JP3674384B2 - Manufacturing method of processed fish products - Google Patents

Manufacturing method of processed fish products Download PDF

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Publication number
JP3674384B2
JP3674384B2 JP09599299A JP9599299A JP3674384B2 JP 3674384 B2 JP3674384 B2 JP 3674384B2 JP 09599299 A JP09599299 A JP 09599299A JP 9599299 A JP9599299 A JP 9599299A JP 3674384 B2 JP3674384 B2 JP 3674384B2
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Prior art keywords
fish meat
fish
soy protein
processed
soybean protein
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JP2000287646A (en
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哲彦 岡嶋
さおり 中井
紀夫 澤村
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Fuji Oil Co Ltd
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Fuji Oil Co Ltd
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Priority to CNB008004900A priority patent/CN1222228C/en
Priority to PCT/JP2000/002065 priority patent/WO2000059320A1/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23JPROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J3/00Working-up of proteins for foodstuffs
    • A23J3/14Vegetable proteins
    • A23J3/16Vegetable proteins from soybean
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L17/00Food-from-the-sea products; Fish products; Fish meal; Fish-egg substitutes; Preparation or treatment thereof

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Biochemistry (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Fish Paste Products (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は魚肉落し身、フィレ,ラウンドを原料とする魚肉加工品に関する。
【発明の詳細な説明】
【0002】
【発明の属する技術分野】
本発明は均質にペースト化された摺り身を利用した水産練製品ではなく、魚肉塊(魚肉落し身、フィレ,ラウンド等)を原料としかつ十分な大豆蛋白を含む魚肉片組織を有する魚肉加工品に関する。水でさらす等して旨味の抜けた従来の摺身に比べ魚本来の旨味を保持し、かつ十分に大豆蛋白を含む魚塊を用いた水産加工品に関する。
【0003】
【従来の技術】
大豆たん白は保水性,ゲル形成性等の機能特性を備えていることより水産加工品、特に蒲鉾,竹輪,揚蒲鉾において魚肉すり身と混合することでの弾力補強、歩留向上を目的に使用されてきた。
魚肉すり身は魚体より頭部,内臓,皮,骨を除去し、魚肉を晒し工程により水溶性蛋白質及び血液,脂肪を除いた魚肉蛋白質であり、蒲鉾,竹輪,揚蒲鉾等の魚肉練製品の主原料として使用されている。これらの製品は独特の弾力を「足」と呼び強いものが従来より好まれてきた。
大豆たん白は水和したカードや水和・乳化したエマルジョンカード、さらに直接粉体で添加する方法で魚肉すり身に混合し使用されることが多い。
これらの魚肉練製品は擂潰機やサイレントカッター,ボールカッターにより食塩添加後良く混練/擂潰され、均一な物性を呈すと共に先に述べた「足」と呼ぶ弾力を有する。
魚肉練製品はスケソウダラすり身の普及により、安定した品質を保持するに至ったが、反面、水さらしによる味の減少があり調味料による調味と均一な物性は魚肉本来の組織と風味を大きく変えた形となっている。
魚肉落し身は魚肉すり身を製造する際の中間素材である。すなわち、魚体より頭部,内臓,皮,骨を除去した魚肉そのものであるが、水晒しを行っていないことにより、水溶性蛋白質,水溶性微量成分,脂肪,血液を含むことで練製品に求められる「足」が発現しにくいことにより、我国では利用される機会が殆ど無かった。また、加工する際に保水性,結着性が欠如していることも魚肉落し身が利用されない要因ともなっている。
一方、魚肉落し身は魚肉そのものであり、魚肉の組織と風味を残しており、また近年の環境問題を考慮すれば魚肉すり身にすることなく使用することは資源の有効利用の観点からは望まれるものである。
魚肉落し身への植物性たん白の利用は特開昭56−68343において乾燥卵白,小麦粉,でんぷんとの併用が報告されているが、たん白類の使用は粉体で落し身に混合しあくまで落し身の加熱時の離水を吸収することでの報告となっている。
また、特公昭56−36905号公報,特開昭63−56269号公報 ,特開平03−219854号公報,特開平05−103634号公報に見られる魚肉の肉質改良法は卵白、血清または血漿さらにトランスグルタミナーゼ,チロスタチンを添加混合することにより、魚肉の保水性及び弾力を改善しているが、蒲鉾原料としてのすり身の物性を評価基準としており魚肉本来の組織は喪失したものとなっている。
一方大豆たん白についてはもともと保水性,ゲル形成性といった機能持性を有しているが、筋肉組織への浸透しづらいという欠点を有していた。そこで特開平9−313110,特開平9−313111にあげられるように大豆蛋白質に蛋白質分解酵素を作用させて大豆蛋白質中のβ−コングリシニンを選択的に分解させて得られるβ−コングリシニン低含量の大豆たん白により粘性を低下させ肉組織への浸透を改善する手法が取られているが、ハムに代表される食肉加工品及び飲料への利用が報告されているにすぎず、水産分野、特に魚肉への利用は報告されていない。
【0004】
【発明が解決しようとする課題】
本発明は大豆たん白溶液含有魚肉落し身を利用して組織感のある魚肉加工品の製造方法を提供することにある。
【0005】
【課題を解決するための手段】
本発明者らは、上記課題を解決すべく鋭意研究した結果、魚肉塊に溶液状態で粘度の低い大豆蛋白溶液(例えば水解した大豆蛋白溶液)を浸透させることにより、摺身に大豆蛋白を混練させるより多量かつ均一に大豆蛋白を魚肉塊中に含浸させることが出来、魚肉の旨味をそのままに魚肉加工品を製造出来る知見を得た。更に、大豆蛋白溶液と魚肉塊を緩やかに混合することにより魚肉塊の品質(物性,風味)が向上することを見出し本発明を完成したものである。
即ち、本発明は、魚肉加工品の製造工程において低粘度の大豆たん白溶液を魚肉塊の組織内に浸透させることを特徴とする魚肉加工品の製造法である。この発明において、魚肉加工品は完全に練ってしまうのではなく、魚肉片組織を残したものが適当である。残存する魚肉片組織の大きさは1mm以上、より好ましくは3mm以上の大きさのものが好ましい。大豆蛋白溶液の粘度が10〜200mPa・s以下が好ましい。大豆蛋白溶液は魚肉塊中に5〜50%含まれることが好ましい。大豆たん白は乾燥固形分として魚肉加工品中0.5〜5重量%が好ましい。低粘度の大豆たん白溶液に用いる大豆蛋白は加水分解されていることが好ましい。低粘度の大豆たん白溶液に用いる大豆たん白はβ−コングリシニン低含量大豆たん白が好ましい。浸透させる態様は大豆蛋白溶液と魚肉塊を緩やかに混合し、大豆蛋白溶液を魚肉塊に浸透させることが出来る。
【0006】
【発明実施の形態】
本発明の魚肉加工品の製造工程は、大豆蛋白溶液と魚肉塊を混合し、十分大豆蛋白を魚肉塊に浸透させ、該魚肉塊はそのまま成型するか、塩漬工程を行い、成型し、そのままでの状態で、またはバッタリングを行い、加熱工程にかけ、またはかけずに冷凍を行うことが出来る。
本発明の大豆蛋白溶液に適用される大豆たん白は全脂豆乳及び脱脂豆乳、濃縮大豆たん白、分離大豆たん白等であり、蛋白変性を伴わない若しくは蛋白変性が軽度であるものが好ましく、原料大豆の品種、産地等には限定されない。一般的には粗たん白量が85%以上ものの分離大豆たん白が適当である。又、かかる大豆蛋白は水中油型エマルジョン或いはその乾燥物を用いることも出来る。
本発明の低粘度の大豆蛋白溶液の粘度が10〜200mPa・s 好ましくは100mPa・s以下が適当である。この範囲の粘度が大豆蛋白溶液を魚肉塊に浸透しやすく適当である。
大豆蛋白溶液の粘度は大豆蛋白の濃度を調整して低粘度とすることも出来るが、多量の大豆蛋白を溶液として魚肉塊内に浸透させるには、出来るだけ高濃度の大豆蛋白溶液が好ましく、かつその粘度が低いことが好ましい。
このような低粘度の大豆たん白溶液に用いる大豆蛋白は加水分解されているものが適当である。加水分解は酵素等を用いて大豆蛋白がゲル形成性を失わない程度に水解されていることが好ましく、通常0.22モルのトリクロル酸可溶の窒素指数が原料の窒素指数に対する割合が5%以上が適当である。低粘度の大豆たん白溶液に用いる大豆たん白がβ−コングリシニン低含量大豆たん白が適当である。かかるβ−コングリシニン低含量大豆たん白の製造法の一例としては特開平9−313111号公報に記載される大豆蛋白をあげることが出来る。
このような低粘度の大豆蛋白溶液を用いることにより、大豆蛋白溶液を魚肉塊中に5〜50%含ませることが出来る。
水解していない通常の大豆蛋白溶液であれば粘度が高いので上記の約半分の量しか魚肉塊中に含ませることが出来ない。通常の大豆蛋白を高濃度にすると魚肉塊の中に浸透せず周囲に付着するので得られる魚肉加工品はちょうど魚肉塊が大豆蛋白のつなぎで結着されたようになり目的の魚肉加工食品とは異なるものとなる。
具体的に例示すると、市販分離大豆蛋白を溶液として魚肉塊に浸透させようとすると、魚肉塊に浸透していく濃度はせいぜい4重量%溶液である。
ところが、粘度の低い大豆蛋白を用いると大豆蛋白溶液の濃度を10%にしても魚肉塊中へ浸透させることが可能となる。従って、大豆蛋白溶液の濃度により異なるが、大豆たん白の乾燥固形分として魚肉加工品中0.5〜5重量%含まれるようにすることが適当である。
従来の分離大豆蛋白では、この約半分の量しか含ませることが出来なかった。本発明に使用される魚肉塊は、魚肉落し身、フィレ,ラウンド等で、水に晒していないので旨味の抜けておらず、魚本来の旨味を保持した魚肉塊が好ましい。例えば、魚肉落とし身は、魚肉すり身を製造する際の中間素材でもあり、魚体より頭部,内臓,皮,骨を除去した魚肉である。
魚肉落し身に使用される魚は海洋,河川,湖沼に生息する魚類が対象となり、スケソウダラ、ミナミダラ、イトヨリ、エソ、キンメダイ、イワシ、サバ、アジ、ホキ、ヘイク、カレイ、カツオ、サケなどが使用される。
こうして得られた魚肉加工品は蛋白質バランスに優れ食感,風味,外観の官能評価が良好なものである。
本発明の魚肉加工品は魚肉片組織を残したことで、摺身を用いた魚肉が均質化されたものとは異なる。前述のように擂身と落とし身のような魚肉塊とは水晒しされているかいなか、均質化されてペースト状であるか否か等の点で異なる。従って、得られる魚肉加工品も摺身を用いた水産練製品と本発明のように魚肉塊を用いた魚肉加工品とは異なる。即ち、本発明の魚肉加工品は魚肉塊を均質になるまでサイレントカッター等で混練して均質な魚肉加工品としても魚本来の旨味を有し、大豆蛋白による決着性を有するが、好ましくは均質化する前の段階でサイレントカッターなどにより混練をとめて魚肉塊が組織を有するように含まれる魚肉加工品が適当である。
本発明の魚肉加工品中の魚肉片組織の大きさは、通常平均径1mm以上、好ましくは3mm以上、より好ましくは5mm以上が適当である。
又、大豆蛋白溶液を魚肉塊に浸透させる態様が大豆蛋白溶液と魚肉塊を混合し、大豆蛋白溶液を魚肉塊に緩やかな浸透させることが適当である。
混合の例示としては、サイレントカッター等のような高速で切断するのではなく、低速でカッター処理したりビーター羽根のような混合機能を有する装置で、魚肉塊を出来るだけ壊さないような緩やかな混合が適当である。このようにして魚肉片組織、換言すれば肉粒感が残る魚肉加工食品を得ることが出来る。
以上のようにして得られる魚肉加工品としては、例えば魚フライ品、魚バーグ、魚ミンチバーグ、魚ハム、魚ソーセージ等を掲げることが出来る。
以下、魚肉加工品の製造例にそってより具体的に本発明の実施態様の一つを説明するが、用いる原材料等の添加順序等は特に限定されるものではない。
大豆蛋白溶液の製造法について例説する。
本発明の実施に際して、大豆たん白0.5〜15%を0〜30℃の水にまず溶解し、必要に応じて卵たん白,乳たん白,カゼインナトリウム等の他のたん白素材を溶解する。さらに糖類、りん酸塩、色素、調味料、香辛料、食塩を溶解することができるが、これらの添加順序は特に限定されない。調製したものを微細化処理できる溶解設備にかけることが好ましい。
このようにして得られた溶液は、好ましくは消泡した後、ミキサー,サイレントカッターで魚肉落し身あるいはフィレーと混合される。この際ミキサーではパドル,アーム,リボンの羽根にて回転数1〜20回転/分、サイレントカッターではナイフの回転を10〜500回転/分にて1〜10分の範囲で出来るだけ落し身の組織が練られないように液と身を混合する。さらにこの際真空下で作業を行っても良い。
大豆たん白溶液と合わさった落し身はそのまま成型するか、0〜10℃で1〜36時間塩漬工程を行い、成型し、そのままでの状態で、またはバッタリングを行い、加熱工程にかけ、またはかけずに冷凍を行う。こうして得られた魚肉加工品は蛋白質バランスに優れ食感,風味,外観の官能評価が良好なものである。
【0007】
【実施例】
以下、実施例により本発明の実施様態を具体的に説明する。但し、本発明はこれらの実施例にその技術範囲が限定されるものではない。
実施例1
下記表1に示した配合(重量%)にて、魚肉加工品を調製した。イトヨリ落し身はタイ国産・Kantang Co.LTD製を使用した。比較品1にはイトヨリ落し身のみを使用し、ミキサー(KENMIX)にて食塩及び水を混合した。いずれの落し身も68mm以上の繊維状組織を持っていた。混合条件はビーター羽根で30rpmを3分間行った。比較例2にはイトヨリ落し身に加水分解処理していない分離大豆たん白(不二製油株式会社製 商標サンラバー20)を溶解機(HOMOMIXER MARK2 特殊機化工業株式会社製)にて6000rpmにて10分溶解し溶液に調製、比較例1と同様の混合方法で落し身と混合した。本試作例はβ−コングリシニンを選択的に加水分解処理した分離大豆たん白(不二製油株式会社製 商標サンラバー70)を使用し、比較例1と同様に調製した。調製した肉混合物はいづれも水分80%であった。落し身の大きさは約10〜100mm平均であった。調製した肉混合物は塩化ビニリデンケーシング(呉羽化学株式会社製 直径65mm)に充填し90℃で1時間湯煮し、冷却後魚肉加工品とした。

Figure 0003674384
得られた魚肉加工品をケーシング剥離し、剥離時の離水を加熱前の肉混合物重量に対する百分率で表し離水率を求めた。結果を表2に記す。
Figure 0003674384
表2の結果より本発明例と比較例2が比較例1に比べ保水性に優れていることが判った。
得られた魚肉加工品の物性試験を行った。魚肉加工品を厚さ20mmに切断しテクスチャーアナライザーTAXT2(Stable Micro System社製)を使用しプランジャーとして5mmφ球型を速度1mm/secにて10mmまで進入した。結果を図1に示す。図1から明らかなとおり比較例1,2に対し、本発明例は縦軸の荷重値が有意に高位にあることが確認された。また、比較例2は比較例1に対し縦軸の荷重値がやや高位にあるに留まった。
次に得られた魚肉加工品の物性の計数評価を行った。魚肉加工品を厚さ10mmに切断しテクスチャーアナライザーTAXT2(Stable Micro System社製)を使用しプランジャーとして16mmφ円筒型を速度5mm/secにて8mmまで進入を2回繰返し、TPA解析にて硬さ,ガム性を求めた。結果を図2に示す。図2から明らかなとおり本発明例は比較例1,2に比べ硬さ,ガム性の計数値が高位にあることが判る。このことよりゼリー強度解析とは異なるTPA解析は「足」とは異なる食感の硬さ、組織感を計数的に読み取っており、この観点からも、本発明例が,比較例1比較例2に比べ噛み応えがあり、組織感があることが認められた。
得られた魚肉加工品の品質の官能評価を行った。品質が優れているものを○、やや劣るものを△、劣るものを×で示す。結果を下記表3に記す。
Figure 0003674384
以上の結果から明らかなように、加水分解処理した分離大豆たん白はイトヨリ落し身の物性改善効果があることを確認した。
実施例2
下記表4に示した配合(重量%)にて、魚肉加工品を調製した。キンメダイ落し身はタイ国産・Kantang Co.LTD製を使用した。比較例はキンメダイ落し身のみを使用し、バキュームカッター(ヒガシモトキカイ株式会社製VK−020)にて溶液と混合した。混合条件はナイフ回転を200rpmを2分間行った。比較例はキンメダイ落し身に糖類,植物性油脂を溶解機(T.K.HOMOMIXER MARK2 特殊機化工業株式会社製)にて6000rpmにて10分溶解し溶液に調製したものを落し身と混合した。本試作例は加水分解処理した分離大豆たん白(不二製油株式会社製 商標サンラバー70)を使用し、比較例1と同様に調製した。落し身の大きさは約2〜20mm平均であった。調製した肉混合物は成型機(株式会社日本キャリア工業製CF−10)にて25g角型に成形しバッターパン粉付けを行い180℃3分油ちょうし魚肉加工品とした。
Figure 0003674384
得られた魚肉加工品の品質の官能評価を行った。品質が優れているものを○、劣るものを×で示す。結果を下記表5に記す。
Figure 0003674384
以上の結果から明らかなように、加水分解処理した分離大豆たん白はキンメダイ落し身の物性改善効果があることを確認した。
【0008】
【発明の効果】
本発明により、摺身のような結着性は劣るが魚の旨味を有する落とし身のような魚肉塊に大豆たん白溶液を浸透させて組織感のある魚肉加工品の製造が可能になったものである。
【図面の簡単な説明】
「【図1】」は実施例1で求めた魚肉加工品の粘弾性測定を示す図面である。
「【図2】」は実施例1で求めた魚肉加工品のTPA解析を示す図面である。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a processed fish meat product using fish meat, fillet, and round as raw materials.
DETAILED DESCRIPTION OF THE INVENTION
[0002]
BACKGROUND OF THE INVENTION
The present invention is not a fish paste product using a paste that has been made into a uniform paste, but a processed fish meat product made from a lump of fish (sliced fish, fillet, round, etc.) and having a piece of fish tissue containing sufficient soy protein About. The present invention relates to a processed fishery product using a fish mass that retains its original umami taste and sufficiently contains soy protein as compared to a conventional sashimi that has lost its umami taste by exposure to water.
[0003]
[Prior art]
Soy protein has functional properties such as water retention and gel-forming properties, and is used for the purpose of reinforcing elasticity and improving yield by mixing fishery products in processed fishery products, especially salmon, bamboo rings, and fried salmon. It has been.
Fish surimi is a fish protein from which the head, internal organs, skin, and bones are removed from the fish body, and the fish meat is exposed to remove water-soluble proteins and blood and fat by the process. Used as a raw material. These products have traditionally been favored by their unique elasticity called “foot”.
Soy protein is often mixed with fish paste by adding hydrated curd, hydrated / emulsified emulsion curd, or adding powder directly.
These fish paste products are kneaded / crushed well after adding salt by a crusher, silent cutter, or ball cutter, exhibit uniform physical properties, and have the elasticity referred to as the “foot” described above.
Fish paste products have maintained stable quality due to the popularization of surimi surimi, but on the other hand, there is a decrease in taste due to water exposure, and the seasoning and uniform physical properties of the seasoning greatly changed the original structure and flavor of the fish meat. It is in shape.
Fish meat drop is an intermediate material in the production of fish meat surimi. In other words, it is a fish itself with the head, internal organs, skin, and bones removed from the fish body, but because it is not exposed to water, it contains water-soluble proteins, water-soluble trace components, fat, and blood, and is required for paste products. In Japan, there was almost no chance of being used due to the difficulty of developing the “legs”. In addition, the lack of water retention and binding properties during processing is also a factor that prevents the use of lost fish meat.
On the other hand, the fish meat is the fish itself, leaving the structure and flavor of the fish meat, and considering the recent environmental problems, it is desirable from the viewpoint of effective use of resources to use it without surimi fish meat. Is.
The use of vegetable protein for fish meat loss is reported in Japanese Patent Application Laid-Open No. 56-68343 in combination with dry egg white, flour, and starch. It has been reported that it absorbs the water separation when the fallen body is heated.
In addition, methods for improving the meat quality of fish meat, as disclosed in JP-B-56-36905, JP-A-63-56269, JP-A-03-21854, and JP-A-05-103634, are disclosed in Japanese patent publications such as egg white, serum or plasma. By adding and mixing glutaminase and tyrosatin, the water retention and elasticity of fish meat has been improved, but the physical properties of surimi as raw material for salmon are used as evaluation criteria, and the original structure of fish meat has been lost.
On the other hand, soybean protein originally has functional properties such as water retention and gel-forming properties, but has a drawback that it is difficult to penetrate into muscle tissue. Therefore, as described in JP-A-9-313110 and JP-A-9-313111, soybeans with a low content of β-conglycinin obtained by selectively decomposing β-conglycinin in soybean protein by causing a protease to act on soybean protein. Although a technique to reduce viscosity by protein and improve penetration into meat tissue has been reported, it has only been reported for use in processed meat products and beverages represented by ham. No use has been reported.
[0004]
[Problems to be solved by the invention]
It is an object of the present invention to provide a method for producing a processed fish meat product with a sense of organization using a fish meat drop containing soybean protein solution.
[0005]
[Means for Solving the Problems]
As a result of diligent research to solve the above-mentioned problems, the present inventors kneaded soy protein into the fillet by allowing the soy protein solution having a low viscosity (eg, hydrolyzed soy protein solution) to penetrate into the fish meat mass. As a result, it was found that the soy protein can be impregnated into the fish mass more uniformly and uniformly, and the processed fish meat product can be produced without changing the taste of the fish meat. Furthermore, the present invention has been completed by finding that the quality (physical properties, flavor) of the fish meat mass is improved by gently mixing the soy protein solution and the fish meat mass.
That is, the present invention is a method for producing a processed fish meat product, wherein a low-viscosity soybean protein solution is permeated into the tissue of the fish meat mass in the production process of the processed fish meat product. In the present invention, the processed fish meat product is not completely kneaded but is suitable to leave a piece of fish tissue. The size of the remaining fish meat tissue is preferably 1 mm or more, more preferably 3 mm or more. The viscosity of the soy protein solution is preferably 10 to 200 mPa · s or less. The soy protein solution is preferably contained in the fish mass in an amount of 5 to 50%. The soybean protein is preferably 0.5 to 5% by weight in the processed fish meat as a dry solid. The soy protein used in the low viscosity soy protein solution is preferably hydrolyzed. The soybean protein used in the low-viscosity soybean protein solution is preferably a soybean protein with a low β-conglycinin content. In the mode of penetration, the soy protein solution and the fish meat mass are gently mixed to allow the soy protein solution to penetrate into the fish meat mass.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The manufacturing process of the processed fish meat product of the present invention comprises mixing a soy protein solution and a fish meat mass, sufficiently infiltrating the soy protein into the fish meat mass, and shaping the fish meat mass as it is, or performing a salting process, shaping it, and as it is Refrigeration can be performed with or without battering and subjected to a heating step.
The soy protein applied to the soy protein solution of the present invention is full-fat soy milk and defatted soy milk, concentrated soy protein, isolated soy protein, etc., preferably those without protein modification or mild protein modification, It is not limited to the variety and production area of raw soybeans. Generally, isolated soybean protein having a crude protein amount of 85% or more is suitable. Such soybean protein may be an oil-in-water emulsion or a dried product thereof.
The viscosity of the low-viscosity soybean protein solution of the present invention is 10 to 200 mPa · s, preferably 100 mPa · s or less. Viscosities in this range are suitable for allowing the soy protein solution to easily penetrate into the fish meat mass.
The viscosity of the soy protein solution can be reduced by adjusting the concentration of soy protein, but in order to allow a large amount of soy protein to penetrate into the fish meat mass as a solution, a soy protein solution with a concentration as high as possible is preferable. And it is preferable that the viscosity is low.
The soy protein used in such a low-viscosity soy protein solution is suitably hydrolyzed. It is preferable that hydrolysis is performed using an enzyme or the like so that the soy protein is hydrolyzed to such an extent that the gel-forming property is not lost. Usually, the ratio of 0.22 mol of trichloroacid-soluble nitrogen index to the nitrogen index of the raw material is 5%. The above is appropriate. A soybean protein used in the low viscosity soybean protein solution is suitably a soybean protein having a low β-conglycinin content. An example of a method for producing such a low β-conglycinin soybean protein is soybean protein described in JP-A-9-313111.
By using such a low-viscosity soy protein solution, 5 to 50% of the soy protein solution can be contained in the fish meat mass.
A normal soy protein solution that has not been hydrolyzed has a high viscosity, so that only about half of the above can be contained in the fish meat mass. When normal soy protein is made high, it does not penetrate into the fish meat mass and adheres to the surroundings, so the processed fish product is just like the fish meat mass bound with the soy protein binder and the processed fish meat product Will be different.
More specifically, when trying to infiltrate the fish mass with commercially available separated soy protein as a solution, the concentration that penetrates into the fish mass is at most a 4% by weight solution.
However, when soy protein having a low viscosity is used, even if the concentration of the soy protein solution is 10%, it is possible to penetrate into the fish meat mass. Accordingly, although it varies depending on the concentration of the soy protein solution, it is appropriate to contain 0.5 to 5% by weight of the dried soy protein in the processed fish meat product.
Conventional isolated soy protein could contain only about half this amount. The fish meat block used in the present invention is a fish meat lump, fillet, round, etc., which is not exposed to water, so it does not lose its umami taste, and is preferably a fish meat mass that retains the original taste of fish. For example, fish meat drop is also an intermediate material for producing fish meat surimi, and is fish meat from which the head, internal organs, skin, and bones have been removed from the fish body.
The fish used for the meat drop is for fish inhabiting the ocean, rivers and lakes, and used by walleye pollock, minamidara, itoyori, eso, kingfish, sardine, mackerel, horse mackerel, hoki, hake, flounder, bonito, salmon, etc. Is done.
The processed fish meat product thus obtained has an excellent protein balance and a good sensory evaluation of texture, flavor and appearance.
The processed fish meat product of the present invention is different from that obtained by homogenizing the fish meat using the sashimi by leaving a piece of fish meat tissue. As described above, the fish meat chunks such as the slimming and the thinning are different depending on whether they are exposed to water or whether they are homogenized and paste-like. Therefore, the processed fish meat product obtained is also different from the fish paste product using the sashimi and the fish meat product using the fish lump as in the present invention. That is, the processed fish meat product of the present invention is kneaded with a silent cutter or the like until the fish meat mass is homogenized, and has the original taste of fish as a homogenous fish meat product and has a firmness by soy protein, but is preferably homogeneous. A processed fish meat product that is kneaded with a silent cutter or the like at a stage before conversion into a fish lump so that it has a tissue is suitable.
The size of the fish piece tissue in the processed fish meat product of the present invention is usually 1 mm or more, preferably 3 mm or more, more preferably 5 mm or more.
In addition, it is appropriate that the soy protein solution permeates into the fish meat mass by mixing the soy protein solution and the fish meat mass so that the soy protein solution slowly permeates the fish meat mass.
As an example of mixing, instead of cutting at a high speed like a silent cutter, etc., it is a gentle mixing that does not break the fish meat block as much as possible with a device that has a mixing function such as cutter processing at low speed or a beater blade Is appropriate. In this way, a fish meat processed food, in other words, a processed fish meat food can be obtained.
Examples of the processed fish meat product obtained as described above include fried fish products, fish burgers, fish minceburg, fish hams, fish sausages, and the like.
Hereinafter, one embodiment of the present invention will be described more specifically with reference to a production example of processed fish products, but the order of adding raw materials and the like to be used is not particularly limited.
A method for producing a soy protein solution is illustrated.
In practicing the present invention, 0.5 to 15% soybean protein is first dissolved in water at 0 to 30 ° C., and other protein materials such as egg protein, milk protein, and sodium caseinate are dissolved as necessary. To do. Furthermore, saccharides, phosphates, pigments, seasonings, spices and salt can be dissolved, but the order of addition is not particularly limited. It is preferable to apply the prepared product to a melting facility that can be refined.
The solution obtained in this manner is preferably defoamed and then mixed with a fish sacrificial or fillet using a mixer and a silent cutter. At this time, in the mixer, paddles, arms, and ribbon blades are rotated at 1 to 20 revolutions per minute, and in the silent cutter, the knife is rotated at 10 to 500 revolutions per minute within a range of 1 to 10 minutes. Mix the liquid and the body so that it is not kneaded. At this time, the work may be performed under vacuum.
The fallen meat combined with the soy protein solution is molded as it is, or is subjected to a salting process at 0 to 10 ° C. for 1 to 36 hours, and is molded as it is or is subjected to battering and subjected to a heating process, or Freeze without applying. The processed fish meat product thus obtained has an excellent protein balance and a good sensory evaluation of texture, flavor and appearance.
[0007]
【Example】
Hereinafter, embodiments of the present invention will be described specifically by way of examples. However, the technical scope of the present invention is not limited to these examples.
Example 1
A processed fish meat product was prepared with the formulation (% by weight) shown in Table 1 below. Itoyori fallen body is Thai domestic Kantang Co. The product made by LTD was used. For comparative product 1, only the slaughtered meat was used, and salt and water were mixed with a mixer (KENMIX). Each lost body had a fibrous structure of 68 mm or more. The mixing conditions were 30 rpm with a beater blade for 3 minutes. In Comparative Example 2, separated soybean protein (trademark Sun Rubber 20 manufactured by Fuji Oil Co., Ltd.) that has not been hydrolyzed into the lobster is used at a speed of 6000 rpm with a dissolving machine (HOMOMIXER MARK2 manufactured by Tokushu Kika Kogyo Co., Ltd.). Dissolved in part, prepared into a solution, and mixed with the fallen meat by the same mixing method as in Comparative Example 1. This prototype was prepared in the same manner as Comparative Example 1 using a separated soybean protein (trademark Sun Rubber 70 manufactured by Fuji Oil Co., Ltd.) obtained by selectively hydrolyzing β-conglycinin. All prepared meat mixtures were 80% moisture. The size of the lost body was an average of about 10 to 100 mm. The prepared meat mixture was filled into a vinylidene chloride casing (65 mm diameter, manufactured by Kureha Chemical Co., Ltd.), boiled at 90 ° C. for 1 hour, and cooled to obtain a processed fish meat product.
Figure 0003674384
The obtained processed fish meat product was peeled from the casing, and the water separation rate at the time of peeling was expressed as a percentage of the weight of the meat mixture before heating to obtain the water separation rate. The results are shown in Table 2.
Figure 0003674384
From the results in Table 2, it was found that the present invention example and Comparative Example 2 were superior in water retention compared to Comparative Example 1.
The physical property test of the obtained processed fish meat was performed. The processed fish meat product was cut into a thickness of 20 mm, and a texture analyzer TAX2 (manufactured by Stable Micro System) was used to enter a 5 mmφ spherical shape as a plunger up to 10 mm at a speed of 1 mm / sec. The results are shown in FIG. As is clear from FIG. 1, it was confirmed that the load value on the vertical axis of the present invention example was significantly higher than those of Comparative Examples 1 and 2. In Comparative Example 2, the load value on the vertical axis was slightly higher than that of Comparative Example 1.
Next, the physical properties of the obtained processed fish meat were counted and evaluated. Cut the processed fish meat to 10mm thickness and use texture analyzer TAXT2 (Stable Micro System) to make a 16mmφ cylindrical plunger as a plunger and repeat the approach twice to 8mm at a speed of 5mm / sec. , Gum properties were sought. The results are shown in FIG. As is clear from FIG. 2, it can be seen that the inventive example has higher hardness and gum count values than Comparative Examples 1 and 2. From this, TPA analysis different from jelly strength analysis counts the hardness and texture of texture different from “foot”. From this viewpoint, the present invention example is comparative example 1 comparative example 2 It was confirmed that there was a chewing response and a sense of organization.
Sensory evaluation of the quality of the processed fish meat product was performed. Good quality is indicated by ○, slightly inferior by Δ, and inferior by ×. The results are shown in Table 3 below.
Figure 0003674384
As is clear from the above results, it was confirmed that the hydrolyzed separated soybean protein had an effect of improving the physical properties of the slaughtered meat.
Example 2
A processed fish meat product was prepared with the composition (% by weight) shown in Table 4 below. Kinmedai drop is made in Thailand, Kantang Co. The product made by LTD was used. In the comparative example, only the kimedai dropper was used and mixed with the solution with a vacuum cutter (VK-020 manufactured by Higashimotokikai Co., Ltd.). For mixing conditions, knife rotation was performed at 200 rpm for 2 minutes. In the comparative example, saccharides and vegetable oils and fats were dissolved in kimme daikon sashimi for 10 minutes at 6000 rpm with a dissolver (TK HOMOMIXER MARK2 manufactured by Tokushu Kika Kogyo Co., Ltd.) and mixed with the sashimi. . This prototype was prepared in the same manner as in Comparative Example 1 using hydrolyzed separated soy protein (trade name Sun Rubber 70 manufactured by Fuji Oil Co., Ltd.). The size of the lost body was an average of about 2 to 20 mm. The prepared meat mixture was formed into a 25 g square shape with a molding machine (CF-10 manufactured by Nippon Carrier Kogyo Co., Ltd.), battered with bread powder, and processed into a fish meat processed product at 180 ° C. for 3 minutes.
Figure 0003674384
Sensory evaluation of the quality of the processed fish meat product was performed. Good quality is indicated by ○, and poor quality is indicated by ×. The results are shown in Table 5 below.
Figure 0003674384
As is clear from the above results, it was confirmed that the hydrolyzed separated soybean protein has an effect of improving the physical properties of the dropper.
[0008]
【The invention's effect】
According to the present invention, it is possible to produce a processed fish meat product with a sense of organization by infiltrating a soybean protein solution into a fish meat mass such as sashimi that has inferior binding properties such as sashimi but has the taste of fish It is.
[Brief description of the drawings]
[FIG. 1] is a drawing showing viscoelasticity measurement of processed fish meat obtained in Example 1. FIG.
FIG. 2 is a drawing showing a TPA analysis of a processed fish meat product obtained in Example 1. FIG.

Claims (7)

魚肉加工品の製造工程において低粘度(10〜200 mPa s の大豆たん白溶液を魚肉塊の組織内に浸透させることを特徴とする魚肉片組織を残した魚肉加工品の製造法。A method for producing a processed fish meat product, which leaves a piece of fish meat tissue, wherein a soybean protein solution having a low viscosity (10 to 200 mPa · s ) is permeated into a fish lump tissue in a process for producing a processed fish meat product. 残存する魚肉片組織の大きさが1mm以上である請求項1の製造法。The method according to claim 1, wherein the size of the remaining fish piece tissue is 1 mm or more. 大豆蛋白溶液が魚肉塊中に5〜50重量%含まれる請求項1または請求項2の製造法。The process according to claim 1 or 2 , wherein the soy protein solution is contained in the fish mass in an amount of 5 to 50% by weight. 大豆たん白が乾燥固形分として魚肉加工品中0.5〜5重量%である請求項1〜請求項のいずれかの製造法。The production method according to any one of claims 1 to 3 , wherein the soybean protein is 0.5 to 5% by weight in the processed fish meat product as a dry solid content. 低粘度(10〜200 mPa s の大豆たん白溶液に用いる大豆蛋白が加水分解されている請求項1〜請求項のいずれかの製造法。The method according to any one of claims 1 to 4 , wherein the soybean protein used in the soybean protein solution having a low viscosity (10 to 200 mPa · s ) is hydrolyzed. 低粘度(10〜200 mPa s の大豆たん白溶液に用いる大豆たん白がβ−コングリシニン低含量大豆たん白である請求項1〜請求項のいずれかの製造法。The method according to any one of claims 1 to 5 , wherein the soybean protein used in the soybean protein solution having a low viscosity (10 to 200 mPa · s ) is a soybean protein having a low β-conglycinin content. 浸透させる態様が大豆蛋白溶液と魚肉塊を緩やかに混合し、浸透させることにより行う請求項1〜請求項のいずれかの製造法。The production method according to any one of claims 1 to 6 , wherein the soaking is carried out by gently mixing and soaking the soy protein solution and the fish meat mass.
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