dont buy if pack is puffed why it is written on a tetra pack
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Microbes like yeast use fermentation which makes the packet full of air making the drink go bad
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When microorganisms spoil the food stuff, gas is released. Since, the packet is packed, the gas released will puff the packet. Hence, if the packet is puffed, it is understood that the juice in it is spoiled and could be harmful if consumed. Therefore, it is printed on tetra pack of juices "IF THE PACKET IS PUFFED DO NOT BUY"
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