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The main reason for storing phospholipids away from light is their high sensitivity to light, especially ultraviolet (UV) light. Phospholipids contain unsaturated fatty acids that are susceptible to oxidation. When exposed to light, the energy from light can stimulate oxygen to react with the unsaturated fatty acids in phospholipids, leading to a decline in quality. This oxidation reaction can increase the acid value, produce unpleasant odors and flavors, and ultimately reduce the purity and stability of the phospholipids.

Certain phospholipid molecules, such as lecithin or other specific types, are particularly sensitive to light and are more prone to oxidation under light exposure. Transparent containers do not provide sufficient protection from light and cannot effectively prevent light penetration, making them unsuitable for storing phospholipids.

Storing phospholipids in a light-protected environment can significantly reduce the adverse effects of light, thereby preserving their quality and stability. Light protection also helps extend the shelf life and reduce the risk of deterioration due to oxidation. In addition to light protection, proper storage conditions include the following aspects:

1.Temperature Control: Maintaining an appropriate storage temperature is crucial. It is generally recommended to store phospholipids at a temperature range of 15°C to 25°C, avoiding excessively high or low temperatures.

2.Humidity Control: Controlling humidity levels to prevent phospholipids from absorbing too much moisture is important. Typically, a relative humidity range of 40% to 60% should be maintained.

3.Sealing and Packaging: Phospholipids should be stored in well-sealed containers to prevent the ingress of oxygen and moisture. Sealed containers should have antioxidant properties to minimize contact between phospholipids and oxygen.

Depending on the specific type and specifications of phospholipids, follow the manufacturer's recommendations to determine the appropriate storage conditions and duration. Storing phospholipids away from light is essential to reduce the adverse effects of light on their quality and stability, thereby maintaining their optimal condition and extending their shelf life. Proper control of other storage conditions is also key to ensuring the quality of phospholipids.