Layered green grass in early spring grass young, a small number, this period of the grass do not directly feed large animals (cattle, horses, donkeys, crickets, etc.), should be chopped green spare. First put the chopped hay in the trough, sprinkle with a little layer of grass on it, induce the animals to feed on the hay, then sprinkle a layer of grass, eat a layer of sprinkling, and then circulate until the animals are full.
Blue and dry chopped mixed feeding As the weather gradually warms, the number of grasses gradually increases, and hay and grass can be individually chopped and then mixed thoroughly. The number of grasses started can account for one-third, and the number of grasses can be gradually increased, and the amount of hay can be reduced until it is dominated by grass and supplemented by hay. Even in the summer and autumn season, grassy grasses should be mixed with high quality dry forage grasses. One way to do this is to avoid the mouth licking and greediness of livestock. Secondly, it can prevent the livestock from picking forage and cause wastage. Third, it can combine dry and wet, warm combination to prevent livestock from diarrhea and help digestion and digestion of forage by stomach and intestines. Absorption and utilization of various nutrients.
Anthocyanins widely exist in flowering plants (angiosperms), and their content in plants varies greatly with varieties, seasons, climate and maturity[ 5] According to preliminary statistics, anthocyanins are contained in 27 families and 73 genera, such as purple sweet potato, grape, blood orange, red ball cabbage, blueberry, eggplant, cherry, red berry, strawberry, mulberry, hawthorn, morning glory and other plant tissues. Anthocyanins are mainly used in food coloring, dyes, medicine, cosmetics and so on.
Application
Antioxidant and free radical scavenging function
Anthocyanins belong to bioflavonoids, and the main physiological functions of flavonoids are free radical scavenging ability and antioxidant ability. Studies have proved that anthocyanins are the most effective antioxidants and the most powerful free radical scavengers found by human beings. The antioxidant performance of anthocyanins is 50 times higher than that of VE and 20 times higher than that of VC. Purple Sweet Potato Anthocyanin products can scavenge and inhibit - Oh, H2O2 and other reactive oxygen species, especially - Oh is stronger than ascorbic acid, and the scavenging effect is dose-dependent with concentration.
Anti mutation function
The function of anthocyanins not only makes plants present colorful colors, but also active molecules with health functions such as reducing enzyme activity and anti mutation. Studies have shown that the extract with a certain concentration of anthocyanin can effectively prevent carcinogenesis at different stages, but the individual role of anthocyanin is uncertain, partly because anthocyanin is easy to degrade after bioassay after separation from other stable components such as phenols.
Application in food
With the development of science and technology, people pay more and more attention to the safety of Food Additives. The development and utilization of natural additives has become the general trend of the development and use of additives. Anthocyanins can not only be used as nutritional enhancers in food, but also as food preservatives instead of synthetic preservatives such as benzoic acid, and can be used as food colorants in ordinary drinks and food, which meets people's general requirements for natural, safe and healthy food additives.
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