营养强化剂对脱脂乳粉中甲醛产生的影响

Effects of nutrient supplement on generation of formaldehyde in skim milk powder

中文关键词:  营养强化剂  脱脂乳粉  甲醛

英文关键词:nutrient supplement  skim milk powder  formaldehyde

中文摘要:

      目的 研究不同营养强化剂对脱脂乳粉中甲醛生成的影响。方法 脱脂乳粉添加5%有效含量的单一营养强化剂, 经热处理后测定甲醛含量, 进行单因素实验, 考察不同营养强化剂对甲醛产生的影响, 选择作用显著的营养强化剂进行双因素组合实验, 研究不同营养强化剂之间的相互作用。结果 110 ℃热处理10 min的情况下, 单因素实验结果表明, 维生素E、维生素B1、泛酸钙、烟酰胺对甲醛的产生具有显著的抑制作用(P<0.05), 维生素B2对甲醛的产生具有显著的增强作用(P<0.05), 而焦磷酸铁、葡萄糖酸锌、维生素A、维生素D、维生素B6、维生素C对甲醛产生的作用不显著(P>0.05)。通过因子组合实验表明, 维生素B2对甲醛生成的增强作用要大于维生素E、维生素B1、泛酸钙和烟酰胺对甲醛生成的抑制作用, 维生素E和泛酸钙在抑制甲醛的产生时具有协同作用。结论 本研究通过探究不同营养强化剂对脱脂乳粉中甲醛产生的作用, 对更深入了解乳粉中甲醛产生的机制和乳粉生产过程中甲醛的控制具有指导意义。

英文摘要:

      Objective To research the effect of different nutrient supplements on generation of formaldehyde in skim milk powder. Methods The skimmed milk powder was added with 5% effective content of a single nutrient fortifier, and the formaldehyde content was measured after heat treatment. The single factor experiment was conducted to investigate the effect of different nutritional fortifier on formaldehyde production, and then the factor with notable effect was selected for two factor combination experiment to research the interaction between different nutrition supplements. Results After heat treatment at 110 ℃ for 10 min, the single factor experiments indicated that vitamin E, vitamin B1, calcium pantothenate and nicotinamide significantly restrict the generation of formaldehyde (P<0.05), and vitamin B2 significantly enhanced the generation of formaldehyde in skim milk powder (P<0.05), and ferric pyrophosphate, zinc gluconate, vitamin A, vitamin D, vitamin B6 and vitamin C unremarkably affected the generation of formaldehyde (P>0.05). Factor combination experiments showed that the enhancement effect of vitamin B2 on formaldehyde production was greater than the inhibitory effect of vitamin E, vitamin B1, calcium pantothenate and nicotinamide on formaldehyde production. Vitamin E and calcium pantothenate had a synergistic effect in inhibiting the production of formaldehyde. Conclusion The paper researches the effect of different nutrient supplements on generation of formaldehyde in skim milk powder, and the results provide directive function for insight into the mechanism of generation of formaldehyde in milk powder and regulation of formaldehyde in the production procedures.