If not taken with sugar, the alkaline nature of green tea helps reduce the blood glucose level. Moreover, the antioxidant and astringent qualities of green tea ensure good health and better functioning of the pancreas. Improving the function of the pancreas means a more efficient and regulated secretion of insulin and the subsequent improvement in decomposing and absorbing of sugar. This increase in effective functions can help prevent the onset of diabetes.
The Chinese scholar Lu Yu in his Cha Shung, the earliest treatise on tea, says, "When feeling hot, thirsty, depressed, suffering from headache, eye ache, fatigue of the four limbs or pains in the joints, one should only drink tea. Tea tempers the spirit, harmonizes the mind, dispels lassitude, relieves fatigue, awakens thought, prevents drowsiness and refreshes the body and mind." What else would be the most effective way to help you cope with the stress of day to day living in today's competitive world?
The risks associated with green tea are the same as those associated with any other kind of tea (common black tea, White Tea etc.) and are primarily due to the content of caffeine and tannin. The contraindications may vary with the percentage of caffeine and tannins in it. Most people might be familiar with these adversities, but it is still important to review and summarize the components responsible, as well as the associated risks.
Matcha is treated with a light-controlled process in the last few weeks before harvest. Shading the green tea plants stimulates an increase in the chlorophyll production in the leaves and gives Matcha Green Tea its rich emerald color. The lack of sunlight also brings about the amazing health benefits associated with Matcha by increasing the naturally-occurring levels of antioxidants, chlorophyll, caffeine, and L-Theanine.
Grown under shade for three weeks prior to plucking, gyokuro is one of the most exclusive varieties of tea produced in Japan. The shading technique imparts a sweeter flavor, and produces a particularly rich color thanks to the higher amounts of chlorophyll in the shaded leaf. Gyokuro tea is associated with the Uji region, the first tea-growing region in Japan. It is often made using smaller-leaf cultivars of the tea plant.