Camellia sinensis
(Green tea)
Therapeutic Actions:
- Antibacterial against gram positive and negative bacteria
- Binds and neutralizes free radicals due to hydroxyl groups
- Blocks inflammatory responses to ultraviolet A and B radiation
- Blocks interaction of growth factors and tumor-promoting hormones with receptors
- Chelates metal ions like iron
- Chemoprotective or inhibitory against cancer, including:
Bladder
Leukemia
Liver
Lung
Oral leukoplakia
Ovarian
Skin
- Increases Lactobacilli and Bifidobacteria and decreases Bracteroidaceae, Enterobacteriaceae and eubacteria
- Induces hepatic phase II enzymes
- Inducts apoptosis of several cancer cells
- Inhibits alpha-amylase and sucrase
- Inhibits biochemical markers of tumor initiation and promotion
- Inhibits cell replication
- Inhibits cyclooxygenase, lipoxygenase and angiotensin converting enzyme
- Inhibits dense cell formation in sickle cell anemia
- Inhibits DNA damage by psoralen/ultraviolet A radiation in psoriasis patients
- Inhibits formation of nitrosamines from amino acids and nitrite food additives
- Inhibits growth of mammary cancer cell lins
- Inhibits histidine decarboxylase
- Inhibits interaction of estrogen with receptor sites
- Inhibits lipases and reduces lipolyis of triglycerides
- Inhibits neutrophil migration that occurs in the inflammatory process
- Inhibits production of arachidonic acid metabolites, including leukotrienes and pro-inflammatory prostaglandins
- Preventative against cancer, including (the studies are not conclusive):
Breast
Colon
Esophagus
Pancreas
Prostate
Stomach
- Prolongs sympathetic stimulation of thermogenesis
- Stabilizes collagen
- Stimulates glutathione peroxidase and catalase
Clinical Indications:
Contraindications:
- Individual may experience caffeine symptoms including nervousness, insomnia, anxiety or irritability
- Lactating women due to avoid sleep disorder in infant due to caffeine
- Pregnancy due to caffeine constituent
Drug/Nutrient Interaction:
Chemical Constituents:
- Caffeine - 10-100 mg/cup
- Catechin polyphenols:
Epicatechin
Epicatechin-3-0-gallate
Epigallocatechin
Epigallocatechin-3-0-gallate (anticarcinogenic)
Gallocatechin-3-0-gallate
Methyl-epigallocatechin-3-0-gallate
- Chlorophyll
- Flavonoids
- Fluoride
- Lignin
- Organic acids
- Polyphenols - 300-400 mg/cup
- Polysaccharides
- Proanthocyanidins
- Protein
- Theanine
- Vitamin C
- Vitamin E
Toxicity:
Copyright 1998 - 2008 by L. Vicky Crouse, ND and James S. Reiley, ND. All rights reserved (ISSN 1527-0661).