JP3552856B2 - Nourishing composition - Google Patents

Nourishing composition Download PDF

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Publication number
JP3552856B2
JP3552856B2 JP25697896A JP25697896A JP3552856B2 JP 3552856 B2 JP3552856 B2 JP 3552856B2 JP 25697896 A JP25697896 A JP 25697896A JP 25697896 A JP25697896 A JP 25697896A JP 3552856 B2 JP3552856 B2 JP 3552856B2
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composition
milk
weight
oil
lactoferrin
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JPH1099048A (en
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浩 川上
正 井戸田
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Snow Brand Milk Products Co Ltd
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Snow Brand Milk Products Co Ltd
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  • Dairy Products (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、タウリン、アルギニン、コレステロール、リン脂質、ドコサヘキサエン酸、アラキドン酸、シアリルオリゴ糖、β−カロチン、及びα−トコフェロールを特定の比率で含有することを特徴とする、栄養強化組成物に関する。さらに、前期組成物に免疫グロブリン及びラクトフェリンを含有することを特徴とする、栄養強化組成物に関する。本発明の栄養強化組成物は、栄養学的に優れ且つ簡便に用いられるものであり、容量を適時変えながら乳児用調製乳に添加することによって、母乳に近い成分変化が人工栄養で実現でき、従来単一組成であった人工栄養の欠点を解消することができる。
【0002】
【従来の技術】
現在市販されている乳児用調製粉乳は、出生直後から9カ月頃までの成熟児を対象に使用されている。したがって、出生直後の新生児も、体重が10kgに近い9カ月児も、哺乳量が異なるために摂取量には変化があるものの、同じ組成(成分)の乳児用調製粉乳を飲んでいることになる。しかしながら、母乳は分娩直後に分泌される初乳(分娩後〜5日)と、その後の移行乳(6〜14日)、及び15日目以降の成熟乳で、含まれる成分の含量だけでなく、その種類も大きく異なることが知られている。
このような中、ヨーロッパでは乳児の月齢をいくつかの区分に分け、それぞれの月齢に適した成分を含む粉乳が市販されている。たとえば、スウエーデンでは、出生後〜1カ月、2カ月〜3カ月、4カ月〜5カ月、6カ月〜7カ月、8カ月以降で使用月齢を限定した粉乳が使用されている。しかしながら、それぞれの粉乳に含まれる成分の違いは、蛋白質とミネラルの含量だけであり、各泌乳期ごとの母乳に特徴的に含まれる個々の成分(たとえば、免疫グロブリン・ラクトフェリン・シアリルオリゴ糖・β− カロチンなど)の量や種類を調整したものではない。
又、従来から低出生体重児を対象に、母乳成分を補うことを目的とした母乳強化剤(Human milk fortifier)という栄養強化組成物が市販されている。しかしながら、この栄養強化組成物は、低出生体重児が必要とする栄養素(蛋白質及びミネラル)の量が母乳だけでは不足することから、母乳のもつ利点を生かしながら、母乳に不足する蛋白質とミネラル成分だけを強化したものであり、使用対象を低出生体重児に限定している。すなわち、蛋白質としては、通常の乳児用調製粉乳には十分含まれる牛乳蛋白質(カゼイン及び乳清蛋白質)を強化しているだけで、ミネラル成分としては、ナトリウム、カルシウム、リン、マグネシウム、鉄などを強化しているだけである。
【0003】
【発明が解決しようとする課題】
本発明者らは、上述の状況に鑑み、各泌乳期ごとの母乳に特徴的に含まれる免疫グロブリン、ラクトフェリン、シアリルオリゴ糖、β−カロチンなどの個々の成分を含む成分濃縮強化物を鋭意研究した結果、蛋白質やミネラルの含量だけを変えるのではなく、これら個々の成分を特定の量で配合することにより、栄養学的に優れ、且つ簡便に用いられる栄養強化組成物を見出した。よって本発明は、容量を適時変えながら乳児用調製粉乳に添加することによって、母乳に近い成分変化が人工栄養で実現でき、従来単一組成であった人工栄養の欠点を解消することができる栄養強化組成物を提供することを課題とする。
【0004】
【解決するための手段】
本発明は、タウリン、アルギニン、コレステロール、リン脂質、ドコサヘキサエン酸、アラキドン酸、シアリルオリゴ糖、β−カロチン、及びα−トコフェロールを特定の比率で含有することを特徴とする栄養強化組成物、さらに免疫グロブリン及びラクトフェリンを含有することを特徴とする、栄養強化組成物に関する。
【0005】
【発明の実施の形態】
本発明栄養強化組成物は、組成物の乾燥重量100gに対しタウリン0. 02〜2g、アルギニン0. 2〜20g、コレステロール0. 1〜10g、リン脂質0. 1〜10g、ドコサヘキサエン酸0. 2〜20g、アラキドン酸0. 1〜10g、シアリルオリゴ糖0. 05〜20g、β− カロチン0. 001〜0. 1g及びα− トコフェロール0. 01〜1gを含む。又、感染症の予防のような生体防御機能を高めるために、前記栄養強化組成物100gに対し、免疫グロブリン0. 3〜30g及びラクトフェリン0. 7〜70gを加えてもよい。この栄養強化組成物を通常の育粉調乳液100mlあたり、出生後〜2週目には0. 1〜10g、2週〜1カ月には0. 02〜2g、1カ月〜2カ月には0. 01〜1gというように、添加量を適時変えながら加えることによって、母乳に近い成分変化が人工栄養でも実現できる。
又、この栄養強化組成物は液状で利用してもよく、その場合には− 20℃で凍結保存することが望ましい。液状栄養強化組成物100ml当たり、タウリン0. 005〜0. 5g、アルギニン0. 05〜5g、コレステロール0. 01〜1g、リン脂質0. 01〜1g、ドコサヘキサエン酸0. 05〜5g、アラキドン酸0. 01〜1g、シアリルオリゴ糖0. 01〜5g、β− カロチン0. 05〜5mg、及びα− トコフェロール0. 001〜0. 1gが含まれる。又、この液状栄養強化組成物に、100mlあたり免疫グロブリン0. 02〜5g及びラクトフェリン0. 05〜10gを加えてもよい。これらの場合、液状栄養強化組成物は、通常の乳児用調製粉乳の調乳液100mlあたり、出生後〜2週目には10〜5ml、2週〜1カ月には5〜3ml、1カ月〜2カ月には3〜1mlというように、容量を適時変えながら添加することによって、母乳に近い成分変化が人工栄養でも実現できるようになる。
【0006】
さらに、本発明における栄養強化組成物には、乳児にとって重要な成分であるビタミン類(A 、B1、B2、B6、B12 、C 、D 、K 、葉酸、ニコチン酸、パントテン酸、ビオチン、イノシトール、コリンなど)、ポリアミン類(スペルミン、スペルミジンなど)、核酸類(ヌクレオシド、ヌクレオチド、DNA 、RNA など)、ミネラル類(カルシウム、マグネシウム、ナトリウム、カリウム、銅、鉄、亜鉛、イオウ、セレン、ヨウ素、塩素、リンなど)、有機酸類(クエン酸、プロピオン酸、酢酸、乳酸、ピルビン酸など)、酵素類(リゾチーム、ラクトパーオキシダーゼ、リパーゼなど)を適時添加することもできる。
このような栄養強化組成物を用いることによって、従来単一組成であった人工栄養の欠点を解消できる。又、泌乳期ごとに異なる濃度の成分を含む人工乳を摂取することによって、乳児の未熟な代謝機能に過度の負荷をかけないばかりか、生体防御機能のある成分(免疫グロブリン、ラクトフェリン)も添加することによって、免疫力の弱い出生直後の新生児をさまざまな感染から守ることもできる。
【0007】
本発明による乳児用調製乳用強化物を構成する成分は、市販されている素材、あるいは食品として使用できるものであれば、特にその由来は限定されない。例えば、免疫グロブリンとしては、ウシ初乳粉末、あるいは牛乳、ヤギ乳、人乳などの初乳を脱脂した後に、分画分子量100,000 の限外ろ過膜(UF膜)で濃縮することにより、免疫グロブリン素材を調製することができる。又、妊娠中の動物に特定の抗原を免疫し、出産後に分泌される特定の抗原に対する抗体を含有する免疫乳を脱脂し、同様の方法で調製した濃縮乳を免疫グロブリン素材として用いることもできる。ラクトフェリンとしては、特開昭63−255300 号の方法などに準じ、牛乳、ヤギ乳、あるいは人乳などの脱脂乳を硫酸化した不溶性の担体(硫酸化セルロファインなど)に通液し、特異的に吸着したラクトフェリンを、高イオン強度の溶離液で回収して調製する、あるいは、ヒトラクトフェリンの遺伝子を組み込んだ酵母・担子菌・大腸菌などの微生物(Biotechnology, vol.13, p498,(1995))が産生する組換え型ヒトラクトフェリンを用いることができ、これらは市販されている。タウリンとしては、特開昭59−73561号の方法などに準じ、タコ、イカ、アコヤガイなどの魚介類を煮た煮汁から、活性炭、イオン交換樹脂などを用いて精製する、あるいは、ウシやブタなどの胆汁を加水分解して調製することができ、これらは天然食品添加物として市販されている。アルギニンとしては、例えばゼラチンを加水分解して得ることができ、これは天然食品添加物として市販されている。コレステロールとしては、卵黄、バターオイル、魚油、羊毛ロウ(ラノリン)などから精製したものが用いられ、これらは市販されている。リン脂質としては、大豆、卵黄、牛乳などから精製したレシチンなどが用いられ、これらは市販されている。ドコサヘキサエン酸としては、カツオやマグロなどの魚油や、藻油などを用いることができる。アラキドン酸としては、卵黄、魚、藻などの油を原料油脂として用いることができ、これらはアラキドン酸素材として市販されている。シアリルオリゴ糖としては、特開昭59−184197 号の方法などに準じ、牛乳や動物臓器から調製したシアル酸結合オリゴ糖を用いることができる。β−カロチンとしては、パーム油、にんじん、マンゴー、あんずなどの植物から抽出したものが用いられ、これらは天然食品添加物として市販されている。α−トコフェロールとしては、大豆油、綿実油、コーン油、小麦胚芽油、米ぬか油などを原料に精製したものが用いられ、これらは天然食品添加物として市販されている。
【0008】
【実施例】
以下の実施例をもって本発明をより詳細に説明するが、これらは単に例示するのみであり、本発明はこれらによって何ら限定されるものではない。
【0009】
【実施例1】
免疫グロブリンの調製
ウシ初乳10Lを遠心分離(3,000 x G 、10 min、5℃)により脱脂した後、分画分子量100,000の膜を設置した限外ろ過装置ダイアフローホローファイバーシステムDC10L(アミコン社)で10倍に濃縮し、濃縮液を凍結乾燥して免疫グロブリン500gを得た。
【0010】
【実施例2】
ラクトフェリンの調製
脱脂乳200Lを硫酸化セルロファイン(富士紡績社)を充填したカラム(4cm x 30cm )に通液し、特異的に吸着したラクトフェリンを、1M食塩水で溶出させて分離した。溶出液を電気透析装置TS−2−10(TOKUYAMA)で脱塩した後、凍結乾燥してラクトフェリン40gを得た。
【0011】
【実施例3】
シアリルオリゴ糖の調製
チーズ製造時に得られたホエイ800Lを、分画分子量10, 000の膜を設置した限外ろ過装置UF−1−LAB(Filtration Engineering社)で処理し、透過液を回収した。透過液を5℃で冷却して沈殿物を除去した後、上清液を陰イオン交換樹脂Dowex 1 x 4 酢酸型(15cm x 50cm)に通液してシアリルオリゴ糖を吸着させ、1M酢酸ナトリウム溶液で溶出させて回収した。溶出液を電気透析装置TS−2−10(TOKUYAMA)で脱塩した後、シアリルオリゴ糖80gを得た。
【0012】
【実施例4】
栄養強化組成物の製造・1
タウリン(田辺製薬社)5g、アルギニン(協和発酵社)50g、及び実施例3で調製したシアリルオリゴ糖60gを50℃の温水1Lに溶解した。一方、コレステロール(吉川製油社)30g、30%DHA 含有カツオ油(マルハ社)170g、25% アラキドン酸含有油脂( SUN−TGA25、サントリー社)80g、30%β−カロチン含有パーム油カロチン(ライオン社)0. 2g、40% α−トコフェロール含有理研Eオイル(理研ビタミン社)2. 5gを混合して50℃に加温した調合油に、90% リン脂質含有レシオン P(理研ビタミン社)22gを加えた後、先に調製したアミノ酸溶液とともに均質化させた。この均質化液を Pulvis Spray Dryer Model GB−21 (YAMATO)で噴霧乾燥し、乳児用調製乳栄養強化組成物粉末400gを得た。得られた組成物の成分組成を、表1に示す。
【0013】
【表1】

Figure 0003552856
【0014】
【実施例5】
栄養強化組成物の製造・2
初乳粉末(日本プロテン社)2kg、ラクトフェリン(日本プロテン社)5kg、タウリン(田辺製薬社)5g、アルギニン(協和発酵社)50g、及び実施例3で調製したシアリルオリゴ糖8gを50℃の温水45kgに溶解してタンパク質溶液を調製した。一方、コレステロール(吉川製油社)30g、30%DHA 含有カツオ油(マルハ社)170g、25%アラキドン酸含有油脂( SUN−TGA25、サントリー社)80g、30%β−カロチン含有パーム油カロチン(ライオン社)0. 2g、及び40%α−トコフェロール含有理研Eオイル(理研ビタミン社)2. 5gを混合して50℃に加温した調合油脂に、90%リン脂質含有レシオンP(理研ビタミン社)22gを加えて十分混ぜた後、先に調製したタンパク質溶液と合わせて均質化させた。この均質化液をスプレードライヤーで噴霧乾燥し、育児粉乳用栄養強化組成物粉末7. 3kgを得た。得られた組成物の成分組成を、表2に示す。
【0015】
【表2】
Figure 0003552856
【0016】
【実施例6】
栄養強化組成物の製造・3
実施例1で得た免疫グロブリン粉末23g、実施例2で得たラクトフェリン50g、実施例3で調製したシアリルオリゴ糖10g、及びタウリン(田辺製薬社)0. 2g、アルギニン(協和発酵社)4gを50℃の温水900mlに溶解してタンパク質溶液を調製した。一方、コレステロール(吉川製油社)3g、30%DHA 含有カツオ油(マルハ社)14g、25% アラキドン酸含有油脂( SUN−TGA25、サントリー社)8g、30%β− カロチン含有パーム油カロチン(ライオン社)10mg、及び40%α−トコフェロール含有理研Eオイル(理研ビタミン社)0. 28gを混合して50℃に加温した調合油脂に、90%リン脂質含有レシオンP(理研ビタミン社)1. 2gを加えて十分混ぜた後、先に調製したタンパク質溶液と合わせて均質化させ、栄養強化組成物1Lを得た。栄養強化組成物は、10mlずつ分注した後、−20℃で凍結保存した。得られた組成物の成分組成を、表3に示す。
【0017】
【表3】
Figure 0003552856
【0018】
【実施例7】
本発明栄養強化組成物の効果
ヒト母乳の泌乳期の成分変化、及び実施例6で得られた本発明栄養強化組成物を一般的な育児用粉乳に添加した時の各成分の変化を、表4に示す。この結果より、本発明栄養強化組成物を用いることにより、一般に市販されている乳児用調製乳を、簡便に母乳の成分変化に合わせて成分を変化することができることが確認された。
【0019】
【表4】
Figure 0003552856
【0020】
【発明の効果】
本発明により、タウリン、アルギニン、コレステロール、リン脂質、ドコサヘキサエン酸、アラキドン酸、シアリルオリゴ糖、β−カロチン、及びα−トコフェロールを特定の比率で含有する、栄養強化組成物が提供される。さらに、免疫グロブリン及びラクトフェリンを含有する、栄養強化組成物が提供される。本発明栄養強化組成物は、栄養学的に優れ且つ簡便に用いられるものであり、容量を適時変えながら乳児用調製乳に添加することにより、泌乳期ごとに異なる濃度の成分を含む人工乳が簡便に調製でき、乳児の未熟な代謝機能に過度の負荷をかけないばかりか、免疫グロブリン、ラクトフェリンなど生体防御機能のある成分をさらに添加することによって、免疫力の弱い出生直後の新生児をさまざまな感染から守ることができる。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a fortifying composition comprising taurine, arginine, cholesterol, phospholipid, docosahexaenoic acid, arachidonic acid, sialyl oligosaccharide, β-carotene, and α-tocopherol in a specific ratio. Furthermore, the present invention relates to a fortified composition, characterized in that the composition comprises immunoglobulin and lactoferrin. The nutritional enrichment composition of the present invention is nutritionally excellent and is used simply, and by adding to infant formula while changing the volume as appropriate, a component change close to breast milk can be realized by artificial nutrition, The disadvantage of artificial nutrition, which was conventionally a single composition, can be eliminated.
[0002]
[Prior art]
Currently available infant formulas are used for mature babies from birth to about 9 months. Therefore, both newborns immediately after birth and 9-month-old infants weighing close to 10 kg drink infant formulas of the same composition (ingredients), although their intakes vary due to different feeding amounts. . However, breast milk consists of colostrum secreted immediately after parturition ((5 days after parturition), subsequent transitional milk (6-14 days), and mature milk after 15 days. It is known that their types are also greatly different.
Under such circumstances, infants' ages are divided into several categories in Europe, and milk powders containing components suitable for each age are commercially available. For example, in Sweden, milk powder whose use age is limited after birth to 1 month, 2 months to 3 months, 4 months to 5 months, 6 months to 7 months, and 8 months or more is used. However, the only difference between the components contained in each milk powder is the protein and mineral content, and the individual components (eg, immunoglobulin, lactoferrin, sialyl oligosaccharide, β − Carotene) is not adjusted for quantity or type.
In addition, a nutritionally enriched composition called a human milk fortifier for supplementing breast milk components has been conventionally marketed for low birth weight infants. However, since the nutritionally enriched composition lacks the amount of nutrients (proteins and minerals) required by low birth weight infants with breast milk alone, it takes advantage of the advantages of breast milk while maintaining the protein and mineral components lacking in breast milk. Only for use with low birth weight infants. That is, as a protein, only milk protein (casein and whey protein) sufficiently contained in normal infant formula is fortified, and as a mineral component, sodium, calcium, phosphorus, magnesium, iron and the like are included. It is just strengthening.
[0003]
[Problems to be solved by the invention]
In view of the above situation, the present inventors have intensively studied an enriched component concentrate containing individual components such as immunoglobulins, lactoferrin, sialyl oligosaccharides, and β-carotene characteristically contained in breast milk for each lactation period. As a result, the present inventors have found a nutritionally enriched composition that is nutritionally superior and can be easily used by mixing these individual components in specific amounts, instead of changing only the contents of proteins and minerals. Therefore, the present invention, by adding to the infant formula while changing the volume timely, the component change close to the mother milk can be realized by artificial nutrition, nutrition that can eliminate the disadvantages of artificial nutrition that was conventionally a single composition It is an object to provide a reinforcing composition.
[0004]
[Means to Solve]
The present invention provides a nutritionally enriched composition comprising taurine, arginine, cholesterol, phospholipid, docosahexaenoic acid, arachidonic acid, sialyl oligosaccharide, β-carotene, and α-tocopherol in a specific ratio, further comprising a immunity enhancing composition. The present invention relates to a fortifying composition comprising globulin and lactoferrin.
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION
The nutritional enrichment composition of the present invention contains 0.1 g of taurine per 100 g of dry weight of the composition. 02-2 g, arginine 0. 2-20 g, cholesterol 0. 1 to 10 g, phospholipid 0. 1 to 10 g, docosahexaenoic acid 0.1 g 2-20 g, arachidonic acid 0.1 g 1 to 10 g, sialyl oligosaccharide 0. 05-20 g, β-carotene. 001-0. 1 g and α-tocopherol 0. 01-1 g. Also, in order to enhance the biological defense function such as prevention of infectious diseases, 100 g of the fortified composition is added to 0.1 g of immunoglobulin. 3 to 30 g and lactoferrin 0.1. 7-70 g may be added. The nutritionally enriched composition is used in an amount of 0.1 to 2 weeks after birth per 100 ml of a normal powdered milk preparation. 1 to 10 g, 0 to 2 weeks to 1 month. 02 to 2 g, 0 to 1 month to 2 months. By changing the amount of addition such as from 01 to 1 g as appropriate, a component change close to that of breast milk can be realized by artificial nutrition.
The fortified composition may be used in the form of a liquid, in which case it is desirable to store it at -20 ° C. 0.1 ml of taurine per 100 ml of the liquid fortified composition. 005-0. 5 g, arginine 0. 0.5-5 g, cholesterol 0. 01-1 g, phospholipid 0. 01-1 g, docosahexaenoic acid 0.1. 0.5-5 g, arachidonic acid. 01-1 g, sialyl oligosaccharide 0. 01-5 g, β-carotene 0. 0.5 to 5 mg, and α-tocopherol 0.1. 001-0. 1 g. In addition, this liquid fortified composition was added with 0.1 g of immunoglobulin per 100 ml. 02-5 g and lactoferrin 0. 05 to 10 g may be added. In these cases, the liquid fortified composition contains 10 to 5 ml from birth to 2 weeks after birth, 5 to 3 ml from 2 weeks to 1 month, and from 1 to 2 months per 100 ml of the milk formula of a normal infant formula. By adding while changing the volume as appropriate, such as 3 to 1 ml per month, a component change close to breast milk can be realized by artificial nutrition.
[0006]
Furthermore, the fortification composition of the present invention includes vitamins (A, B1, B2, B6, B12, C, D, K, folic acid, nicotinic acid, pantothenic acid, biotin, inositol, which are important components for infants. Choline), polyamines (spermine, spermidine, etc.), nucleic acids (nucleosides, nucleotides, DNA, RNA, etc.), minerals (calcium, magnesium, sodium, potassium, copper, iron, zinc, sulfur, selenium, iodine, chlorine) , Phosphorus, etc.), organic acids (such as citric acid, propionic acid, acetic acid, lactic acid, and pyruvic acid), and enzymes (such as lysozyme, lactoperoxidase, and lipase) can also be added at appropriate times.
By using such a fortified composition, the drawbacks of artificial nutrition, which was conventionally a single composition, can be eliminated. In addition, by ingesting artificial milk containing ingredients at different concentrations during each lactation period, not only does the overload of the infant's immature metabolic function be added, but also components with biological defense functions (immunoglobulin, lactoferrin) are added. By doing so, newborn babies with weak immunity immediately after birth can also be protected from various infections.
[0007]
Ingredients constituting the infant formula fortified milk for infants according to the present invention are not particularly limited as long as they can be used as commercially available materials or foods. For example, as immunoglobulin, bovine colostrum powder or colostrum such as cow milk, goat milk, human milk, etc. is defatted and then concentrated by an ultrafiltration membrane (UF membrane) having a molecular weight cutoff of 100,000. An immunoglobulin material can be prepared. Alternatively, pregnant animals can be immunized with a specific antigen, immunized milk containing an antibody against the specific antigen secreted after childbirth is defatted, and concentrated milk prepared in the same manner can be used as an immunoglobulin material. . Lactoferrin is passed through a sulfated insoluble carrier (such as sulfated Cellulofine) of skim milk such as cow's milk, goat's milk or human milk according to the method of JP-A-63-255300, etc. The lactoferrin adsorbed on the lactoferrin is recovered and prepared using a high ionic strength eluent, or microorganisms such as yeast, basidiomycetes, and Escherichia coli incorporating human lactoferrin gene (Biotechnology, vol. 13, p. 498, (1995)). Can be used, and these are commercially available. Taurine can be purified from boiled seafood such as octopus, squid, pearl oyster, etc. using activated carbon, ion-exchange resin, etc. according to the method of JP-A-59-73561, or beef or pig. Can be prepared by hydrolyzing bile, which are commercially available as natural food additives. Arginine can be obtained, for example, by hydrolyzing gelatin, which is commercially available as a natural food additive. As cholesterol, those purified from egg yolk, butter oil, fish oil, wool wax (lanolin) and the like are used, and these are commercially available. As the phospholipid, lecithin purified from soybean, egg yolk, milk and the like is used, and these are commercially available. As docosahexaenoic acid, fish oil such as skipjack and tuna, algal oil, and the like can be used. As arachidonic acid, oils such as egg yolk, fish, and algae can be used as raw oils and fats, and these are commercially available as arachidonic acid materials. As the sialyl oligosaccharide, sialic acid-linked oligosaccharide prepared from milk or animal organs can be used according to the method described in JP-A-59-184197. As β-carotene, those extracted from plants such as palm oil, carrot, mango, and apricot are used, and these are commercially available as natural food additives. As α-tocopherol, those purified from soybean oil, cottonseed oil, corn oil, wheat germ oil, rice bran oil and the like are used, and these are commercially available as natural food additives.
[0008]
【Example】
The present invention will be described in more detail with reference to the following examples, which are merely illustrative and do not limit the present invention in any way.
[0009]
Embodiment 1
Preparation of immunoglobulin 10 L of bovine colostrum was defatted by centrifugation (3,000 × G, 10 min, 5 ° C.) and then ultrafiltration device Diaflow equipped with a membrane having a molecular weight cut off of 100,000. The mixture was concentrated 10-fold with a hollow fiber system DC10L (Amicon), and the concentrate was freeze-dried to obtain 500 g of immunoglobulin.
[0010]
Embodiment 2
Preparation of lactoferrin 200 L of skim milk was passed through a column (4 cm x 30 cm) packed with sulfated Cellulofine (Fujibo), and the specifically adsorbed lactoferrin was eluted with 1 M saline and separated. did. The eluate was desalted with an electrodialyzer TS-2-10 (TOKUYAMA), and lyophilized to obtain 40 g of lactoferrin.
[0011]
Embodiment 3
Preparation of sialyl oligosaccharide 800 L of whey obtained during cheese production is treated with an ultrafiltration device UF-1-LAB (Filtration Engineering) equipped with a membrane having a molecular weight cut-off of 10,000, and a permeate Was recovered. After the permeate was cooled at 5 ° C. to remove the precipitate, the supernatant was passed through an anion exchange resin Dowex 1 × 4 acetic acid type (15 cm × 50 cm) to adsorb the sialyl oligosaccharide, and 1 M sodium acetate The solution was eluted and recovered. After the eluate was desalted with an electrodialyzer TS-2-10 (TOKUYAMA), 80 g of sialyl oligosaccharide was obtained.
[0012]
Embodiment 4
Manufacture of fortified composition 1
5 g of taurine (Tanabe Seiyaku), 50 g of arginine (Kyowa Hakko) and 60 g of the sialyl oligosaccharide prepared in Example 3 were dissolved in 1 L of warm water at 50 ° C. On the other hand, 30 g of cholesterol (Yoshikawa Oil Company), 170 g of skipjack oil containing 30% DHA (Maruha), 80 g of fat containing 25% arachidonic acid (SUN-TGA25, Suntory), and palm oil carotene containing 30% β-carotene (Lion Company) ) 0. 1. RIKEN E oil containing 2 g, 40% α-tocopherol (RIKEN Vitamin Co.) After mixing 5 g and heating the mixture to 50 ° C., 22 g of Ratio P (RIKEN Vitamin Co.) containing 90% phospholipid was added, and the mixture was homogenized with the previously prepared amino acid solution. This homogenized liquid was spray-dried with a Pulvis Spray Dryer Model GB-21 (YAMATO) to obtain 400 g of powdered infant formula fortified composition for infants. Table 1 shows the component compositions of the obtained compositions.
[0013]
[Table 1]
Figure 0003552856
[0014]
Embodiment 5
Manufacture of fortified composition 2
2 kg of colostrum powder (Nippon Protein), 5 kg of lactoferrin (Nippon Protein), 5 g of taurine (Tanabe Seiyaku), 50 g of arginine (Kyowa Hakko) and 8 g of sialyl oligosaccharide prepared in Example 3 at 50 ° C. in hot water It was dissolved in 45 kg to prepare a protein solution. On the other hand, 30 g of cholesterol (Yoshikawa Oil Company), 170 g of skipjack oil containing 30% DHA (Maruha), 80 g of fat containing 25% arachidonic acid (SUN-TGA25, Suntory), and 30 g of palm oil carotene containing β-carotene (Lion Company) ) 0. 1. RIKEN E oil containing 2 g and 40% α-tocopherol (RIKEN Vitamin Co.) 5 g was mixed and heated to 50 ° C., and 22 g of 90% phospholipid-containing Ratio P (RIKEN Vitamin Co., Ltd.) was added to the mixed oil and mixed well, and the mixture was homogenized with the previously prepared protein solution. This homogenized solution is spray-dried with a spray drier, and the nutritionally enriched composition powder for infant formula is used. 3 kg were obtained. Table 2 shows the component compositions of the obtained compositions.
[0015]
[Table 2]
Figure 0003552856
[0016]
Embodiment 6
Manufacture of fortified composition 3
23 g of the immunoglobulin powder obtained in Example 1, 50 g of lactoferrin obtained in Example 2, 10 g of sialyl oligosaccharide prepared in Example 3, and taurine (Tanabe Seiyaku). 2 g and 4 g of arginine (Kyowa Hakko) were dissolved in 900 ml of warm water at 50 ° C. to prepare a protein solution. On the other hand, 3 g of cholesterol (Yoshikawa Oil Co., Ltd.), 14 g of skipjack oil containing 30% DHA (Maruha), 8 g of fat containing 25% arachidonic acid (SUN-TGA25, Suntory), and 30% β-carotene-containing palm oil carotene (Lion Inc.) Riken E oil containing 10 mg and 40% α-tocopherol (RIKEN Vitamin Co.) 28 g of the mixed oil heated to 50 ° C. and mixed with 90% phospholipid-containing Ratio P (RIKEN Vitamin Co.) After adding 2 g and mixing well, the mixture was combined with the previously prepared protein solution and homogenized to obtain 1 L of a fortified composition. The nutrient enrichment composition was dispensed in 10 ml portions and then stored frozen at -20 ° C. Table 3 shows the component composition of the obtained composition.
[0017]
[Table 3]
Figure 0003552856
[0018]
Embodiment 7
Effect of the nutritionally enriched composition of the present invention Changes in components during the lactation period of human breast milk, and the effects of each of the components when the nutritionally enriched composition of the present invention obtained in Example 6 is added to general infant formula. The changes are shown in Table 4. From these results, it was confirmed that by using the fortified composition of the present invention, it is possible to easily change the ingredients of a commercially available infant formula in accordance with the changes in the ingredients of breast milk.
[0019]
[Table 4]
Figure 0003552856
[0020]
【The invention's effect】
According to the present invention, there is provided a fortified composition containing taurine, arginine, cholesterol, phospholipid, docosahexaenoic acid, arachidonic acid, sialyl oligosaccharide, β-carotene, and α-tocopherol in a specific ratio. Further, there is provided a fortified composition comprising an immunoglobulin and lactoferrin. The nutritional enrichment composition of the present invention is nutritionally excellent and is used simply.By adding to the infant formula while changing the volume appropriately, artificial milk containing components having different concentrations for each lactation period can be obtained. It can be easily prepared and does not overload the immature metabolic function of infants.In addition, by adding additional components with biological defense functions such as immunoglobulin and lactoferrin, various newborns with weak immunity can be used. Can protect from infection.

Claims (2)

組成物の乾燥重量100gに対し、タウリンを0.02〜2重量%、アルギニンを0.2 〜20重量%、コレステロールを0.1 〜10重量%、リン脂質を0.1 〜10重量%、ドコサヘキサエン酸を0.2 〜20重量%、アラキドン酸を0.1 〜10重量%、シアリルオリゴ糖を0.05〜20重量%、β−カロチンを0.001 〜0.1 重量%、及びα−トコフェロールを0.01〜1重量%含有することを特徴とする栄養強化組成物。0.02 to 2% by weight of taurine, 0.2 to 20% by weight of arginine, 0.1 to 10% by weight of cholesterol, 0.1 to 10% by weight of phospholipid, Docosahexaenoic acid 0.2 to 20% by weight, arachidonic acid 0.1 to 10% by weight, sialyl oligosaccharide 0.05 to 20% by weight, β-carotene 0.001 to 0.1% by weight, and α -A fortification composition comprising 0.01 to 1% by weight of tocopherol. 請求項1記載の栄養組成物100gに対し、重量換算で免疫グロブリン0.3 〜30重量%及びラクトフェリン0.7 〜70重量%を含有することを特徴とする栄養強化組成物。A nutritionally enriched composition comprising 0.3 to 30% by weight of immunoglobulin and 0.7 to 70% by weight of lactoferrin per 100 g of the nutritional composition according to claim 1.
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