Cook your fruit to nullify the tannins. The ingredients make up this dietary supplement and can contribute to digestive health. The leaves of the persimmon fruit are also high in vitamin C, tannins and fiber, ... Pu-erh Tea: Benefits, Dosage, Side Effects, and More. The persimmon leaf is noted for its use in China, Japan and Korea, for centuries and centuries, thousands of years, to brew a body beneficial tea. Persimmon leaves are small to medium in size and broad, ovate, or lanceolate in shape, averaging 12-17 centimeters in length and 5-10 centimeters in width. They could form a bezoar in your stomach, clumping and clogging up. There are no explicitly mentioned side effects of this tea from Total Life Changes. Persimmons that have a lot of tannins are actually a health risk. The main compositions of persimmon leaves were flavonoids, terpenoids, etc. The persimmon tree leaves have received a lot of scientific attention lately. One study found the leaves to have “antihypertensive and vasorelaxant effects.” Biomedicine & Pharmacotherapy – Malva leaves have both laxative and antioxidant properties. Food Chem Toxicol. Well, if the delicious persimmon leaves you puckering and scraping tannin at the side of your mouth, then there are a couple things you can do. Results. The leaves grow in an alternate pattern and are flat, glossy, and stiff with smooth edges that taper to a point on the non-stem end. Purchase Fuyu persimmons, not Hachiya. Persimmon leaves have played an important role in Chinese system of medicines. Persimmon leaves extract is often used to enhance metabolism and cancer prevention.It also enhances immunity and promotes healthy digestion. Iaso Tea Side Effects. Bioscience, Biotechnology, and Biochemistry – The fruit and its leaves have been found to have some health benefits as well. Scientific studies on extracts and formulations revealed a wide range of pharmacological activities, such as, antioxidative, hypolipidemic, antidiabetic, antibacterial, hemostasis activities and effects on cardiovascular system. The tannin reacts to acid, and the … Side Effects & Safety ... Leaves, flowers, immature fruits and leafy flowered stems of Malva sylvestris: a comparative study of the nutraceutical potential and composition. Medically reviewed by Kathy Warwick, RD, LD. Persimmon leaves; Papaya extract; Malva leaves; Blessed thistle; Marshmallow; Myrrh; Chamomile; Ginger; Overall, it has a mild taste.