2. When squeezed out, the juice retains the main nutrients in the fruit, but the vitamins in it are unstable in chemical properties and will gradually decompose and lose their activity; Some trace physiologically active substances will also be gradually lost or transformed into weaker forms.
3. In addition, if the fruit juice is stored for a long time, its taste will become lighter and lighter, and its color will become lighter and lighter, because its flavor substances and natural pigments are gradually decreasing. These factors lead to the decline of its nutritional value.
4. Hawthorn juice, orange juice and grape juice can be stored for 3-5 days, and peach juice and pear juice should be drunk within 2 days.
Yihetang is a chain brand of tea in colleges and universities. It mainly provides users with original leaf handmade tea products, such as Youlan Four Seasons Spring, Yi Bei Huaguoshan, fresh tea Macchiato, Yihe milk tea, etc., and at the same time, it is matched with small ingredients such as milk cover, coconut, pudding, pearl, fairy grass and red beans. It has a self-media platform for colleges and universities.