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園藝作物天然色素之研究 4.胭脂色素之抽取和化學性質

Studies on the Natural Coloring Matters of Horticultural Crops (Ⅳ) Extraction and Some Chemical Properties of Pigment in Seed of Bixa orellana L.

摘要


本試驗以胭脂樹(Bixa orellana L.)的種子爲材料,就所含胭脂色素(annatto),探討其抽取方法和有關食品加工應用上之若干化學性質。

關鍵字

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並列摘要


The extraction and some chemical properties of pigment in the seed of Bixa orellana L. are studied. The elongated annatto fruit contained higher seed-weight and pigment than rounded fruit. The stability of annatto pigment are greatly influenced by storing condition. Good color is maintained when bixin is stored in darkness and at low temperature. The metallic ions of Sn(superscript 4+), Sn(superscript 2+), Al(superscript 3+), etc. could reduce pigment discoloration of crude norbixin solution. While Cu(superscript 2+), Fe(superscript 2+), etc. could enhance it.

並列關鍵字

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