June 21, 2017

Coffee Valve: Why is it Important?


For coffee production, the quality comes partialy from degassification of the beans. 

If you’ve ever grabbed a bag of first-grade coffee off a shelf, I’m sure that you’ve found that the bag has a hole in the back. This small gap is often interpreted as a “sniffing hole” for potential buyers that want to smell the goods. But this is not the case. This little incision has a name and a unique reason to exist. It’s called “Coffee valve, ” and its use is related to the roasting process of coffee beans.
This process takes the green beans through a machine, and using heat removes humidity and hardens the surface of the coffee. There has to be a change in the bean itself to allow a different chemical process to take place. This change leads to the release of CO2, that not only improves the flavor and enhances the characteristics of the bean itself, but it also plays a key factor in the stalling process of coffee. Why is this? Because, after the beans have been roasted, the release of gas will go on for a while, so the beans must be put to rest and be degassed so they can be packaged safely. The process of degassing plays an instrumental role in the overall flavor of coffee, because doing it in the open let the porous surface of the beans to absorb odors and lead to a stale flavor that no coffee lover likes. Because of this, the coffee valve was invented.
This valve is one way around: it allows freshly roasted beans to release CO2 while retaining their natural characteristics and allowing no oxygen in. This process is responsible for a great flavor in the coffee for a longer period because it avoids the oxidization, which can change flavors and properties in freshly roasted beans. While this is the main reason for the existence of these valves, the reality is that another factor also intervenes in the need for this device: the integrity of the bag. For up to 30 days, the coffee beans can release more than twice their weight in CO2, so when packed in a sealed bag with no way out, this gas can transform an innocuous package into a potential danger for bystanders. Bags without any medium of release for the gas are prone to burst, and aside from losing a great batch of coffee, the monetary damage can be significant.
Coffee valves are incredibly important for the coffee producers. And at Coffland Corp, they make sure to offer the best alternatives for your coffee to stay fresh and perfect on your shelves. Contact them and find out if they are the right fit for you when it comes to producing unique batches of exclusive coffee!
For coffee packaging processes, the use of valves is vital for the preservation of quality.






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