JP7182630B2 - 二重エマルジョン - Google Patents
二重エマルジョン Download PDFInfo
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- JP7182630B2 JP7182630B2 JP2020528308A JP2020528308A JP7182630B2 JP 7182630 B2 JP7182630 B2 JP 7182630B2 JP 2020528308 A JP2020528308 A JP 2020528308A JP 2020528308 A JP2020528308 A JP 2020528308A JP 7182630 B2 JP7182630 B2 JP 7182630B2
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Description
単一のエマルジョンは、1つの相の液滴が他の相全体に分散されている、2つの非混和性相の安定な混合物を含む組成物である。単一のエマルジョンの典型的な例としては、油中水型(W/O)エマルジョンおよびO/Wエマルジョンが挙げられる。
(i) 10~約80重量%の間の脂質相、より好ましくは15~75重量%の間、最も好ましくは20~70重量%の間の脂質相であって、上記脂質相は水滴を含み、この脂質相内の含水量(W1)は、1~約50重量%、より好ましくは5~40重量%、最も好ましくは10~30重量%であり、ここで水滴は、乳化剤組成物を用いて脂質相の内部で安定化されており、上記脂質相は、液滴として水相内に分散されており、必要に応じて、上記脂質相は、第2の乳化剤によって水相内で安定化されており、この重量%は、二重エマルジョンの総重量に対して計算される、脂質相;
(ii)10~99.9重量%の水相(W2)、好ましくは20重量%~90重量%;最も好ましくは30重量%~80重量%の水相;
(iii)エマルジョンの総重量に基づいて、0.05~約10重量%、好ましくは0.20~5重量%、最も好ましくは0.4~3重量%の乳化剤組成物;
(iv)エマルジョンの総重量に基づいて、0.01~約10重量%、好ましくは0.05~5重量%、最も好ましくは0.1~3重量%の第2の乳化剤;及び
(v)必要に応じて甘味料、タンパク質、味覚及び香味成分、ビタミン、着色剤、抗酸化剤、増量剤、固体構造剤、粘度調整剤を100重量%までの濃度で添加。
(a)以下を接触させること:
(i)本発明に従って使用される乳化剤組成物を含む脂質相、
と
(ii)第1の水相(W1);及び
(b)脂質相が連続相を提供し、第1の水相(W1)が脂質相の内部に複数の水滴として分散している予備エマルジョンを形成すること;
(c)必要に応じて、予備エマルジョンを均質化処理にかけて、上記脂質相内部の複数の水滴のサイズを小さくすること;
(d)必要に応じて第2の乳化剤を含む、第2の水相(W2)を提供すること;
(e)予備エマルジョンを第2の水相(W2)と混合して、脂質相を上記第2の水相(W2)内に分散させること;及び
(f)ステップe)の混合物を均質化処理にかけて、本発明のエマルジョンを生成すること。
(a)以下の接触により組成物を形成すること:
(i)本発明に従って使用される乳化剤組成物を含む脂質相、
と
(ii)水相;及び
ここで、この脂質相は水相から分離された相であること、
(b)ローター-ステーターミキサーを使用して組成物に剪断処理を施すことであって、 ここでミキサーのローターが水相の内側に配置され、この混合速度が水相に分散された脂質相の液滴を得るのに十分な剪断速度を提供するように調整され、ここで上記脂質小滴が、好ましくは最大で300μm、より好ましくは最大で200μm、最も好ましくは最大で100μmのD4,3を有すること。
●水滴サイズ測定(D4,3)は、23.4MHzの周波数で動作する低分解能NMR、Maran Ultra分光計(Oxford Instruments,UK)で実行される。約2.5グラムの試料を外径18mmのガラスNMRチューブ(Oxford Instruments,UK)に充填し、その正確な質量を注意深く記録した。使用した封入水相(D)の自由自己拡散係数を、勾配強度(G)及び拡散遅延(Δ)定数はそれぞれ0.14T/m及び200msで維持しながら、0.05~2.75msの10段階で勾配期間(δ)を変化させるDSDスクリプト(Oxford Instruments,UK)を使用して測定した。封入水相の自由自己拡散係数は3回測定し、1.202±0.014*10-9m2/sに等しかった。
(i)封入水相(0.2Mグルコース及び0.02重量%NaN3);
(ii)外部水相(0.2Mグルコース中2重量%WPI及び0.02重量%NaN3)
(iii)Na-Caseinate(0.2Mグルコース中の2重量%Na-Caseinate及び0.02重量%NaN3)を含む等張液
(iv)低張液(脱イオン水)
(v)高張液(0.4Mグルコース)。1、5、10、15、30、60分後にこの混合物から試料を採取し、10000gで1分間遠心分離して、クリーム相と血清相に分離した。
図1は、ECが封入水の体積分率に大きな影響を与えたことを明らかにしている。実際、ECを使用した場合、5℃での30日間の保管中に、封入水の体積分率は、1日あたり0.00±0.00%で減少するが、1日あたり0.17±0.02%及び1日あたり0.37±0.05%での減少が、それぞれ市販のレシチンについて計算される。従って、ECを使用すると、最高の保存安定性に到達できたが、ヒマワリレシチンを使用している間、保存安定性は非常に低かった。最後に、ダイズレシチンを使用して、中間の安定性が得られた。ヒマワリレシチンを使用して調製され、5℃で30日間保存されたW/O/Wエマルジョンの挿入顕微鏡画像に見られるように、これらのエマルジョンには封入水がほとんどない(図1)。
Claims (10)
- 脂質相(O)と水相(W2)とを含む水中油中水型(W1/O/W2)エマルジョンであって、前記脂質相が水相内に分布しており、ここで前記脂質相は複数の水滴(W1)を含み、ここで、前記脂質相内部の含水量は、前記脂質相の総重量に対して10重量%~80重量%であり、ここで前記水滴は、乳化剤組成物によって前記脂質相内部で安定化されており、ここで、前記乳化剤組成物は、ホスファチジルコリン(PC)、ホスファチジルイノシトール(PI)、ホスファチジルエタノールアミン(PE)及びホスファチジン酸(PA)を含むアセトン不溶性(AI)成分を含み、ここでPCは、前記乳化剤組成物の総重量に対して最大15.5%の量であり、かつここで前記乳化剤組成物は、最大65%のリン脂質重量比Rを特徴とし、前記比Rは式1に従って定義され:
、ここで、PC+PI+PE+PAは、前記AI成分のそれぞれの構成要素の個々の重量の合計であり、AIはAI成分の総重量である、前記エマルジョン。 - Rが30%~63%である、請求項1に記載のエマルジョン。
- 前記乳化剤組成物の量が、前記エマルジョンの総重量に基づいて少なくとも0.1重量%である、請求項1または2に記載のエマルジョン。
- 前記脂質相が、パーム油、アボカド油、マスタード油、亜麻仁油、ブドウ油、ピーナッツ油、ココナッツ油、オリーブ油、アザミ油、グレープカーネルオイル、ゴマ油、ダイズ油、ヒマワリ油、亜麻仁油、綿実油、菜種油、低エルカ酸菜種油(キャノーラ)、コーン油、米油、ベニバナ油、カポック油、ゴマ油、月見草油、魚油、及び鯨油(クジラ油)、ならびにそれらの混合物からなる群より選択される液体脂肪または液体油を含む、請求項1~3のいずれか1項に記載のエマルジョン。
- 前記脂質相の量が、前記エマルジョンの総重量に対して最大で90重量%である、請求項1~4のいずれか1項に記載のエマルジョン。
- 前記脂質相が、最大300μmの平均直径D4,3を特徴とするサイズ分布を有する脂質小滴の形態である、請求項1~5のいずれか1項に記載のエマルジョン。
- 前記水滴(W1)が、前記水滴を含む前記脂質液滴の容積の少なくとも10%の平均合計容積を有する、請求項1~6のいずれか1項に記載のエマルジョン。
- 前記水滴(W1)が、最大で30μmの平均直径D4,3によって特徴付けられるサイズ分布を有する、請求項1~7のいずれか1項に記載のエマルジョン。
- 1つ以上の粘度調整剤をさらに含む、請求項1~8のいずれか1項に記載のエマルジョン。
- 請求項1~9のいずれか1項に記載のエマルジョンを含む、食品、飼料、パーソナルケア製品または医薬製品。
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JP2016503439A (ja) | 2012-10-24 | 2016-02-04 | カーギル インコーポレイテッド | リン脂質の含有材料からの画分化方法 |
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JP2016501709A (ja) | 2012-10-24 | 2016-01-21 | カーギル インコーポレイテッド | リン脂質含有乳化剤組成物 |
JP2016503439A (ja) | 2012-10-24 | 2016-02-04 | カーギル インコーポレイテッド | リン脂質の含有材料からの画分化方法 |
JP2018508222A (ja) | 2015-03-18 | 2018-03-29 | カーギル インコーポレイテッド | 低脂肪油中水エマルション |
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RU2020118504A (ru) | 2021-12-06 |
CA3083208A1 (en) | 2019-05-31 |
RU2020118504A3 (ja) | 2022-03-05 |
JP2021504111A (ja) | 2021-02-15 |
AU2018372804A1 (en) | 2020-06-18 |
US11968993B2 (en) | 2024-04-30 |
EP3716774A1 (en) | 2020-10-07 |
AU2018372804B2 (en) | 2024-07-11 |
US20200375210A1 (en) | 2020-12-03 |
BR112020010206A2 (pt) | 2020-11-10 |
WO2019103903A1 (en) | 2019-05-31 |
CN111372462A (zh) | 2020-07-03 |
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