富硒茶茶汤硒浸出率研究

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Study on Selenium Leaching Rate in Selenium-Rich Tea Soup

YANGLin，LIUXiangwei，WANGWei，CHENWania （Wanyuan Selenium-Rich Product Inspection Center， Wanyuan 636350， China）

Abstract： Selenium is an essential trace element for human body， which cannot be synthesized by human body itself，so itneeds tobesupplementedbyexteralchannels.Seleniumrichteaisrich inselenium，andthehumanbody obtains selenium fromselenium rich tea mainly through the selenium dissolved in tea soup.The effcts of diffrent soaking time （5，10，15 min and 20min ）， brewing temperature （70， 80， 90∘C and 100∘C ）， tea-water ratio （1：40 ， and brewing times （1， 2， 3 times） on the leaching rate of selenium were investigated.Theresults showed that the leachingrate of selenium in selenium-rich tea was the highest when the soaking time was 10min ，the brewing temperature was 100‰ and the ratio of tea to water was 1：60（g：mL） ： And brew up to 2 times to achieve the purpose of selenium supplementation for the human body.

Keywords： selenium-rich tea; selenium; leaching rate

茶是我国的一种重要经济作物，也是我国传统饮品之一。（剩余3825字）