红茶加奶降低保健功效,可搭配蜂蜜或糖

喝茶有益健康是因为茶叶中的一种叫做类黄酮的抗氧化物.它有助于血管扩张,可降低人们患心脏病和中风的风险.茶叶还具有抗癌功能.德国研究人员发现如果在喝茶是加牛奶,则会大大降低茶叶的保健功效.
德国科学家进行了一项试验。他挑选了16名健康状况良好的更年期后妇女作为测试对象。试验期间，这16名妇女被分成3组，分别饮用不加牛奶的红茶、加入10%脱脂牛奶的红茶和白开水进行对比。结果发现，与喝白开水相比，人喝红茶可以显著提高血管扩张功能，而牛奶则会完全抵消红茶的这种功效。
茶叶中还含有儿茶酚,这种化合物可帮助人体有效预防心脏疾病,牛奶中的一种叫做干酪素的蛋白质会破坏儿茶酚,从而降低茶的保健作用.同时,牛奶会改变茶叶中某些活性成分的性质,导致降低茶叶的抗癌功效.
要想改变红茶的口感,又不破坏营养成分,可以在红茶中加入蜂蜜或者糖.
红茶中除了含有丰富的水溶性维生素外,还富含K元素,冲泡后可溶解出70%的钾元素,钾有增强心脏血液循环的作用,并减少钙在体内的消耗.红茶中的锰是骨组织必需的元素,因此常喝红茶可促进骨骼强健.
红茶和蜂蜜均有杀菌消炎的作用,蜂蜜有很强的抗氧化性,这一特性使它具有清除体内自由基的功能,具有葆青春抗衰老的功效.
人在没吃饭的时候饮用绿茶会感到胃部不舒服，这是因为茶叶中所含的重要物质——茶多酚具有收敛性，对胃有一定的刺激作用，在空腹的情况下刺激性更强。而红茶是经过发酵烘制而成的，茶多酚在氧化酶的作用下发生酶促氧化反应，含量减少，对胃部的刺激性就随之减小了。另外，这些茶多酚的氧化产物还能够促进人体消化，因此红茶不仅不会伤胃，反而能够养胃。

Comments

Maintenance and storage method of vibrating screen motor and common troubleshooting

The service life of the vibration motor determines the operating life of the entire screen. Therefore, in the normal production, we must always pay attention to whether the working state of the vibrating screen equipment is normal, whether the vibrating motor is in good working condition, timely check and solve some small abnormalities and faults, and do a good job of cleaning and maintenance, because this can greatly increase the vibration screening. Machine and vibration motor life. dewatering screens supplier Maintenance storage precautions during vibrating screen motor operation The equipment can not be completely dust-free, but also has a harsh environment and dusty conditions. The vibration motor is airless and heat-cooled. It relies on natural cooling, so it must be specially maintained. The following is the maintenance content. 1. It is necessary to pay attention to whether the vibration is abnormal during the use process; 2. Always check if the bolts used in the m...

Small capacity sand gravel production plant design scheme

Sandstone production line equipment configuration Applicable materials: river pebbles, pebbles, bluestone, granite, basalt, limestone, cement clinker, marble, iron ore and other more than 200 kinds of ore materials. High hardness rock: jaw crusher (coarse crushing first crushing), cone crusher (medium-fine crushing), and auxiliary equipment such as raw material silo, vibrating feeder, belt conveyor, circular vibrating screen. Suitable for granite, tablets Hemp and orthoclase, limestone, pebble, gravel, sandstone, sandy, lime schist, magnesite, dolomite, marble Low hardness rock: jaw crusher (coarse crushing first crushing), impact crusher (medium-fine crushing), and auxiliary equipment such as raw material silo, vibrating feeder, belt conveyor, circular vibrating screen. Reasonable matching according to the output demand of sandstone plant) Suitable for gravel granite, marl limestone, clay sandstone, sand mica schist, anhydrite Advantages of the production line: The production...

300t per hr chalcopyrite washing equipment

Chalcopyrite is a copper-iron sulfide mineral. It often contains trace amounts of gold and silver. Crystals are relatively rare and are tetrahedral-shaped, mostly irregular granular and dense massive aggregates, as well as kidney-shaped and grape-shaped aggregates. Copper yellow, often dark yellow or mottled. The streaks are black with a greenish tint. Chalcopyrite is a relatively common copper mineral, which can be formed in different environments, but it is mainly the product of hydrothermal action and contact metasomatism, and it can often form deposits of a certain scale. The origin is all over the world. In industry, it is the main raw material for copper smelting. In the field of gemology, it is rarely used alone, occasionally as a substitute for pyrite. In addition, it often participates in the composition of some colored stones, inkstones and jade. The high-efficiency spiral chalcopyrite washing machine is mainly used in the washing, grading, impurity removal, and the washing o...

sunset

Search This Blog