pinnatifida) mekabu (spore leaf).

請求項8の発明は、請求項1乃至請求項7のいずれかに記載のフコイダン抽出物製造方法により製造されることを特徴とするフコイダン抽出物である。本発明により得られるフコイダン抽出物は、従来のフコイダン抽出物よりフコイダン含有割合が高いため、抗腫瘍活性などを期待して利用する場合には、従来のフコイダン抽出物より少ない量で効果を期待できる。   The invention according to claim 8 is a fucoidan extract produced by the fucoidan extract production method according to any one of claims 1 to 7. Since the fucoidan extract obtained by the present invention has a higher fucoidan content ratio than the conventional fucoidan extract, the anti-tumor activity and the like can be expected to be effective in a smaller amount than the conventional fucoidan extract. .

請求項9の発明は、請求項8に記載のフコイダン抽出物を添加したことを特徴とする食品である。本発明により得られるフコイダン抽出物は、原料藻体由来の着色および海藻臭や味などの特有の風味が少ないので、食品へ添加した際に、食品の色彩や風味への影響が小さくなり、さまざまな食品への利用が可能となる。   The invention of claim 9 is a food product to which the fucoidan extract of claim 8 is added. Since the fucoidan extract obtained by the present invention has less unique flavors such as coloring from seaweed bodies and seaweed odor and taste, when added to foods, the effects on the color and flavor of foods are reduced. It can be used for various foods.

本発明によれば、海藻特有の着色や臭いが低減されたフコイダン抽出物製造方法、フコイダン抽出物及びその抽出物を添加した食品を提供することができる。
本発明によれば、藻類原料としてアカモクを用いることにより、低利用資源であるアカモクを有効に利用することができる。
本発明によれば、藻類の加熱加工品製造における冷却工程の際に発生する冷却排水からフコイダン抽出物を得ることにより、藻類から加工品を製造する際に排出される、有機物を含んだ排水を低減させることである。
ADVANTAGE OF THE INVENTION According to this invention, the fucoidan extract manufacturing method with which coloring and smell peculiar to seaweed were reduced, the fucoidan extract, and the foodstuff which added the extract can be provided.
According to the present invention, by using akamoku as an algal raw material, akamoku, which is a low-use resource, can be used effectively.
According to the present invention, by obtaining a fucoidan extract from the cooling wastewater generated during the cooling process in the manufacturing process of algae by heating, wastewater containing organic matter discharged when manufacturing the processed product from algae is obtained. It is to reduce.

発明を実施するための最良の形態について、以下に詳細を説明する。
藻類原料を加熱する加熱工程の後で、冷水又は温水により抽出する工程によりフコイダン抽出物を製造することができる。
The best mode for carrying out the invention will be described in detail below.
A fucoidan extract can be manufactured by the process of extracting with cold water or warm water after the heating process which heats algae raw material.

原料となる藻類としては、フコイダンを含有するものであれば特に限定されない。藻類の中でも、褐藻類には一般にフコイダンが含まれており、例えば、チガイソ科、ホンダワラ科、コンブ科などを原料に用いることができる。上記海藻の中でも、ホンダワラ科のアカモクは食用とされることが少ないため、資源の有効利用の点から好ましい。   The algae used as a raw material is not particularly limited as long as it contains fucoidan. Among algae, brown algae generally contain fucoidan. For example, chigaisoaceae, hondaidae, and kombuidae can be used as raw materials. Among the seaweeds, Akamoku of the family Houraceae is rarely edible, and is preferable from the viewpoint of effective use of resources.

加熱工程における加熱方法は、特に限定されず、熱水への浸漬、水蒸気加熱、赤外線による加熱、マイクロ波加熱などを例示できる。藻類原料を加熱することにより、藻類原料に含まれるフコキサンチンなどの色素が退色し、抽出物の着色も減少するとともに、藻類の細胞壁を軟化させ、フコイダンを抽出しやすくなる。   The heating method in the heating step is not particularly limited, and examples include immersion in hot water, steam heating, infrared heating, and microwave heating. By heating the algae raw material, pigments such as fucoxanthin contained in the algae raw material are faded, the coloration of the extract is reduced, the algal cell wall is softened, and fucoidan is easily extracted.

加熱方法としては、熱水への浸漬による加熱が好ましい。熱水中に色素や臭い成分などの夾雑物が溶出し、抽出物へのそれらの移行が少なくなるためである。
熱水の温度は、70℃以上100℃以下とすることが好ましく、80℃以上100℃以下がさらに好ましく、90℃以上100℃以下が特に好ましい。70℃以上で、藻類に含まれている色素のうち、キサントフィル類が退色するためである。加熱時間は、1秒以上30分以内が好ましく、10分以内がさらに好ましく、1分以内が特に好ましい。長時間の加熱では、色素や夾雑物だけではなく、フコイダンも色素などの夾雑物とともに熱水中に溶出するためである。藻類原料に対する熱水の量は特に限定されないが、藻類原料の重量(含水)に対して、重量で0.5倍以上が好ましく、より好ましくは等量〜100倍、さらに好ましくは、2倍〜50倍である。
As a heating method, heating by immersion in hot water is preferable. This is because contaminants such as pigments and odorous components are eluted in the hot water and transfer to the extract is reduced.
The temperature of the hot water is preferably 70 ° C. or higher and 100 ° C. or lower, more preferably 80 ° C. or higher and 100 ° C. or lower, and particularly preferably 90 ° C. or higher and 100 ° C. or lower. This is because xanthophylls discolor among the pigments contained in algae at 70 ° C. or higher. The heating time is preferably from 1 second to 30 minutes, more preferably within 10 minutes, and particularly preferably within 1 minute. This is because long-time heating causes fucoidan to elute into hot water together with impurities such as pigments as well as pigments and impurities. The amount of hot water relative to the algal raw material is not particularly limited, but is preferably 0.5 times or more by weight, more preferably equal to 100 times, more preferably 2 to 50 times the weight of the algal raw material (containing water). It is.

フコイダン抽出物を抽出する冷水または温水の温度は、0℃以上40℃以下とすることができ、好ましくは25℃以下、特に好ましくは5℃以上15℃以下である。冷水又は温水の温度が高い場合には、色素や臭いなどが溶出してしまうためである。冷水又は温水での抽出する時間は特に限定されないが、10秒以上60分以下が好ましく、5分以上30分以内がさらに好ましい。抽出時間が短い場合には、抽出物が十分得られない場合があるためである。   The temperature of cold water or hot water for extracting the fucoidan extract can be 0 ° C. or higher and 40 ° C. or lower, preferably 25 ° C. or lower, particularly preferably 5 ° C. or higher and 15 ° C. or lower. This is because when the temperature of cold water or hot water is high, pigments, odors and the like are eluted. The time for extraction with cold water or warm water is not particularly limited, but is preferably 10 seconds to 60 minutes, more preferably 5 minutes to 30 minutes. This is because if the extraction time is short, the extract may not be obtained sufficiently.

本実施の形態のフコイダン抽出物製造方法では、フコイダン抽出物のみを得ることを目的とする場合だけでなく、藻類加熱処理製品を製造する際にもフコイダン抽出物を得ることができる。この場合、藻類、例えばワカメ、メカブ、コンブ、アカモクなどを加熱した後、冷水又は温水で冷却する際の冷却水から、フコイダン抽出物を得ることができる。冷却水を廃棄するのではなく、フコイダン抽出物の原料とするので、排水量を減少させることができ、環境負荷を低減することができる。   In the fucoidan extract production method of the present embodiment, the fucoidan extract can be obtained not only for the purpose of obtaining only the fucoidan extract but also for producing an algal heat-treated product. In this case, after algae such as seaweed, mekabu, kombu, and akamoku are heated, a fucoidan extract can be obtained from cooling water when cooling with cold water or warm water. Since the cooling water is not discarded but is used as a raw material for the fucoidan extract, the amount of drainage can be reduced and the environmental load can be reduced.

本実施の形態のフコイダン抽出物は、冷水で抽出した溶液状のものを、そのまま、または適宜加工して利用に供することができる。例えば、スプレードライ、凍結乾燥、加熱乾燥などの方法により乾燥させて粉末または顆粒状とすることができる。また、溶液状のフコイダン抽出物にアルギン酸ナトリウムを添加し、カルシウム塩水溶液中に浸漬することによって、こんにゃく状(ゼリー状)とすることもできる。   As the fucoidan extract of the present embodiment, a solution extracted with cold water can be used as it is or after being appropriately processed. For example, it can be dried by a method such as spray drying, freeze drying, heat drying, etc. to obtain powder or granules. Moreover, it can also be set as a konjac form (jelly form) by adding sodium alginate to a solution-like fucoidan extract and immersing in a calcium salt aqueous solution.

本実施の形態のフコイダン抽出物は、食品に添加することができる。食品は特に限定されず、飲料、菓子、製麺、魚肉練製品、乳製品、果実加工品、製パン、調味料などを例示できる。本実施の形態のフコイダン抽出物は、従来法により製造されたフコイダン抽出物より、色や臭いが少なくフコイダン含有割合が高いため、食品に添加した際にその色や臭いが食品へ与える影響が小さくなる。   The fucoidan extract of the present embodiment can be added to food. The food is not particularly limited, and examples thereof include beverages, confectionery, noodle making, fish paste products, dairy products, processed fruit products, bread making, and seasonings. The fucoidan extract of the present embodiment has a lower color and odor than the fucoidan extract produced by the conventional method, and the fucoidan extract has a high content of fucoidan. Become.

(1)フコイダン抽出工程
冷凍されたホールのメカブ原料1kgを解凍後、水で表面を洗浄し、異物を除去した。そのメカブ原料を10kgの95℃の熱湯に3分間浸漬し、ボイルした。ボイル後のメカブ原料を10kgの10℃の冷水に5分間浸漬して冷却するとともに、フコイダン抽出物水溶液を製造した。なお、メカブ原料は、スライスしてもよいが、ミンチ状にすることは望ましくない。ミンチにした場合、固形分が液に混ざり、分離できなくなるためである。ボイルの際、ボイル液にメカブ原料の色素が移行する。ボイル液には、同じ液を3回程度使うことができるが、使用後の液は廃棄することが好ましい。ボイル液の温度範囲は、70〜95℃程度が好ましい。加熱時間を長くすると、ボイル液にフコイダンが移行するため、好ましくない。冷水による抽出工程は、1回で十分である。製造したフコイダン抽出物水溶液は、原料藻体由来の着色がなく、無味無臭であった。
(1) Fucoidan extraction process After thawing 1 kg of mechabu raw material in the frozen hole, the surface was washed with water to remove foreign matters. The mekabu raw material was dipped in 10 kg of hot water at 95 ° C. for 3 minutes and boiled. The mechabu raw material after boiling was immersed in 10 kg of 10 ° C. cold water for 5 minutes to cool, and an aqueous fucoidan extract solution was produced. In addition, although the mechabu raw material may be sliced, it is not desirable to make it mince. This is because, when minced, the solid content is mixed with the liquid and cannot be separated. During boiling, the pigment of the mechabu raw material is transferred to the boil liquid. Although the same liquid can be used about 3 times as a boil liquid, it is preferable to discard the liquid after use. The temperature range of the boil liquid is preferably about 70 to 95 ° C. If the heating time is lengthened, fucoidan moves to the boil liquid, which is not preferable. One extraction step with cold water is sufficient. The produced fucoidan extract aqueous solution was tasteless and odorless without coloring derived from the raw material alga.

(2)アルギン酸溶液調製工程
アルギン酸Naをエチルアルコールに分散させたものを水に溶解させ、アルギン酸Naが1.5%〜2.5%のアルギン酸Na溶液を準備した。
(2) Alginic acid solution preparation process What alginate Na was disperse | distributed to ethyl alcohol was dissolved in water, and the alginate Na solution whose sodium alginate is 1.5%-2.5% was prepared.

(3)混合工程
フコイダン抽出工程で製造したフコイダン抽出物水溶液とアルギン酸溶液調製工程で準備したアルギン酸Na溶液とを、抽出物水溶液30%に対しアルギン酸Na溶液70%の体積比で真空ミキサーにより混合、脱気した。
(3) Mixing step The fucoidan extract aqueous solution produced in the fucoidan extraction step and the alginic acid Na solution prepared in the alginic acid solution preparation step are mixed by a vacuum mixer at a volume ratio of 70% alginate sodium solution to 30% of the aqueous extract solution. I was degassed.

(4)成型工程
混合工程後のものを減圧下加圧しながら、一定圧力で押し出して棒状に成形した。減圧下加圧は、減圧されたチャンバー内で、減圧状態へ加圧して押し出すことにより行なった。これにより脱気された成形物が得られた。なお、押し出し圧力を変動させることにより、成形品の太さを変えることができる。
(4) Molding step The product after the mixing step was extruded at a constant pressure while being pressed under reduced pressure to form a rod shape. Pressurization under reduced pressure was performed by pressurizing and extruding to a depressurized state in a decompressed chamber. As a result, a degassed molded product was obtained. The thickness of the molded product can be changed by changing the extrusion pressure.

押し出しには孔の開いたプレートを用いた。そのプレートは孔の径が1mmで、孔にはプレートの両面でテーパが設けられており、入り口(加圧側)のテーパが0.5mmで、出口(減圧側)のテーパが0.2mmとなっている。   A plate with a hole was used for extrusion. The plate has a hole diameter of 1 mm, the hole is tapered on both sides of the plate, the inlet (pressure side) taper is 0.5 mm, and the outlet (decompression side) taper is 0.2 mm. ing.

成形したものを、攪拌している0.1〜1mol/lの塩化カルシウム塩水溶液の中に入れ凝固させた。なお、塩としては、塩化カルシウムのほか、乳酸カルシウム、クエン酸カルシウム、ミョウバン(硫酸アルミニウムカリウム)などを使ってもよい。こうして、フコイダン抽出物製品を製造した。フコイダン抽出物製品は、はるさめ状で、そのまま食べることができた。このフコイダン抽出物製品は、原料藻体由来の着色がなく、白色透明で、海藻臭や味などの特有の風味がなく、無味無臭であった。このフコイダン抽出物製品は、菓子、麺、魚肉練製品またはその他の食品に添加して食べてもよい。
[試験例]
The molded product was put into a 0.1 to 1 mol / l calcium chloride salt aqueous solution which was being stirred and solidified. In addition to calcium chloride, calcium lactate, calcium citrate, alum (potassium aluminum sulfate) or the like may be used as the salt. Thus, a fucoidan extract product was produced. The fucoidan extract product was in the shape of a spine and could be eaten as it was. This fucoidan extract product had no coloring derived from the raw material algae, was white and transparent, had no special flavor such as seaweed odor and taste, and was tasteless and odorless. The fucoidan extract product may be added to confectionery, noodles, fish paste products or other foods.
[Test example]

前述の実施例に沿って4種類のフコイダン抽出物製品(試料A〜D)を準備した。但し、試料A(アカモク低温抽出物)では、実施例のフコイダン抽出工程で、メカブ原料の代わりにアカモクを用いて製造した。試料B(メカブ低温抽出物)では、実施例と同様にメカブを用いて製造した。試料C(アカモク高温抽出物)では、メカブ原料の代わりにアカモクを用い、さらに、95℃の熱湯に15秒間浸漬する代わりに5分間浸漬し、その熱湯を冷却して得られたものをフコイダン抽出物水溶液として用いた。試料D(メカブ高温抽出物)では、実施例と同様にメカブを用い、95℃の熱湯に15秒間浸漬する代わりに5分間浸漬し、その熱湯を冷却して得られたものをフコイダン抽出物水溶液として用いた。各試料は、凍結乾燥させた。   Four types of fucoidan extract products (samples A to D) were prepared according to the above-described examples. However, sample A (red mock low-temperature extract) was produced by using red mushroom instead of mekabu raw material in the fucoidan extraction step of the example. Sample B (mechabu low-temperature extract) was produced using mekabu in the same manner as in the examples. Sample C (Akamoku high-temperature extract) uses akamoku instead of mekabu raw material, and further immerses it for 5 minutes instead of immersing it in 95 ° C hot water for 15 seconds, and then cools the hot water to extract fucoidan. It was used as a normal aqueous solution. For sample D (mechabu high-temperature extract), using the mekabu as in the example, instead of immersing in hot water at 95 ° C. for 15 seconds, immersing it for 5 minutes and cooling the hot water, fucoidan extract aqueous solution Used as. Each sample was lyophilized.

各試料A〜Dについて、図1に示す方法で(1)タンパク質、(2)フコイダン+ラミナラン、(3)アルギン酸、(4)不溶性残さの各重量を測定した。
その結果を表1および図2のグラフに示す。
About each sample AD, each weight of (1) protein, (2) fucoidan + laminaran, (3) alginic acid, and (4) insoluble residue was measured by the method shown in FIG.
The results are shown in Table 1 and the graph of FIG.

表1および図2に示すように、試料B(メカブ低温抽出物)は、試料D(メカブ高温抽出物)に比べてフコイダン+ラミナランの収率が高かった。
また、各試料A〜Dの色、臭い、味について観察した。
試料A(アカモク低温抽出物)および試料B(メカブ低温抽出物)は、白色透明で、海藻臭や味などの特有の風味がなく、無味、無臭であった。これに対し、試料C(アカモク高温抽出物)および試料D(メカブ高温抽出物)では、原料藻体由来の着色物質により褐色に着色しており、海藻臭、海藻味がした。
As shown in Table 1 and FIG. 2, the yield of fucoidan + laminaran was higher in sample B (mechabu cold extract) than in sample D (mechabu hot extract).
Moreover, it observed about the color, smell, and taste of each sample AD.
Sample A (Akamoku low temperature extract) and Sample B (mekabu low temperature extract) were white and transparent, had no special flavor such as seaweed odor and taste, and were tasteless and odorless. In contrast, Sample C (Akamoku high-temperature extract) and Sample D (Mekabu high-temperature extract) were colored brown with a coloring substance derived from the raw material alga body, and had seaweed smell and seaweed taste.

Figure 2005225924
Figure 2005225924

試験例の試験方法を示すフローチャートである。It is a flowchart which shows the test method of a test example. 試験例の結果を示す円グラフである。It is a pie chart which shows the result of a test example.

Claims (9)

藻類原料を70℃以上100℃以下の温度に加熱する加熱工程と、前記加熱工程後の藻類原料から冷水又は温水でフコイダンを抽出する抽出工程とを有することを特徴とするフコイダン抽出物製造方法。   A fucoidan extract manufacturing method comprising: a heating step of heating an algal raw material to a temperature of 70 ° C to 100 ° C; and an extraction step of extracting fucoidan from the algal raw material after the heating step with cold water or hot water. 前記加熱工程を70℃以上100℃以下の熱水により1秒以上30分以内で行い、かつ、前記冷水又は温水の温度を0℃以上40℃以下とすることを特徴とする請求項1に記載のフコイダン抽出物製造方法。   2. The heating process is performed with hot water of 70 ° C. or more and 100 ° C. or less for 1 second or more and 30 minutes or less, and the temperature of the cold water or warm water is 0 ° C. or more and 40 ° C. or less. Fucoidan extract manufacturing method. 前記抽出工程は前記加熱工程後の藻類原料を冷却する工程を兼ねており、前記抽出工程後の藻類原料から加工品を製造する加工品製造工程を有することを特徴とする請求項1または請求項2に記載のフコイダン抽出物製造方法。   The said extraction process serves as the process of cooling the algal raw material after the said heating process, and has the processed goods manufacturing process which manufactures a processed product from the algae raw material after the said extracting process, The Claim 1 or Claim characterized by the above-mentioned. 2. The method for producing fucoidan extract according to 2. 前記抽出工程後のフコイダン抽出物の水溶液をアルギン酸Na溶液と混合する混合工程と、前記混合工程後の混合物を成形する成形工程と、前記成形工程後の成形物を凝固させる凝固工程とを有することを特徴とする請求項1乃至請求項3のいずれかに記載のフコイダン抽出物製造方法。   A mixing step of mixing an aqueous solution of fucoidan extract after the extraction step with a sodium alginate solution, a forming step of forming the mixture after the mixing step, and a coagulation step of solidifying the formed product after the forming step. The method for producing a fucoidan extract according to any one of claims 1 to 3. 前記藻類原料は褐藻類であることを特徴とする請求項1乃至請求項4のいずれかに記載のフコイダン抽出物製造方法。   The said algal raw material is brown algae, The fucoidan extract manufacturing method in any one of Claim 1 thru | or 4 characterized by the above-mentioned. 前記藻類原料はアカモクであることを特徴とする請求項1乃至請求項4のいずれかに記載のフコイダン抽出物製造方法。   The method for producing a fucoidan extract according to any one of claims 1 to 4, wherein the algal raw material is akamoku. 前記藻類原料はワカメのメカブであることを特徴とする請求項1乃至請求項4のいずれかに記載のフコイダン抽出物製造方法。   The method for producing a fucoidan extract according to any one of claims 1 to 4, wherein the algal raw material is a seaweed mekabu. 請求項1乃至請求項7のいずれかに記載のフコイダン抽出物製造方法により製造されることを特徴とするフコイダン抽出物。   A fucoidan extract produced by the fucoidan extract production method according to any one of claims 1 to 7. 請求項8に記載のフコイダン抽出物を添加したことを特徴とする食品。
A food comprising the fucoidan extract according to claim 8 added thereto.
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JP2008011715A (en) * 2006-07-03 2008-01-24 Sanki Shoji Kk Food compounded with processed seaweed, and method for producing the same
JP2008231198A (en) * 2007-03-19 2008-10-02 Hokkaido Univ Fucoxanthin-containing fat-soluble oil, method for producing the same, and method for producing fucoxanthin
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JP2013123407A (en) * 2011-12-15 2013-06-24 Shizuka Akizuki 100 percent buckwheat noodle and method for producing the same
JP2019054764A (en) * 2017-09-21 2019-04-11 株式会社蟹の魚浜 Eucheuma cottonii processed food and method for producing the same
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JP7018042B2 (en) 2018-11-13 2022-02-09 チェジュ ナショナル ユニバーシティー インダストリー-アカデミック コーポレーション ファウンデーション Composition for improving lung damage or respiratory disease using Akamoku extract

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