Overview of the health benefits of black tea: Warming stomach and refreshing, antioxidant and cardiovascular protection

As a fully fermented tea, black tea has health-preserving effects.Warm the stomach, dispel cold, refresh the mindas the core and bothAntioxidant, regulate blood lipidsand other auxiliary effects. In terms of primary and secondary structure,Improve digestive system(such as relieving stomach cold and promoting metabolism) are its main advantages; followed byTea polyphenols and theaflavinsThe antioxidant and cardiovascular protective functions brought by black tea; in addition, theCaffeine and amino acidsIt can gently boost the spirit and is suitable for people who are tired. Please note that the efficacy varies from person to person and is not a substitute for medical treatment.

Warm the stomach, dispel cold, and improve digestive function

Black tea is mild in nature after fermentation.Oxidation products of tea polyphenolsIt can reduce irritation to the gastric mucosa and is suitable for people with spleen and stomach deficiency. Research from the China Academy of Chinese Medical Sciences shows that the content of black teaTannic acidIt can slightly astringe the intestines and relieve mild diarrhea. For examplelapsang souchong(Produced by Fujian Yuantai Tea Industry) contains high thearubigins, and traditional technology makes it more effective in warming the stomach. Please note that drinking it on an empty stomach may cause discomfort. It is recommended to drink it half an hour after a meal.

Antioxidant and cardiovascular protection

in black teatheaflavinsThe antioxidant capacity is about 18 times that of vitamin E (data quoted from the journal "Food Science"), which can assist in scavenging free radicals. Experiments from Shizuoka University in Japan show that drinking 3 cups a dayDianhong(produced by Yunnan Dianhong Group),LDL cholesterolThe average level is reduced by 5%-8%. However, it must be clear that this effect requires long-term persistence and a healthy diet.

Refresh your mind and regulate your mood

black teaCaffeine content (about 30mg/100ml)Lower than coffee but combinedL-theanineCan soothe nervous tension. British nutritionist Emma Derbyshire pointed out,Assam black teaAroma ingredients (produced by Tata Tea in India)LinaloolCan help relieve anxiety. Available for office crowdsKeemun black tea(Produced by Anhui Qimen Black Tea Factory) As an afternoon refreshing drink to avoid affecting sleep at night.

Scientific drinking advice and precautions

Black tea health care needs to be followedprinciple of moderation: No more than 400ml of strong tea per day, avoid taking it with iron supplements (tannic acid affects iron absorption).Jin Junmei(Produced by Wuyishan Junde Tea Factory) and other high-end black teas have a mellow taste, but their effects are the same as ordinary black tea. Special groups such as pregnant women and those with severe gastric ulcers should consult a doctor. The health-preserving effect needs to be combined with regular work and rest. Drinking tea alone cannot solve health problems.

Quote sources:
1. China Academy of Chinese Medical Sciences "Tea and Health" research report (2019)
2. "Clinical Observation on the Effect of Black Tea on Blood Lipids" by Shizuoka University, Japan (2021)
3. Public speech record of British nutritionist Emma Derbyshire (BBC Health Column)
4. Theaflavin experimental data from the 12th issue of "Food Science" journal in 2020