Some questions about Teae folia (Thea sinensis L. seu Camellia sinensis L. Kuntze) as a medicinal raw material

Abstract

One of the most popular plant and beverage is a Thea sinensis or Camellia sinensis (Theaceae) also known as Theae Folia or Green Tea. There are some reasons for it, such that the sensory properties, prices are relatively cheap, stimulant effects, and their potential health benefits. Motherland of this plant is considered the China. This is where people have paid attention to the ability of a decoction of the leaves have a tonic effect on the human body and the first to grow this plant. Tea folia as a medicine are made from unfermented tea leaves and young shoots. This process is fast in special drying machines. Objective: European Pharmacopoeia have monograph Green Tea and the herb that we know as a food drink have as medicine herb now. The objective of research of herbal medicine is the quality and safety of natural products. Materials and Methods: Macroscopical and microscopical features of the leaf and shoots have been analysis using an optical microscope. Phytochemical and physico-chemical analysis were evaluated. The observation of the spectrum profiles is done by interpreting the typical peak that appears. Results: Theae Folia have actinocytic stomata, unicellular trichomes, heterogenous mesophyll which is characterized by the presence of calcium oxalate crystals and sclereid cells. Phytochemical analysis indicated resources the presence of purine alkaloids caffeine and theabromine and many other drugs. The content of caffeine from Teae Folia ethanolic and water extract is differ to time. Conclusion: Pharmacognostic and phytochemicals features established in this study may be used as part of the pharmacopoeial standard, which can play an important role in its standardization.