The shelf life of coconut water after opening can vary depending on various factors such as temperature, exposure to light, and the presence of contaminants. While it is true that coconut water is susceptible to spoilage if left unrefrigerated for an extended period, it doesn't necessarily spoil within 24 hours.
In a typical room temperature environment, unrefrigerated coconut water can remain safe to consume for about 1 to 3 days after opening. However, its freshness and taste might start to decline within this timeframe. After 3 days, there is an increased risk of bacterial growth, leading to spoilage, off-flavors, and potential health concerns.
To extend the shelf life of opened coconut water, it's best to refrigerate it as soon as possible after opening. Refrigeration slows down the growth of microorganisms, helping to maintain the quality and safety of the coconut water for a more extended period, usually up to 7 days or even longer in some cases.
Keep in mind that the timeline mentioned above is a general guideline and may vary based on the specific brand, processing methods, and storage conditions. Always check the product label for any manufacturer-provided guidance on storage and expiration dates. If you notice any signs of mold, an off odor, or unusual appearance, it's best to discard the coconut water, regardless of the time it has been open.