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Tuesday, April 28, 2020

4/29 How to Get the Most EGCG from Your Green Tea

How to Get the Most EGCG from Your Green Tea

Green tea is a known superfood, primarily for its EGCG content. But did you know that there is huge variation between the content of EGCG in different brands of green tea? That how you prepare and drink the tea can significantly change how much EGCG it imparts? And that your microbiome also influences how beneficial the EGCG effects are?
EGCG supplements are a useful tool in functional medicine, packing a powerful punch that can enhance a patient’s therapeutic program. However, we can all reap the benefits of EGCG by consuming dietary sources.

What’s the big deal with EGCG?

EGCG, which stands for epigallocatechin gallate, is a polyphenol (read “amazing plant compound”) with potent health protective effects against the following diseases and more:
It is also a powerful adaptogenic modulator of our epigenetics, which regulate how our genes are expressed.

How to brew a tea that is higher in EGCG

Brewed tea contains the highest concentration of EGCG, and its concentration increases with brewing time.
To maximize EGCG content, pour boiling water (not just hot water) over a green tea bag and let steep for 10 minutes before removing the bag and drinking.
The only trade off with increased brewing time is a slight increase in bitterness. If you want to counteract this, try a little bit of lemon juice or sliced lemon, or add a lemon verbena tea bag while brewing.

Choosing the right brand of green tea

Teavana Green Tea Gyokuro has been found to have the most EGCG but is also one of the most expensive brands.
Amongst other, more readily available brands, Celestial Seasoning and Lipton green tea beat Bigelow and Stash brands.
Decaf, pre-mixed green teas, or flavored green teas contain much less EGCG than freshly-brewed tea, and may also have undesirable extra ingredients.
Organic teas are also a good choice, with good brands being Choice or Traditional Medicinals.

When to consume green tea

EGCG, like other catechins, binds to proteins in our food to form complexes that are less absorbable into our bloodstream. Therefore, to reap the most benefit from green tea, it’s best to consume between meals rather than directly with food.
EGCG can also bind with minerals in our food such as iron reducing its absorption too—yet another reason to drink your green tea separately from other foods.

Will my green tea keep me up at night?

Green tea contains much less caffeine than black tea or coffee. However, it does still contain some caffeine, so if you’re sensitive you may want to limit your consumption to the morning hours. Big bonus, though—if you’re looking to cut back on your caffeine consumption, green tea is a nice alternative that still packs a little caffeine punch.
Here’s how the caffeine content of green tea compares with alternatives:
BeverageCaffeine per 8 oz cup
Green tea35-70 mg
Black tea60-90 mg
Coffee150-200 mg

Alternative sources of EGCG

Did you know that green tea is not the only source of EGCG? While green tea is relatively more potent, you can also find a reasonable amount of EGCG in white tea and oolong tea.
Some other foods such as strawberries, raspberries, blackberries, plums, peaches, kiwi, and avocado also contain small amounts of EGCG.

How does this connect with my microbiome?

A healthy microbiome is likely essential for optimizing the benefits of all dietary polyphenols including EGCG. These gut organisms are known to convert polyphenols into many different derivatives that have altered absorption properties and activities in the body.

Summary: top 3 tips for maximizing EGCG benefits:

  1. Choose brewed green, oolong or white tea and steep for 10 minutes
  2. Consume away from other meals
  3. Keep your microbiome healthy with a diet rich in plant foods, avoiding processed and sugary foods

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