The progression of oxidative rancidity can be expedited by specific divalent and polyvalent __________________________?
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Answer: D. All the above
Explanation
Trace heavy metals, light exposure, and elevated temperatures expedite lipid oxidation rates. Divalent and polyvalent metal ions act as powerful pro-oxidants in food systems. These combined environmental factors accelerate the progression of oxidative rancidity. Transition metals like iron and copper easily transfer electrons to initiate free radical chains. Ultraviolet light provides the energy needed to break chemical bonds and form free radicals. Elevated temperatures increase molecular kinetic energy, speeding up destructive chemical reactions.
Food packaging materials are designed to block light and oxygen to protect sensitive oils. Manufacturers use chelating agents to bind metal ions and prevent them from catalyzing oxidation. Controlling storage conditions is essential to prevent rapid spoilage of fat rich food products. Metals catalyze oxidation effectively but light and high temperature are also major accelerators. Light exposure drives free radical formation alongside metallic catalysts and thermal energy. High temperature speeds up molecular reactions but works in tandem with metals and light.
- Subject
- Agriculture
- Category
- Agriculture
- Topic
- —
- Difficulty
- medium
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