ワインで加工されたポリゴナティ根茎のオリゴサカライド成分の分離,識別,および品質管理方法に関する研究
Hong Guo1, Haonan Wu1,2, Rui Yao1,2
1National Institutes for Food and Drug Control, Beijing 102629, China.
Foods (Basel, Switzerland)
|February 13, 2026
まとめ
この研究では,ワインで加工されたポリゴナティ・リゾーマの品質マーカーとして,二果糖無水化物 (DFAs) を含む主要なオリゴサッカライドが特定されました. DFA濃度の上昇は,加工によって引き起こされる色変化と相関しており,品質管理で使用することを示唆しています.
科学分野:
- 植物化学 植物化学
- 食品科学 食品科学について
- アナリティカル・ケミストリー (Analytical Chemistry) とは
背景:
- ポリゴナティ・リゾマ (Polygonati Rhizoma, WPR) は,伝統的なハーブ・メディカルである.
- 蒸留や乾燥などの加工方法により,WPRの化学組成と品質が著しく変化します.
- 特定の品質マーカーを特定することは,標準化にとって極めて重要です.
研究 の 目的:
- ワインで加工されたポリゴナティ根茎 (WPR) のオリゴサッカライド品質マーカーを特定するために.
- WPR加工中の砂糖成分の変化を調査する.
- 糖分成分の変化と加工されたWPRスライスの色を相関させるため.
主な方法:
- 水の抽出,エタノールの降水,オリゴサッカリドの分離のための準備液体クロマトグラフィー.
- 構造的識別と純度評価のための核磁気共振 (NMR) スペクトロスコピー (>93%).
- カロリメトリック分析 (Eab*) と合計還元糖,DFA III,DFA I.の定量化.
主要な成果:
- 7つのオリゴサッカリドが特定されました:DFA III,DFA VII,DFA II,新しい二果糖アンヒドリド,DFA I,サクラOSE,および1-ケストーゼ.
- 化合物1-5 (DFA III,DFA VII,DFA II,新型DFA,DFA I) は,WPRから新たに分離され,後処理が増加しました.
- 処理中に増加した総色差 (Eab*) と糖分成分,特にDFA IIIとDFA Iの変化との間に強い相関が観察されました.
- DFA IIIとDFA Iのレベルは,商用WPRで原材料と比較して大幅に高かった.
結論:
- ディフルークトースアンヒドリド (DFA),特にDFA IIIとDFA Iは,ワインで加工されたポリゴナティ根茎の潜在的な品質マーカーです.
- 加工中のWPRスライスの漸進的な暗くなることは,オリゴサッカライドプロフィールの変化と密接に関連しています.
- DFA IIIとDFA Iの定量化は,WPRの加工度および品質を評価するのに役立ちます.
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