In vitro antiviral activities of fruit extract from and methylxanthines extracted from and tea leaves.

Based on traditional medicine, many countries use various plant products (fruits, leaves and other plant parts) as food supplements or in the form of tea. The use of these plant sources has been established through the years of use and the proven benefits of their ingredients to improve human health.

Protective Effect of Methylxanthine Fractions Isolated from Tea Leaves against Doxorubicin-Induced Cardio- and Nephrotoxicities in Rats.

is an anthracycline antibiotic that is used for the treatment of various types of cancer. However, its clinical usage is limited due to its potential life-threatening adverse effects, such as cardio- and nephrotoxicities. Nonetheless, simultaneous administration of and antioxidants, such as those found in leaves, could reduce cardiac and renal tissue damage caused by oxidative stress.

Antioxidant Activity and Antiproliferative Effects of Lycium barbarum's (Goji berry) Fractions on Breast Cancer Cell Lines.

Background: Lycium barbarum has gained immense popularity over the past decade because of its antioxidant properties. There are many reports of observed health benefits of juice consumption, including prophylaxis in neoplastic disease and treatment of tumors.

Materials And Methods: In this study, we isolated three fractions of Lycium barbarum fruits - total water, pectin-free and polysaccharide, and determined their antioxidant activity by ORAC and HORAC assays.