第一节 维生素在食品加工贮藏中的变化
第一节 维生素在食品加工贮藏中的变化
Overview of Water-Soluble Vitamins ◆ Dissolve in water ◆ Generally readily excreted ◆ Subject to cooking losses ◆ Function as a coenzyme ◆ Participate in energy metabolism ◆ Marginal deficiency more common
Overview of Water-Soluble Vitamins ◆ Dissolve in water ◆ Generally readily excreted ◆ Subject to cooking losses ◆ Function as a coenzyme ◆ Participate in energy metabolism ◆ Marginal deficiency more common
VC (Ascorbic Acid) 生物活 性最高
VC (Ascorbic Acid) 生物活 性最高
VC (Ascorbic Acid) O H O HCOH HOH2C OH OH HOH2C HCOH H O O O O D-抗坏血酸 D-脱氢抗坏血酸
VC (Ascorbic Acid) O H O HCOH HOH2C OH OH HOH2C HCOH H O O O O D-抗坏血酸 D-脱氢抗坏血酸
Mode of Degradation 食品的褐变反应？ 2，3-二酮古洛糖酸 木 酮 糖 3-脱氧戊酮糖 糠醛 2-呋喃甲酸
Mode of Degradation 食品的褐变反应？ 2，3-二酮古洛糖酸 木 酮 糖 3-脱氧戊酮糖 糠醛 2-呋喃甲酸