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- 01-03-2007, 12:07 AM #1
Question about shelf life of whole beans in a sealed bag
Hello. I had a question about the shelf life of sealed bags of whole beans.
I am aware that once a bag of coffee beans is opened that the beans should be stored in an airtight container and consumed within 1-2 weeks for optimum freshness.
I was curious however how long a sealed bag stays fresh for however? The only reason I ask is that I mail-order my coffee and it would be more economical for me to buy 3-4 bags at a time to save on shipping than to constantly place an order for a single bag.
However, I only consume a bag every 2 weeks or so, so I'm wondering if the sealed bags of whole beans would have lost significant amounts of freshness by the time I got around to opening them 4-8 weeks down the road.
- 01-04-2007, 09:40 AM #2
i have bags that taste quite fresh even a few months down the road. one in particular has been pre-ground, shipped from Costa Rica and has been in an airtight jar for 4 months-- still amazing aroma and tasty flavor.
ultimately, it has more to do with when it was roasted and how quickly (after degassing) it's been bagged. some stores sell bags months and years later.
the type of coffee is also a factor. but i suggest, if the price is right try it. like wine, taste/preference is highly subjective.
- 01-05-2007, 09:44 PM #3
Freeze three of the bags in an air tight container, take one out to use when the first bag is gone. Never place a previously frozen bag back into the freezer. Because ice crystals will form and will mess-up your java.Ciao, Baby! Di Crema is rising!
- 01-08-2007, 04:58 PM #4
It depends on the quality of the coffee you are buying, method of brewing, and level of roast also plays a small factor. In general, 10 days for it to retain all varietal nuances (in some instances less) and 14 days for it to taste great. Up to 3 weeks for it to be acceptable. After that both internal and external factors will have rendered the coffee 'dead'. I wouldn't recommend freezing it, this does not stop the internal processes of degradation that happen to the bean. Fresh Roasted coffee is not meant for long term storage.John Piquet
Salt Lake City, UT
- 01-09-2007, 02:08 AM #5
You have asked a question that has many possible answers and several seemingly contradictory answers may be true in the right circumstances or with the appropriate definitions. The following comments are my opinions: based on my coffee cupping abilities, several long term quality tests, corroborative information from several other qualified people in the industry and my practical experiences with coffee roasting and packaging.
1. Shelf life may be defined based on "best before" quality considerations and or "expiration date" food safety factors. Apparently the manufacturers come to widely different conclusions.
2. The packaging material manufacturers generally focus on food safety, and many of them endorse shelf life expectations of 2 years and greater. Certainly a can, glass, ceramic or multilayer laminated flexible film package can provide an effective barrier. Preventing oxygen and moisture in the atmosphere from entering the package is a basic requirement in extended shelf life. Oxygen and moisture are the most obvious contributors to overt coffee staling, and keeping atmosphere out of the package extends shelf life.
3. The packaging does not prevent the contents from the natural process of decay/deterioration/de-gassing Carbon Dioxide (CO2)/volatile molecules (aroma) escape/complex molecules (e.g. oils) fracture and degradation. These processes occur faster if the coffee is ground vs whole bean. The detrimental effects of these aging processes are compounded by exposure to atmosphere and absorption of oxygen and water and other non-coffee aromas and flavors (such as food and spice cross-contamination).
4. Ultimate freshness and cup quality may be entirely different than "acceptable" best by date standards, and different manufacturers and different consumers have varying thresholds of "acceptable".
5. I am already tired of typing and have only scratched the surface of this multifaceted topic. I want to watch CSI.
6. Coffee (cherry, green, roasted, ground, brewed) is not fresh indefinitely. Just because it may be food safe or may not have absorbed significant deteriorating factors, does not mean it is still as fresh as the day it was roasted.
7. Acceptable for some is not acceptable for others. I do not recommend freezing coffee, unless you live past the tree line in the arctic. Brewing coffee immediately upon grinding yields the best aroma and cup quality.
8. Treat coffee like fresh produce or fresh baked goods and you will enjoy better aroma, richer flavor, and more of the complexity and uniqueness of the farmer's and roaster's best efforts.
9. Ground coffee ages significantly faster than whole bean coffee.
10. Coffee is best within one to two weeks of roasting. Most manufacturers and consumers find little significant degradation within three to five weeks of roasting. Many find it acceptable within five to eight weeks of roasting. Some determine it acceptable up to 5 to 6 months after roasting - provided the packaging was originally nitrogen flushed and/or vacuum packaged, and the entire contents are brewed immediately upon opening the package. A few think it is acceptable for other people to drink it for one or two years (or even longer) after roasting.
11. If you buy fresh roasted coffee, and it tastes significantly better than the batch you just finished, then you should consider purchasing fresh coffee more frequently.
12. Try buying fresh roasted coffee every week (every other week at the most). Buy from a vendor that replaces their roasted inventory completely within a week and will tell you the roast date. If you mail-order, consider buying from a roaster that will roast to order, or ship a "standing re-order", or join a coffee of the month club.
13. Consider canned coffee equivalent in quality to cheap canned beans or spam. Consider frozen coffee equivalent to frozen fishstix. Compare pre-ground coffee to day-old bread. Consider that day-old bread may be better than instant coffee, but some of the $5 and $10 packages at the grocery store are not as good as instant coffee.
14. Try a few different $10 to $20/pound coffees from roasters committed to quality and freshness, Then consider that $0.20 to $0.60 per serving is a far better value than just about any beverage (including spirits, wine, cola, red bull, bottled water) other than koolaid.
15. Why not enjoy only fresh roasted, exceptional coffee? No matter how much it costs, it is still affordable and great value. Why tolerate mediocrity?
Please feel free to voice dissent or request more information or prolonged diatribe. I am curious to hear what others on this forum have to contribute, too. Clearly my opinion is biased, am I too far from center?
- 01-09-2007, 01:08 PM #6
I suppose I've just been spoiled, but unless there is an emergency circumstance (running out of coffee in the middle of the night, for example), I try to:
1. Only buy coffee with a printed roasted date
2. Buy coffee roasted within the last week or so
This way, I know I'm always getting the freshest coffee I can get, and it's up to me to drink it all while it is still fresh. I know I can go through a pound in as few as 4 or 5 days, and I can stretch one out to as many as 10 days. So either way I go, buying coffee roasted within the last week keeps my tastebuds pretty happy.
- 01-10-2007, 10:10 AM #7
Question About Shelf Life of Whole Beans
Ahh... the age old question that seems to have an answer and yet...
There just never seems to be a generally accepted or agreed to response to this question. But, others on this forum have given some thoughtful advice and most fall into kind of the same timeframe.
You don't seem to drink a lot of coffee, so, I would just add that if you don't use up the coffee within the timeframes mentioned by others, you might want to buy slightly less at a time. And, if you're buying mail order, definitely buy from a supplier who roasts to order. Great advice! Life's too short to settle for stale coffee.
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