In recent years, tea series beverages that mainly focus on "healthy brands" have gradually become popular with consumers. However, during a visit, the reporter found that although there are a wide variety of tea beverages on the market, most products do not specifically indicate the content of tea polyphenols, the most important nutrient component of tea beverages.
In the drinks area of ​​some large supermarkets in Hangzhou, all kinds of tea beverages accounted for “half of the countryâ€. In addition to the common green tea and black tea, it is further subdivided into oolong tea, Tieguanyin and jasmine tea.
In the beverage area of ​​a large supermarket, there are 14 brands of 14 tea drinks. The reporter carefully examined the composition table of these tea beverages and found that there are not many ingredients related to tea, and more are edible flavors, white granulated sugar and some food additives. Although most tea drinks have the words “original tea†and “containing tea polyphenols†on the packaging, they only contain tea, tea powder, or tea concentrate in the ingredient list. The effective ingredients of tea are only words. Not mentioned. Only 5 tea beverages were marked with the words “tea polyphenol content ≥200 mg/kg†and “tea polyphenol content ≥450 mg/kgâ€.
"The health effects of tea are mainly derived from tea polyphenols. Tea polyphenols can delay aging, inhibit cardiovascular disease, inhibit and counteract viruses, and so tea polyphenol content is an important indicator of tea efficacy." Ms. Shao Said that without tea polyphenols or not enough can not be called tea.
In fact, the amount of tea polyphenols in various types of tea beverages should be based on relevant national standards. China National Standard for Tea Beverage (GB21733-2008) specifies the content of tea polyphenols in tea beverages (tea soup): The content of tea polyphenols in tea beverages (tea soup) should be ≥300 mg/kg, of which the content of polyphenols in green tea tea should be ≥500mg/kg; tea polyphenol content of oolong tea ≥400mg/kg; black tea, tea polyphenol content ≥300mg/kg. The reporter found that compared with the national standard of tea beverages, many tea beverage products with tea polyphenol content were not up to the standard.
Tea experts said that although the national standard for tea beverages stipulates the content of polyphenols in tea, there is no mandatory requirement to label tea polyphenol content on the label. Therefore, some companies have played a "trimming ball" on the content of tea polyphenols.
Ms. Shao said that during the industrialized production of tea beverages, the tea's main nutrient components, tea polyphenols and Vitamins, will be greatly reduced, while the additives such as sugar and flavor added will have less benefit to the human body. Therefore, tea beverages are in nutrients. Not as good as tea.
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