1, the purchase of flower cakes will generally add a certain amount of preservatives, shelf life will be a little longer, properly preserved probably can put half a month to a month or so, but fresh flower cakes are delicious, put a long time the flavor will be greatly reduced. When buying, pay attention to the production date, try to buy the production date is relatively recent, but also pay attention to the shelf life, the shelf life is too long also can not, that may have put a lot of preservatives.
2, the shelf life of their own handmade flower cakes due to the absence of preservatives and other food additives, preservation of time will be shorter, generally in the case of proper preservation put a 3-5 days will be bad, if it is the heat of the summer weather, and even one or two days can not be eaten. Therefore, if you do it yourself, you should pay attention to do it according to the serving size, and try to do it as little as possible, so as to avoid waste if you can't finish it.