JP6912327B2 - 医療用・美容材料の製造方法及び医療用・美容材料 - Google Patents
医療用・美容材料の製造方法及び医療用・美容材料 Download PDFInfo
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- JP6912327B2 JP6912327B2 JP2017169099A JP2017169099A JP6912327B2 JP 6912327 B2 JP6912327 B2 JP 6912327B2 JP 2017169099 A JP2017169099 A JP 2017169099A JP 2017169099 A JP2017169099 A JP 2017169099A JP 6912327 B2 JP6912327 B2 JP 6912327B2
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Description
本発明の医療用・美容材料の製造方法(第1の製造方法)は、粘度平均分子量が10,000以下の第1のポリアニオン性多糖類の水溶性塩、及び粘度平均分子量が50,000以上の第2のポリアニオン性多糖類の水溶性塩を含有する原材料を成形して、水溶性成形体を得る工程を有する。また、本発明の第1の医療用・美容材料は、上記第1の製造方法により製造されたものである。さらに、本発明の医療用・美容材料の製造方法(第2の製造方法)は、粘度平均分子量が10,000以下の第1のポリアニオン性多糖類の水溶性塩、及び粘度平均分子量が50,000以上の第2のポリアニオン性多糖類の水溶性塩を含有する原材料を成形して、水溶性成形体を得る工程と、得られた水溶性成形体を水不溶化処理する工程と、を有する。そして、本発明の第2の医療用・美容材料は、上記第2の製造方法により製造されたものである。以下、本発明の医療用・美容材料及びその製造方法の詳細について説明する。
(参考例1)
ヒアルロン酸ナトリウム(粘度平均分子量150万Da、キッコーマンバイオケミファ社製)の粉末1g、ヒアルロン酸ナトリウム(粘度平均分子量1万Da、キッコーマンバイオケミファ社製)の粉末1g、グリセリン(日本薬局方)0.5g、及び水97.5gを混合して水溶液100gを調製した。調製した水溶液100gを縦12cm×横10cmのステンレストレイに流し込み、20℃の恒温槽内で乾燥させて、グリセリンを含有する厚さ約50μmの膜(水溶性膜)を得た。
参考例1で製造した水溶性膜を処理液(無水酢酸:エタノール=20:80)に浸漬し、50℃で1時間放置して水不溶化処理し、厚さ約55μmの膜を得た。
ヒアルロン酸ナトリウム(粘度平均分子量150万Da、キッコーマンバイオケミファ社製)の粉末1g、ヒアルロン酸ナトリウム(粘度平均分子量1万Da、キッコーマンバイオケミファ社製)の粉末1g、及び水98gを混合して水溶液100gを調製した。調製した水溶液をステンレス製バットに流し込み、−30℃で凍結させた後、棚加熱温度120℃で凍結乾燥して、スポンジ状の成形体(水溶性成形体)を得た。
参考例3で製造した水溶性成形体を処理液(無水酢酸:メタノール=10:90)に浸漬し、室温で18時間放置して水不溶化処理した。次いで、メタノール、80体積%メタノール水溶液、及び水の順で洗浄し、スポンジ状の成形体を得た。
(ヒアルロン酸ナトリウム濃度の測定)
以下に示す構成のHPLCシステムを使用し、測定対象物を0.3%NaOH水溶液で溶解して調製した試料(10μL)中のヒアルロン酸ナトリウムの濃度を測定した。粘度平均分子量1,500,000(150万Da)及び10,000(1万Da)のヒアルロン酸ナトリウムを分析して得たクロマトグラムを図1に示す。
[HPLCシステム]
ポンプ:商品名「PU−980」(日本分光社製)
オートサンプラー:商品名「AS−950−10」(日本分光社製)
カラムオーブン:商品名「CO−965」(日本分光社製)
UV検出器:商品名「UV−970」(日本分光社製)
GPCカラム:商品名「TSKgel PWXL」(直径4.6mm×300mm×2本、東ソー社製)
移動相:0.1N NaCl水溶液
流速:1.0mL/min
カラム温度:40℃
参考例1及び3で製造した膜を切断して2cm×2cmの試験片を作製した。直径3.5cm、深さ1.5cmの容器に作製した試験片を入れ、PBS緩衝液(pH6.8)5mLを加えた。この容器を37℃に調整した恒温槽に入れて静置した。緩衝液を経時的に緩衝液を抜き取り、ヒアルロン酸ナトリウム濃度を測定した。緩衝液のヒアルロン酸ナトリウム濃度の測定結果を図2及び3に示す。図2及び3に示すように、参考例1及び3で製造した膜では、低分子量のヒアルロン酸ナトリウムが迅速に溶出した後、高分子量のヒアルロン酸ナトリウムがゆっくりと溶出した。これにより、皮膚への浸透性の高い低分子量のヒアルロン酸ナトリウムが迅速に放出されるとともに、高分子量のヒアルロン酸ナトリウムが徐々に溶解して皮膜状となる、皮膚表面等を保護可能な医療用・美容シートを提供できることが分かる。
実施例2及び4で製造した膜を切断して2cm×2cmの試験片を作製した。直径3.5cm、深さ1.5cmの容器に作製した試験片を入れ、PBS緩衝液(pH6.8)5mLを加えた。この容器を37℃に調整した恒温槽に入れ、振とう機を用いて10〜20rpmで24時間振とうした。経時的に緩衝液を抜き取り、ヒアルロン酸ナトリウム濃度を測定した。緩衝液のヒアルロン酸ナトリウム濃度の測定結果を図4及び5に示す。図4及び5に示すように、実施例2及び4で製造した膜では、低分子量のヒアルロン酸ナトリウムの溶出が検出されたが、高分子量のヒアルロン酸ナトリウムの溶出は検出されなかった。これにより、低分子量のヒアルロン酸ナトリウムを迅速に放出して処置部などに継続的に供給するとともに、高分子量のヒアルロン酸ナトリウムによって皮膚や臓器表面を保護可能な医療用・美容シートを提供できることが分かる。
(参考例5)
ヒアルロン酸ナトリウム(粘度平均分子量150万Da、キッコーマンバイオケミファ社製)の粉末1g、ヒアルロン酸ナトリウム(粘度平均分子量0.5万Da、キッコーマンバイオケミファ社製)の粉末0.5g、及び水98.5gを混合して水溶液100gを調製した。図6に示すような、一辺1.5cm、深さ1cmの穴5を20個備えたポリエチレンテレフタレート製のトレイ10を用意した。このトレイ10の穴5に調製した水溶液を1mLずつ流し込んだ後、−80℃の冷凍庫内に載置して凍結させた。得られた凍結物を真空凍結乾燥(真空度−20Pa、棚温度25℃)して、スポンジ状固形物20片を得た。得られたスポンジ状固形物の1片を手の甲に載せて化粧水で伸ばした。これにより、低分子量のヒアルロン酸ナトリウムが皮膚に供給されるとともに、高分子量のヒアルロン酸ナトリウムによる皮膚の保護及び保湿効果が得られることが分かった。
ヒアルロン酸ナトリウム(粘度平均分子量150万Da)に代えて、アルギン酸ナトリウム(粘度平均分子量40万Da、和光純薬社製)を用いたこと以外は、前述の参考例5と同様にして、高分子量アルギン酸ナトリウム−低分子量ヒアルロン酸ナトリウムからなるスポンジ状固形物を得た。
ヒアルロン酸ナトリウム(粘度平均分子量150万Da)に代えて、カルボキシメチルセルロースナトリウム(粘度平均分子量15万Da、東京化成社製)を用いたこと以外は、前述の参考例5と同様にして、高分子量カルボキシメチルセルロースナトリウム−低分子量ヒアルロン酸ナトリウムよりなるスポンジ状固形物を得た。
10:トレイ
Claims (5)
- 粘度平均分子量が10,000以下の第1のポリアニオン性多糖類の水溶性塩、及び粘度平均分子量が50,000以上の第2のポリアニオン性多糖類の水溶性塩を含有する原材料を成形して、水溶性成形体を得る工程と、
酸無水物を含む処理液に得られた前記水溶性成形体を接触させて、前記水溶性成形体の形状を維持したまま水不溶化処理して、水不溶性の基材を形成する工程と、
を有する医療用・美容材料の製造方法。 - 前記酸無水物が、無水酢酸及び無水プロピオン酸の少なくともいずれかである請求項1に記載の医療用・美容材料の製造方法。
- 前記水溶性成形体の形状が、シート状、フィルム状、スポンジ状、粉末状、又は紐状である請求項1又は2に記載の医療用・美容材料の製造方法。
- 前記ポリアニオン性多糖類が、ヒアルロン酸、カルボキシメチルセルロース、及びアルギン酸からなる群より選択される少なくとも一種である請求項1〜3のいずれか一項に記載の医療用・美容材料の製造方法。
- 請求項1〜4のいずれか一項に記載の製造方法により製造された医療用・美容材料。
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JP2017169099A JP6912327B2 (ja) | 2017-09-04 | 2017-09-04 | 医療用・美容材料の製造方法及び医療用・美容材料 |
CA3074674A CA3074674C (en) | 2017-09-04 | 2018-08-16 | Production method for medical and cosmetic material, and medical and cosmetic material |
US16/636,547 US11491097B2 (en) | 2017-09-04 | 2018-08-16 | Production method for medical and cosmetic material, and medical and cosmetic material |
SG11202001216WA SG11202001216WA (en) | 2017-09-04 | 2018-08-16 | Production method for medical and cosmetic material, and medical and cosmetic material |
KR1020207007072A KR102322976B1 (ko) | 2017-09-04 | 2018-08-16 | 의료용·미용 재료의 제조 방법 및 의료용·미용 재료 |
AU2018326846A AU2018326846B2 (en) | 2017-09-04 | 2018-08-16 | Production method for medical and cosmetic material, and medical and cosmetic material |
PCT/JP2018/030400 WO2019044519A1 (ja) | 2017-09-04 | 2018-08-16 | 医療用・美容材料の製造方法及び医療用・美容材料 |
EP18851040.8A EP3680255A4 (en) | 2017-09-04 | 2018-08-16 | Production method for medical and cosmetic material, and medical and cosmetic material |
CN201880055978.4A CN111051351A (zh) | 2017-09-04 | 2018-08-16 | 医疗用/美容材料的制造方法和医疗用/美容材料 |
TW107129995A TWI820037B (zh) | 2017-09-04 | 2018-08-28 | 醫療用材料、美容材料之製造方法及醫療用材料、美容材料 |
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JP6598207B2 (ja) * | 2013-07-03 | 2019-10-30 | 株式会社リタファーマ | 水溶性ヒアルロン酸ゲル及びその製造方法 |
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JP6374089B2 (ja) * | 2015-02-27 | 2018-08-15 | 大日精化工業株式会社 | 医療用・美容材料及び癒着防止材 |
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EP3680255A4 (en) | 2021-06-09 |
US20210154126A1 (en) | 2021-05-27 |
KR20200041343A (ko) | 2020-04-21 |
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