问题:简述天然类胡萝卜素的结构特点、生物学功能及其作用机理。
Saturday, February 3, 2024
问题:举例说明影响食品安全和品质的主要化学反应及其控制措施。
Thursday, January 11, 2024
Wednesday, July 5, 2023
Friday, December 8, 2023
问题:简述一种富含亚油酸的油脂在储藏过程中过氧化值和酸价变化有什么规律。这种变化规律与哪些化学反应有关?
Thursday, January 11, 2024
问题:简述高甲氧基果胶(HM)和低甲氧基果胶(LM)胶凝有何不同。为什么?
Thursday, February 15, 2024
Sunday, December 10, 2023
Friday, December 8, 2023
Friday, January 19, 2024
Friday, July 21, 2023
Sunday, November 12, 2023
Thursday, December 28, 2023
Thursday, February 15, 2024
Monday, October 23, 2023
Friday, January 19, 2024
Wednesday, September 27, 2023
问题:半加工果蔬(即只通过清洗、去皮、切割等步骤的果蔬,可直接供应餐饮业、超市等)往往易发生褐变,褐变的原因有哪些?有何控制措施?
Thursday, February 15, 2024
Sunday, November 12, 2023
Saturday, February 3, 2024
Wednesday, December 21, 2022