How To Store Prunes

TL;DR

• Prunes can be stored at room temperature for up to 6 months or 1-2 years past the “best by” date if unopened and stored in a cool, dark place.
• Refrigerated prunes can last up to 12 months total (6 months at room temperature plus 6 months in the refrigerator).
• Frozen prunes can be stored for 12-18 months but should not be refrozen after thawing.
• The optimal temperature range for storing prunes is 50-68°F (10-20°C).
• Store prunes in a cool, dry place away from direct sunlight to maximize shelf life.
• Always check for signs of spoilage before consuming stored prunes.

Introduction

Prunes are a beloved dried fruit, prized for their sweet, rich flavor and impressive nutritional profile. To fully enjoy their taste and health benefits, it’s crucial to store prunes properly to maintain their quality and freshness. In this guide, we’ll walk you through everything you need to know about choosing the best prunes and storing them for optimal longevity.

Choosing the Best Prunes

Prune Varieties and Quality Indicators

When shopping for prunes, you’ll likely encounter several varieties, such as:

• California prunes are a European variety of plum that is grown and processed in California (4)
• French prunes (Agen) are a distinct variety of plum (5)
• Italian prunes are a distinct variety of plum (6)

Regardless of the variety, look for these signs of high-quality prunes:

• Smooth, shiny skin
• Plump, soft texture
• Uniform size and color
• Airtight, moisture-proof packaging

Purchasing Tips for Freshness

To ensure you’re buying the freshest prunes possible:

1. Purchase from reputable suppliers or well-stocked grocery stores
2. Check the expiration or “best by” date on the package
3. Opt for prunes stored in airtight containers or vacuum-sealed bags
4. Consider buying smaller quantities if you don’t consume prunes regularly

Prune Storage Methods

Room Temperature Storage

Prunes can be stored at room temperature, ideally in a cool, dry place away from direct sunlight (1). The optimal conditions are:

• Temperature range: 50-68°F (10-20°C) (3)
• Humidity level: 50-60%

Prunes can be stored at room temperature. Unopened packages maintain quality for up to 6 months or up to 1-2 years past the “best by” date when stored in a cool, dark pantry. Once opened, prunes have a shelf life of 6 months at room temperature. After opening the package, be sure to reseal it tightly to prevent moisture loss and contamination (2).

Refrigerator Storage

Storing prunes in the refrigerator can extend their shelf life even further. Follow these steps:

1. Place prunes in an airtight container or resealable plastic bag
2. Remove as much air as possible before sealing
3. Store in the main compartment of the refrigerator

Opened prunes stored in the refrigerator can last up to 12 months total (6 months at room temperature plus an additional 6 months in the refrigerator) (2).

Freezer Storage

For long-term storage, prunes can be frozen for up to 12-18 months (2). Here’s how:

1. Arrange prunes in a single layer on a baking sheet lined with parchment paper
2. Pre-freeze for 2-3 hours until solid
3. Transfer frozen prunes to an airtight, freezer-safe container or bag
4. Label with the date and return to the freezer

When you’re ready to use frozen prunes, thaw them in the refrigerator overnight or at room temperature for a few hours. Avoid refreezing thawed prunes, as this can affect their texture and flavor (7, 8).

Maximizing Prune Shelf Life

Factors Affecting Storage Duration

Several factors can impact the shelf life of prunes:

• Temperature: Higher temperatures accelerate spoilage
• Humidity: Excessive moisture promotes mold growth
• Air exposure: Oxidation causes flavor and texture changes
• Packaging: Airtight containers prevent moisture loss and contamination

Signs of Spoilage

Discard prunes if you notice any of these signs of spoilage:

• Visible mold growth
• Discoloration or dark spots
• Shriveled, hardened texture
• Sour or fermented smell
• Slimy or sticky surface

Consuming spoiled prunes can lead to foodborne illnesses, so it’s best to err on the side of caution.

Tips for Extending Freshness

To keep your prunes fresh for as long as possible:

1. Store them in airtight containers or bags
2. Avoid exposing them to heat, light, and moisture
3. Remove any spoiled or moldy prunes from the package immediately
4. Consider using desiccant packets to absorb excess moisture
5. Refrigerate or freeze prunes for longer storage

Conclusion

Proper storage is key to enjoying prunes at their finest. By choosing high-quality prunes and storing them correctly at room temperature, in the refrigerator, or in the freezer, you can savor their delightful taste and reap their nutritional benefits for months to come. Remember to always check for signs of spoilage before indulging in these sweet, healthy treats. With these tips in mind, you’re ready to make the most of your prune supply and incorporate them into your favorite recipes or enjoy them as a satisfying snack.

References

• #1: Dried Prunes Shelf Life: How Long Do They Last and Storage Tips
• #2: How Long Do Dried Plums Last?
• #3: How To Store Prunes: Shelf Life, Temperature, etc. – Food & Wine
• #4: Types of Plums | Niche Fruit-Growing Supplies | FGS
• #5: The Prune route of France – The Good Life France
• #6: Plum & Prune Trees | Portland Nursery
• #7: Can You Freeze Prunes? Yes! Here’s How… | Freeze It
• #8: Refreezing food | UMN Extension