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Local Literatures

According to Guzman and co-researchers (2020), green tea, a popular beverage


and nutritional supplement derived from Camellia sinensis leaves, has a diverse range
of phytochemicals that are responsible for its numerous uses. Polyphenols, mostly
catechins, account for around 30% of its overall composition, with Epigallocatechin-3-
gallate (EGCG) accounting for 65% of total catechin content. Previous research found
that polyphenols from tea might suppress AHL-mediated QS and biofilm development in
Chromobacterium violaceum and Pseudomonas aeruginosa.

Moreover, Arnaldo (2022) that green tea is acclaimed as one of the world's
"healthiest drinks," with its earthy, clean, mellow flavor, vivid green color, 35 mg of
caffeine, and other health advantages. Green tea's EGCG catechins act in tandem with
L-theanine, a molecule that improves caffeine's concentration powers while also
keeping an individual calm, either taken after meals to boost metabolism and balance
blood sugar levels, or during the day to wake up the brain's blood vessels.

Local Studies
According to Gaas (2021) that drinking green tea may improve skin health, aid in
weight reduction, and lower the risk of cardiovascular disease. Green tea also contains
less caffeine than coffee, yet enough to have an impact. It also includes the amino acid
L-theanine, which can increase brain function when combined with caffeine.
Furthermore, the bioactive chemicals in green tea may have a variety of brain-protective
benefits. They may lower the risk of dementia, a prevalent neurodegenerative condition
among the elderly. In ancient Chinese and Indian medicine, green tea was used to
control bleeding and cure wounds, help digestion, promote heart and brain health, and
regulate body temperature.

As Bunag (2023) mentioned that because of its numerous stated advantages,


several studies have been done to see whether green tea may truly help or prevent
illnesses such as diabetes, cancer, and, of course, hypertension. Researchers
discovered that consuming green tea reduced systolic BP by up to 1.98 mmHg and
diastolic pressure by up to 1.92 mmHg in numerous meta-analysis studies. In another
study, obese, hypertensive subjects were given 379 mg of green tea extract. After 12
weeks of therapy, both systolic and diastolic blood pressure dropped by roughly
4mmHg.
Synthesis
Green tea, a popular beverage and nutritional supplement derived from Camellia
sinensis leaves, contains a diverse range of phytochemicals that are responsible for its
numerous uses. Green tea is also regarded as one of the world's "healthiest drinks,"
thanks to its earthy, clean, mellow flavor, vivid green color, 35 mg of caffeine, and other
health benefits. The EGCG catechins in green tea work in unison with L-theanine, a
chemical that boosts caffeine's concentration abilities. Green tea's bioactive compounds
may have a number of brain-protective properties. They may reduce the risk of
dementia, a common neurodegenerative disorder among the elderly. Moreover, several
studies have been conducted to determine whether green tea may genuinely aid in the
treatment or prevention of diseases such as diabetes, cancer, and, of course,
hypertension.

References:
Arnaldo, S. (2022, May 17). The beginner’s guide to the world of tea.
RAPPLER.https://www.rappler.com/life-and-style/food-drinks/beginner-guide-tea/

Bunag, L., RN. (2023, March 13). What’s the best herbal for high blood pressure? Try
these. Hello Doctor. https://hellodoctor.com.ph/herbals-and-alternatives/herbal-
medicines/herbal-for-high-blood/

Gaas, M. C. a. G. (2021, June 28). The Potential Health Benefits of Green Tea that You
Need to Know. National Nutrition Council. Retrieved November 5, 2023, from
https://www.nnc.gov.ph/regional-offices/mindanao/region-ix-zamboanga-peninsula/
5528-the-potential-health-benefits-of-green-tea-that-you-need-to-know

John Paul Matthew D. Guzman, Trisha Pamela L. De las Alas, Margie C. Lucban,
Christine Eden C. Sevilla. Green tea (Camellia sinensis) extract inhibits biofilm
formation in acyl homoserine lactone-producing, antibiotic-resistant Morganella morganii
isolated from Pasig River, Philippines. Heliyon. Volume 6, Issue 10, 2020, e05284: ISSN
2405-8440. https://doi.org/10.1016/j.heliyon.2020.e05284.
(https://www.sciencedirect.com/science/article/pii/S2405844020321277)

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