Green Tea Induced Asthma

Tea-dust induced asthma.

A 55-yr old female worker in a tea-packing production line developed asthma to tea-dust. She had no previous history of chest disease, and skin prick testing to a solution of tea-dust and to a variety of common allergens were all negative. Diagnosis was established by serial peak expiratory flow rate readings. Bronchial provocation challenge with tea-dust demonstrated a late asthmatic reaction.

Epigallocatechin gallate. The major causative agent of green tea-induced asthma.

We describe three patients who worked in green tea factories and developed asthmatic and nasal symptoms after exposure to green tea dust. To clarify what component(s) of green tea leaves might be responsible for causing asthma, we prepared catechins, the major components of green tea leaves. Epigallocatechin gallate (EGCg; MW: 458 daltons), a major catechin, was purified by high-performance liq...

Effect of Green Tea Extract on Exercise-Induced Inflammatory Markers

Background and Aim: Intensive resistance trainings cause the production of many free radicals and pre-inflammatory cytokines in athletes and military personnel. These factors may cause many complications for the athlete. In recent years, the use of anti-inflammatory compounds made of herbal extracts has been considered to reduce these inflammatory factors. The purpose of this study was to evalu...

Green Tea Protects Testes against Atrazine-induced Toxicity in Rat

Background: Atrazine (ATZ) is a common herbicide in agriculture for control of grass and broad-leaved weeds. It persists in the environment and causes reproductive problems in both human and animals. The present study was aimed at protective effect of green tea against ATZ toxicity in the reproductive system of male rats. Methods: The present study was performed in Veterinary School, Shahid ...

Green tea: a tea or a remedy?