Antioxidants are a class of chemical substances that can delay or prevent oxidation reactions and can effectively protect ingredients in cosmetics from oxidative damage. Oxidation is a chemical reaction caused by free radicals, which can lead to quality changes, color changes, odor changes and even spoilage of ingredients in cosmetics. The role of antioxidants is to maintain the stability and quality of cosmetics by trapping free radicals and inhibiting the occurrence of oxidative reactions.
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What antioxidant ingredients are included in cosmetics?
In cosmetics, antioxidants are often added to products such as skincare, sunscreen, and anti-aging products to slow down the oxidation process and maintain their stability and effectiveness. Antioxidants can also provide additional skin care benefits such as anti-inflammatory, anti-aging, and blemish reduction. However, antioxidants need to be used with caution and overuse may lead to irritation or allergic reactions. Therefore, when using antioxidants in cosmetics, the amount of antioxidants used needs to be rationally selected and controlled according to the formulation of the product and the purpose of use.
Grasp the "promotion" and "control" of bee breeding
Correctly handling the "promotion" and "control" of the bee breeding process is the key to improving the economic benefits of beekeeping. Bees produce royal jelly and honey and are seasonal. In the season of sufficient pollen production, a large number of working-aged bees need to be collected and nurtured, which requires the promotion of bee breeding. When the pollen is reduced or there is no pollen, it is necessary to control the reproduction of bees in order to reduce the “rice beesâ€. . To handle the "promoting" and "control" of bee breeding, we must correctly grasp the relationship between standard honey flow and bee age. Bees are generally classified according to the age of the bees and work with them. In general, from the egg to the new bee to the room for 21 days, after leaving the house, 1 to 3 days of age will not work, 4 to 13 days of age is mainly internal feeding, processing and clearing the nest, etc.; after 14 days of age, only outside the mining Honey, powder, and water. To this end, it is relatively accurate to determine at what time, what flowering time into the flow of honey, and how many days it takes for a bee to collect from nurturing to mature age, to grasp the timing of “promoting†and “controlling†bee breeding. In general, 35 days before the big honeymoon period, “facilitate†brooding to ensure that there are more working-aged bees producing honey after entering the shed honey period. When the flow of honey in the past and other sources of honey can not pick up, generally 20 days before the end of the honey source will begin to "control" to prevent the bees to allow their own breeding, resulting in the greater the flow of honey, the more bees are born, the internal The heavier the work burden, the less attendance, resulting in a large number of new bees coming out of the house after the Big Stream honey period. No honey is available, and a large number of “rice bees†appear, affecting the effectiveness of beekeeping. The "promotion" and "control" of bee breeding should be flexible. "Promoting" is mainly adding spleen, paying attention to thermal insulation, rewarding feeding, and improving the enthusiasm of maternal bee birth and worker bee tending. "Control" to distinguish the situation. In the summer, when the birds are cut off or before the end of the winter, the kings can be used to keep the bees from being littered; when the end of the big nectar, but there are still some sporadic powder sources or damage is not serious, you can take out excess empty space. The spleen or the bees were kept in the plot with a partition to control the reproduction of bees. In this way, “promoting†and “controlling†properly can greatly increase the economic benefits of beekeeping. China Agricultural Network Editor