Raspberries and blackberries are perennial deciduous small shrub fruit plants of RubusSPP. in Rosaceae. Also known as raspberry, tray, marin, raspberry and so on. There are more than 750 species, mainly distributed in the temperate zone of the northern hemisphere, and a few in the cold zone, tropical zone, subtropical zone and southern hemisphere.

Generally speaking, the species separated from the receptacle when aggregate fruit matures is called "Raspberries", and the species not separated from the receptacle when aggregate fruit matures is called "Blackberries". Raspberry and blackberry fruits are rich in nutrition, sugar, fruit acid and vitamins, which have the effects of anti-aging and improving human immunity, especially the contents of Ve and SOD are the highest among fruits, so they are called "the third generation fruits".

Berry has high economic value, and its berries are rich in fat, carbohydrates, minerals, vitamins, organic acids, sugar and other substances, which are easily absorbed by the human body and can promote the absorption and digestion of other nutrients. Its berries contain 0.5 ~ 2.5 mg of salicylic acid per100g, which can be used as antiperspirant and is a good food for treating colds, flu and pharyngitis. Root soaking in wine can be used as a medicine for relaxing muscles and tendons, promoting blood circulation, diminishing inflammation and relieving swelling, and decocting stems and leaves in water can wash hemorrhoids. Fruit is also rich in volatile antibiotic substances with antiseptic effect.

In addition to fresh food, raspberry berries are mainly used for processing into various foods, such as juice, jelly, micro-fermented drinks, refreshing drinks, candied fruits, jam, fruit wine and juice syrup. The red pigment of raspberry juice can also be added to hawthorn refreshing beverage to make it better in color, fragrance and taste.

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