JP2023097220A - Feather odor reducing method - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 235000020708 ginger extract Nutrition 0.000 claims abstract description 76
- 229940002508 ginger extract Drugs 0.000 claims abstract description 75
- 239000007787 solid Substances 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 6
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004480 active ingredient Substances 0.000 claims description 2
- 235000019645 odor Nutrition 0.000 description 26
- 235000006886 Zingiber officinale Nutrition 0.000 description 14
- 235000008397 ginger Nutrition 0.000 description 14
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- 239000002904 solvent Substances 0.000 description 7
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
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- 238000011156 evaluation Methods 0.000 description 3
- -1 iron ions Chemical class 0.000 description 3
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- 230000009965 odorless effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Natural products OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
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- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
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- 244000273928 Zingiber officinale Species 0.000 description 1
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- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
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- 238000009395 breeding Methods 0.000 description 1
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
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- ADRVNXBAWSRFAJ-UHFFFAOYSA-N catechin Natural products OC1Cc2cc(O)cc(O)c2OC1c3ccc(O)c(O)c3 ADRVNXBAWSRFAJ-UHFFFAOYSA-N 0.000 description 1
- 235000005487 catechin Nutrition 0.000 description 1
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- 238000004042 decolorization Methods 0.000 description 1
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- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
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- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
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- TYQCGQRIZGCHNB-JLAZNSOCSA-N l-ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(O)=C(O)C1=O TYQCGQRIZGCHNB-JLAZNSOCSA-N 0.000 description 1
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- 238000004062 sedimentation Methods 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
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- 238000000194 supercritical-fluid extraction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000002137 ultrasound extraction Methods 0.000 description 1
- 239000001841 zingiber officinale Substances 0.000 description 1
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- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
Description
本発明は羽毛の動物臭（羽毛臭）を低減させる羽毛臭低減化方法に関する。 The present invention relates to a feather odor reducing method for reducing the animal odor (feather odor) of feathers.
羽毛ふとんやダウンジャケットなど羽毛製品に使用される羽毛には独特の動物臭がする。その理由としては水鳥の飼育環境に由来する草木や泥、糞だけでなく、水鳥自身から分泌する油脂や飼料など様々な要因が考えられている。羽毛を洗浄することで羽毛臭は低減するが十分ではなく、羽毛製品の使用中に不快臭が発生してしまう。 Feathers used in feather products such as duvets and down jackets have a unique animal smell. The reason for this is thought to be not only plants, mud, and feces derived from the breeding environment of waterfowl, but also various factors such as oils and fats secreted by waterfowl themselves and feed. Washing the feathers reduces the smell of the feathers, but it is not sufficient, and an unpleasant odor is generated during use of the feather product.
そこで、羽毛臭の低減化のために様々な試みが行われてきた。例えば、羽毛洗浄後に硫酸第一鉄などの鉄イオンとアスコルビン酸などの酸化抑制剤を処理する方法（特許文献１）が知られている。しかしながら、この方法では羽毛臭の消臭は必ずしも十分ではない。
また、フタロシアニン化合物を処理する方法（特許文献２）やカテキン化合物を処理する方法（特許文献３）等も報告されているが、これらは、菌の増殖を防ぐことで防臭効果を発揮する抗菌加工であり、羽毛が持つ動物臭の消臭ではない。
Therefore, various attempts have been made to reduce the smell of feathers. For example, there is known a method of treating feathers with iron ions such as ferrous sulfate and an oxidation inhibitor such as ascorbic acid (Patent Document 1). However, this method is not always sufficient to deodorize feather odors.
A method of treating a phthalocyanine compound (Patent Document 2) and a method of treating a catechin compound (Patent Document 3) have also been reported. It is not a deodorant for animal odors that feathers have.
本発明は、羽毛臭を低減化するために有効な技術を提供することに関する。 The present invention relates to providing an effective technique for reducing feather odor.
本発明者らは、上記課題に鑑み鋭意研究を重ねた結果、人体に対して安全性の高い天然素材の中から、ショウガ抽出物に羽毛臭を効果的に低減化できる作用があることを見出した。 As a result of intensive research in view of the above problems, the present inventors found that ginger extract, among natural materials with high safety to the human body, has the effect of effectively reducing the odor of feathers. rice field.
すなわち、本発明は、以下の１）～８）に係るものである。
１）羽毛をショウガ抽出物と接触させる工程を含む、羽毛臭低減化方法。
２）羽毛をショウガ抽出物と接触させる工程を含む、低臭化羽毛の製造方法。
３）羽毛に対して、ショウガ抽出物を乾燥固形分で０．１％ｏｗｆ～２％ｏｗｆ用いる１）又は２）の方法。
４）羽毛とショウガ抽出物の接触が２０℃～８０℃で行われる１）～３）のいずれかの方法。
５）羽毛とショウガ抽出物の接触が１５分～６０分間行われる１）～４）のいずれかの方法。
６）接触が、羽毛をショウガ抽出物水溶液中に浸漬することにより行われる、１）～５）のいずれかの方法。
７）２）～６）のいずれかの方法によって製造される低臭化羽毛。
８）ショウガ抽出物を有効成分とする羽毛臭低減化剤。
That is, the present invention relates to the following 1) to 8).
1) A method for reducing feather odor, comprising the step of contacting feathers with a ginger extract.
2) A method for producing low-brominated feathers comprising the step of contacting the feathers with a ginger extract.
3) The method of 1) or 2) using 0.1% owf to 2% owf of ginger extract in terms of dry solids on feathers.
4) The method according to any one of 1) to 3), wherein the feather and ginger extract are contacted at 20°C to 80°C.
5) The method according to any one of 1) to 4), wherein the feathers and the ginger extract are contacted for 15 to 60 minutes.
6) The method according to any one of 1) to 5), wherein the contacting is performed by immersing the feathers in the ginger extract aqueous solution.
7) Low bromide feathers produced by any of the methods 2) to 6).
8) A feather odor reducing agent containing a ginger extract as an active ingredient.
本発明によれば、ショウガという安全性の高い食品素材を用いることから、人体に悪影響を及ぼすことなく効果的に羽毛臭を抑制することができる。 According to the present invention, since ginger, which is a highly safe food material, is used, feather odor can be effectively suppressed without adversely affecting the human body.
本発明において、「羽毛」とは、主として水鳥から採取される羽毛が挙げられ、例えばダック、グース、マザーグースなどから採取された羽毛が挙げられる。
また、羽毛の部位は限定されず、ダウンとフェザーのいずれであってもよい。
In the present invention, the term "feather" includes feathers collected mainly from waterfowl, such as ducks, goose, and mother goose.
Also, the feather part is not limited, and may be either down or feather.
本発明のショウガ抽出物において、「ショウガ」とは、ショウガ科のショウガ（学名：Ｚｉｎｇｉｂｅｒ ｏｆｆｉｃｉｎａｌｅ）を指す。
ショウガは、根茎、茎、葉から構成されるが、本発明のショウガ抽出物においては、主として根茎が使用される。ショウガの大きさに制限はなく、大ショウガ、中ショウガ、小ショウガのいずれも用いることができる。ショウガは、抽出に際してそのまま用いることもできるが、粉砕したり、摩り下ろした状態、圧搾して絞り汁とした状態として用いることもできる。
In the ginger extract of the present invention, "ginger" refers to ginger (scientific name: Zingiber officinale) of the Zingiberaceae family.
Ginger is composed of a rhizome, a stem, and leaves. In the ginger extract of the present invention, the rhizome is mainly used. The size of ginger is not limited, and any of large, medium and small ginger can be used. Ginger can be used as it is for extraction, but it can also be used after it has been pulverized, grated, or squeezed to obtain juice.
ショウガ抽出物としては、ショウガを常温又は加温下にて抽出するか又はソックスレー抽出器等の抽出器具を用いて抽出される各種溶媒抽出物、超臨界二酸化炭素等の超臨界抽出によって得られる抽出物、その希釈液、その濃縮液又はその乾燥末等が挙げられる。 Ginger extracts include various solvent extracts obtained by extracting ginger at room temperature or under heating, or using an extraction device such as a Soxhlet extractor, and extractions obtained by supercritical extraction such as supercritical carbon dioxide. substance, its diluted solution, its concentrated solution, its dried powder, and the like.
抽出のための溶媒には、極性溶媒、非極性溶媒のいずれをも使用することができる。溶媒の具体例としては、例えば、水；アルコール類（例えば、メタノール、エタノール等）ケトン類（例えば、アセトン、メチルエチルケトン等）；エステル類（例えば、酢酸メチル、酢酸エチル等）；エーテル類（例えば、ジエチルエーテル、テトラヒドロフラン等）；ポリエーテル類（例えば、ポリエチレングリコール等）；炭化水素類（例えば、ヘキサン等）；ならびにこれらの混合物が挙げられる。好適には、水、アルコール類水溶液（好ましくはエタノール水溶液）が挙げられ、より好ましくは水である。
なお、エタノール水溶液におけるアルコールの濃度（２５℃における容量％）は、好ましくは、３０～９９．５容量％、より好ましくは５０～９９．５容量％、さらに好ましくは７５～９９．５容量％が挙げられる。
Either a polar solvent or a non-polar solvent can be used as a solvent for extraction. Specific examples of solvents include water; alcohols (e.g., methanol, ethanol, etc.) ketones (e.g., acetone, methyl ethyl ketone, etc.); esters (e.g., methyl acetate, ethyl acetate, etc.); ethers (e.g., diethyl ether, tetrahydrofuran, etc.); polyethers (eg, polyethylene glycol, etc.); hydrocarbons (eg, hexane, etc.); and mixtures thereof. Suitable examples include water and aqueous alcohol solutions (preferably aqueous ethanol solutions), and more preferred is water.
The concentration of alcohol in the aqueous ethanol solution (% by volume at 25° C.) is preferably 30 to 99.5% by volume, more preferably 50 to 99.5% by volume, and still more preferably 75 to 99.5% by volume. mentioned.
抽出条件は、十分な抽出が行える条件であれば特に限定されないが、例えば、抽出時間は好ましくは０．５時間～５週間、より好ましくは３時間～２週間である。抽出温度は０℃～溶媒沸点が好ましく、５℃～９０℃がより好ましい。通常、低温なら長時間、高温なら短時間の抽出を行う。
抽出手段は、特に限定されないが、例えば、固液抽出、液液抽出、浸漬、煎出、浸出、還流抽出、ソックスレー抽出、超音波抽出、マイクロ波抽出、攪拌等の通常の手段を用いることができる。
The extraction conditions are not particularly limited as long as they allow sufficient extraction. For example, the extraction time is preferably 0.5 hours to 5 weeks, more preferably 3 hours to 2 weeks. The extraction temperature is preferably from 0°C to the boiling point of the solvent, more preferably from 5°C to 90°C. Usually, the extraction is carried out for a long time at a low temperature and for a short time at a high temperature.
The extraction means is not particularly limited, but conventional means such as solid-liquid extraction, liquid-liquid extraction, immersion, decoction, leaching, reflux extraction, Soxhlet extraction, ultrasonic extraction, microwave extraction, and stirring can be used. can.
本発明のショウガ抽出物は、本発明の効果を発揮するものであれば粗精製物であってもよい。また、必要に応じて、液々分配、固液分配、濾過膜、活性炭、吸着樹脂、イオン交換樹脂、澱出し等の公知の技術によって不活性な夾雑物の除去、脱臭、脱色等の処理を施すことができる。また、さらに公知の分離精製方法を適宜組み合わせてこれらの純度を高めてもよい。 The ginger extract of the present invention may be a crudely purified product as long as it exhibits the effects of the present invention. In addition, if necessary, treatment such as removal of inert contaminants, deodorization, decolorization, etc. by known techniques such as liquid-liquid partition, solid-liquid partition, filtration membrane, activated carbon, adsorption resin, ion exchange resin, sedimentation, etc. can apply. In addition, the purity of these substances may be increased by appropriately combining known separation and purification methods.
また、本発明のショウガ抽出物は、そのまま用いてもよく、適宜な溶媒で希釈した希釈液として用いてもよく、あるいは濃縮エキスや乾燥粉末としたり、ペースト状に調製したものでもよい。また、凍結乾燥し、用時に、通常抽出に用いられる溶剤、例えば水、エタノール、水・エタノール混液等の溶剤で希釈して用いることもできる。 The ginger extract of the present invention may be used as it is, or may be used as a diluted solution diluted with an appropriate solvent, or may be used as a concentrated extract, dried powder, or prepared as a paste. It can also be freeze-dried and diluted with a solvent commonly used for extraction, such as water, ethanol, or a mixture of water and ethanol, before use.
本発明において、羽毛とショウガ抽出物との接触は、ショウガ抽出物を羽毛に供給できればその手段は問われないが、ショウガ抽出物を所定量含む溶液、例えばショウガ抽出物水溶液に羽毛を浸漬することが好適に挙げられる。
通常、羽毛の加工は、原羽毛から夾雑物を取り除いた後、洗剤を用いて洗浄した後、水洗、脱水、乾燥がなされるが、本発明においてショウガ抽出物との接触に使用される羽毛は水洗の前後の羽毛であればよく、好ましくは洗浄後の羽毛が挙げられる。また、水洗中の羽毛、すなわち水洗と同時にショウガ抽出物との接触を行うことでも良い。
In the present invention, the contact between the feathers and the ginger extract is not limited as long as the ginger extract can be supplied to the feathers. are preferably mentioned.
Generally, feathers are processed by removing contaminants from raw feathers, washing with a detergent, washing with water, dehydrating, and drying. Feathers before and after washing with water may be used, and feathers after washing are preferred. Also, the feathers being washed with water, that is, contact with the ginger extract at the same time as the washing with water may be performed.
羽毛との接触に使用されるショウガ抽出物の量（濃度）は、羽毛の低臭化効果を高める点から、好ましくは０．１％ｏｗｆ～２％ｏｗｆ、より好ましくは０．１５％ｏｗｆ～１．５％ｏｗｆ、より好ましくは０．１８％ｏｗｆ～１．４％ｏｗｆ、より好ましくは０．２％ｏｗｆ～１％ｏｗｆである。
ここで、「ｏｗｆ」はｏｎ ｔｈｅ ｗｅｉｇｈｔ ｏｆ ｆｉｂｅｒの略であり、％ｏｗｆは、羽毛質量当たりのショウガ抽出物の質量（乾燥固形分質量）の百分率を意味する。
なお、「乾燥固形分」とは、抽出物から溶媒を乾燥させることで除去した後に得られる残分をいう。
The amount (concentration) of ginger extract used for contact with feathers is preferably 0.1% owf to 2% owf, more preferably 0.15% owf to 1.5%owf, more preferably 0.18%owf to 1.4%owf, more preferably 0.2%owf to 1%owf.
Here, "owf" is an abbreviation for on the weight of fiber and %owf means the percentage of ginger extract mass (dry solids mass) per feather mass.
In addition, "dry solid content" refers to the residue obtained after removing the solvent from the extract by drying.
羽毛とショウガ抽出物の接触温度は、好ましくは２０℃～８０℃であり、より好ましくは６０℃～８０℃である。また、接触時間は、好ましくは１５分～６０分であり、より好ましくは４５分～６０分である。より好ましい条件として、６０℃～８０℃で４５分～６０分の接触が挙げられる。 The contact temperature between feathers and ginger extract is preferably 20°C to 80°C, more preferably 60°C to 80°C. Also, the contact time is preferably 15 to 60 minutes, more preferably 45 to 60 minutes. More preferable conditions include contact at 60° C. to 80° C. for 45 minutes to 60 minutes.
ショウガ抽出物と接触させた羽毛は、後記実施例に示すとおり、羽毛臭が低減化される。従って、ショウガ抽出物は、羽毛の動物臭を低減化するための羽毛臭低減化剤となり得、羽毛の加工製造工程において、羽毛臭低減化のために使用できる。 Feathers brought into contact with the ginger extract have a reduced feather odor, as shown in the Examples below. Therefore, the ginger extract can be used as a feather odor reducing agent for reducing the animal odor of feathers, and can be used for feather odor reduction in feather processing and manufacturing processes.
斯くして、ショウガ抽出物と接触させた羽毛を、適宜水洗を行った後、脱水、乾燥等によって水分を除去すれば、羽毛臭が低減化された低臭化羽毛を製造することができる。
得られた低臭化羽毛は、布団、枕、クッション、ダウンジャケット、寝袋の他、羽毛を使用した様々な羽毛製品に使用することができる。
Thus, the feathers brought into contact with the ginger extract are appropriately washed with water, and then dewatered or dried to remove water, thereby producing low-bromine feathers with reduced feather odor.
The obtained low-brominated feathers can be used for futons, pillows, cushions, down jackets, sleeping bags, and various feather products using feathers.
以下の実施例及び比較例において使用するショウガ抽出物は、日本粉末薬品株式会社の「（食品原料用）ショウガエキス」（ショウガ乾燥固形分７０％）を用いた。当該ショウガエキスエキスは、ショウガの根茎の乾燥物から、水を用いて抽出した軟エキスである。 As the ginger extract used in the following examples and comparative examples, “(food raw material) ginger extract” (ginger dry solid content: 70%) manufactured by Nippon Powdered Yakuhin Co., Ltd. was used. The ginger extract is a soft extract extracted with water from dried ginger rhizomes.
実施例１
羽毛を、ショウガ抽出物が乾燥固形分換算で０．１８％ｏｗｆとなるようにショウガ抽出物水溶液に浸し、６０℃で３０分浸漬した。その後、脱水、乾燥させてショウガ抽出物処理羽毛を作製した。
Example 1
Feathers were immersed in an aqueous ginger extract solution so that the ginger extract content was 0.18% owf in terms of dry solid content, and immersed at 60° C. for 30 minutes. Thereafter, the feathers were dehydrated and dried to produce ginger extract-treated feathers.
実施例２
ショウガ抽出物が乾燥固形分換算で０．３５％ｏｗｆとなるようにショウガ抽出物水溶液を変えた他は実施例１と同様に行い、ショウガ抽出物処理羽毛を作製した。
実施例３
Example 2
Feathers treated with ginger extract were produced in the same manner as in Example 1, except that the ginger extract aqueous solution was changed so that the ginger extract contained 0.35% owf in terms of dry solid content.
Example 3
ショウガ抽出物が乾燥固形分換算で０．７％ｏｗｆとなるようにショウガ抽出物水溶液を変えた他は実施例１と同様に行い、ショウガ抽出物処理羽毛を作製した。
実施例４
Feathers treated with ginger extract were produced in the same manner as in Example 1, except that the ginger extract aqueous solution was changed so that the ginger extract contained 0.7% owf in terms of dry solid content.
Example 4
ショウガ抽出物が乾燥固形分換算で１．４％ｏｗｆとなるようにショウガ抽出物水溶液を変えた他は実施例１と同様に行い、ショウガ抽出物処理羽毛を作製した。 Feathers treated with ginger extract were produced in the same manner as in Example 1, except that the aqueous ginger extract solution was changed so that the ginger extract contained 1.4% owf in terms of dry solid content.
比較例１
ショウガ抽出物を含まない溶液に変えた他は実施例１と同様に行い、ショウガ抽出物未処理羽毛を作製した。
Comparative example 1
Feathers untreated with ginger extract were produced in the same manner as in Example 1, except that the solution was changed to one containing no ginger extract.
比較例２
ショウガ抽出物が乾燥固形分換算で０．０７％ｏｗｆとなるようにショウガ抽出物水溶液を変えた他は実施例１と同様に行い、ショウガ抽出物処理羽毛を作製した。
Comparative example 2
Feathers treated with ginger extract were produced in the same manner as in Example 1, except that the aqueous ginger extract solution was changed so that the ginger extract contained 0.07% owf in terms of dry solid content.
比較例３
ショウガ抽出物が乾燥固形分換算で２．８％ｏｗｆとなるようにショウガ抽出物水溶液を変えた他は実施例１と同様に行い、ショウガ抽出物処理羽毛を作製した。
Comparative example 3
Feathers treated with ginger extract were produced in the same manner as in Example 1, except that the ginger extract aqueous solution was changed so that the ginger extract contained 2.8% owf in terms of dry solid content.
比較例４
ショウガ抽出物が乾燥固形分換算で７．０％ｏｗｆとなるようにショウガ抽出物水溶液を変えた他は実施例１と同様に行い、ショウガ抽出物処理羽毛を作製した。
Comparative example 4
Feathers treated with ginger extract were produced in the same manner as in Example 1, except that the ginger extract aqueous solution was changed so that the ginger extract had a dry solid content of 7.0% owf.
実施例１～４及び比較例１～４で製造したショウガ抽出物処理羽毛を無臭袋に詰め、５人のパネラーに臭気を嗅いでもらい、官能評価を行った。比較例１のショウガ抽出物未処理羽毛と比較して、臭気の強度を４段階（１．低減した、２．やや低減した、３．変化無し、４．強くなった）で評価した。また異臭について３段階（１．なし、２．わずかに感じる、３．明確に感じる）で評価した。結果を表１に示す。 The ginger extract-treated feathers produced in Examples 1 to 4 and Comparative Examples 1 to 4 were packed in an odorless bag, and sensory evaluation was carried out by having five panelists sniff the odor. Compared with the ginger extract-untreated feathers of Comparative Example 1, the odor intensity was evaluated in four stages (1. reduced, 2. slightly reduced, 3. no change, 4. stronger). Also, offensive odors were evaluated in 3 grades (1. None, 2. Slightly perceived, 3. Clearly perceived). Table 1 shows the results.
実施例１～４はショウガ抽出物未処理羽毛（比較例１）と比較して臭気強度が低下していた。比較例２はショウガ抽出物濃度が低すぎて効果が十分に発揮されず、比較例３，４はショウガ抽出物濃度が高すぎてショウガの臭気を異臭として強く感じていた。ショウガ抽出物の濃度は０．１８～１．４％ｏｗｆであることが好ましいことがわかった。 Examples 1 to 4 had lower odor intensity than feathers not treated with ginger extract (Comparative Example 1). In Comparative Example 2, the concentration of ginger extract was too low and the effect was not sufficiently exhibited. It has been found that the concentration of ginger extract is preferably between 0.18 and 1.4% owf.
実施例５
羽毛を、ショウガ抽出物が乾燥固形分換算で０．３５％ｏｗｆとなるようにショウガ抽出物水溶液に浸し、２０℃で３０分浸漬した。その後、脱水、乾燥させてショウガ抽出物処理羽毛を作製した。
Example 5
Feathers were immersed in an aqueous ginger extract solution so that the ginger extract content was 0.35% owf in terms of dry solid content, and immersed at 20° C. for 30 minutes. Thereafter, the feathers were dehydrated and dried to produce ginger extract-treated feathers.
実施例６
４０℃で３０分浸漬に変えた他は実施例５と同様に行い、ショウガ抽出物処理羽毛を作製した。
Example 6
Feathers treated with ginger extract were produced in the same manner as in Example 5, except that the dipping was changed to 40° C. for 30 minutes.
実施例７
６０℃で３０分浸漬に変えた他は実施例５と同様に行い、ショウガ抽出物処理羽毛を作製した。
Example 7
Feathers treated with ginger extract were produced in the same manner as in Example 5 except that the dipping was changed to 60° C. for 30 minutes.
実施例８
８０℃で３０分浸漬に変えた他は実施例５と同様に行い、ショウガ抽出物処理羽毛を作製した。
Example 8
Feathers treated with ginger extract were produced in the same manner as in Example 5, except that the dipping was changed to 80° C. for 30 minutes.
実施例５～８で製造したショウガ抽出物処理羽毛を無臭袋に詰め、５人のパネラーに臭気を嗅いでもらい、官能評価を行った。比較例１のショウガ抽出物未処理羽毛と比較して、臭気の強度を４段階（１．低減した、２．やや低減した、３．変化無し、４．強くなった）で評価した。また異臭について３段階（１．なし、２．わずかに感じる、３．明確に感じる）で評価した。結果を以下の表２に示した。 The ginger extract-treated feathers produced in Examples 5 to 8 were packed in an odorless bag, and five panelists were asked to smell the feathers for sensory evaluation. Compared with the ginger extract-untreated feathers of Comparative Example 1, the odor intensity was evaluated in four stages (1. reduced, 2. slightly reduced, 3. no change, 4. stronger). Also, offensive odors were evaluated in 3 grades (1. None, 2. Slightly perceived, 3. Clearly perceived). The results are shown in Table 2 below.
実施例５～８はショウガ抽出物未処理羽毛（比較例１）と比較して臭気強度が低下していた。浸漬時の温度は高い方が効果が高いことがわかった。 Examples 5 to 8 had lower odor intensity than feathers not treated with ginger extract (Comparative Example 1). It was found that the higher the temperature during immersion, the higher the effect.
実施例９
羽毛を、ショウガ抽出物が乾燥固形分換算で０．７０％ｏｗｆとなるようにショウガ抽出物水溶液に浸し、６０℃で１５分浸漬した。その後、脱水、乾燥させてショウガ抽出物処理羽毛を作製した。
Example 9
Feathers were immersed in an aqueous ginger extract solution so that the ginger extract content was 0.70% owf in terms of dry solids, and immersed at 60° C. for 15 minutes. Thereafter, the feathers were dehydrated and dried to produce ginger extract-treated feathers.
実施例１０
３０分浸漬に変えた他は実施例７と同様に行い、ショウガ抽出物処理羽毛を作製した。
Example 10
Feathers treated with ginger extract were produced in the same manner as in Example 7, except that the immersion was changed to 30 minutes.
実施例１１
４５分浸漬に変えた他は実施例７と同様に行い、ショウガ抽出物処理羽毛を作製した。
Example 11
Feathers treated with ginger extract were produced in the same manner as in Example 7, except that the immersion was changed to 45 minutes.
実施例１２
６０分浸漬に変えた他は実施例７と同様に行い、ショウガ抽出物処理羽毛を作製した。
Example 12
Feathers treated with ginger extract were produced in the same manner as in Example 7, except that the immersion was changed to 60 minutes.
実施例９～１２で製造したショウガ抽出物処理羽毛を無臭袋に詰め、５人のパネラーに臭気を嗅いでもらい、官能評価を行った。比較例１のショウガ抽出物未処理羽毛と比較して、臭気の強度を４段階（１．低減した、２．やや低減した、３．変化無し、４．強くなった）で評価した。また異臭について３段階（１．なし、２．わずかに感じる、３．明確に感じる）で評価した。結果を以下の表３に示した。 The ginger extract-treated feathers produced in Examples 9 to 12 were packed in an odorless bag, and five panelists were asked to smell the feathers for sensory evaluation. Compared with the ginger extract-untreated feathers of Comparative Example 1, the odor intensity was evaluated in four stages (1. reduced, 2. slightly reduced, 3. no change, 4. stronger). Also, offensive odors were evaluated in 3 grades (1. None, 2. Slightly perceived, 3. Clearly perceived). The results are shown in Table 3 below.
実施例９～１２はショウガ抽出物未処理羽毛（比較例１）と比較して臭気強度が低下していた。浸漬時間は長い方が効果が高いことがわかった。
Examples 9-12 had lower odor intensity compared to feathers not treated with ginger extract (Comparative Example 1). It was found that the longer the immersion time, the higher the effect.
Claims (8)
A feather odor reducing agent containing a ginger extract as an active ingredient.
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| JPS5423712A (en) * | 1977-07-23 | 1979-02-22 | Kruchen Betten | Cleaning of feather and wool material of domestic animal |
| JPS58180188A (en) * | 1982-04-17 | 1983-10-21 | 島本株式会社 | Deodorizing treatment of feather |
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