Lote leaves are a part of the Ziziphus jujuba (Lotus tree or nabak) which is an important medicinal plant used as a natural cure for various diseases and a source of many nutrients to humans. This plant has been mentioned in the ahadith as a source of natural cures for many illnesses and has a wide range of health benefits.
Scientific reports have revealed that the major components isolated from different parts of Z. jujuba, including polyphenols, cyclopeptide alkaloids, dammarane saponins, vitamins, minerals, amino acids, and polyunsaturated fatty acids are responsible for its bioactive properties including antimicrobial, antioxidant, hypoglycemic, and immunomodulatory effects. However, more research is needed to confirm these findings.
Gastric ulcer is a gastrointestinal disease characterized by inflammation and default of the defense mechanism in the stomach which leads to an increased secretion of acid, resulting in the erosion of the mucosa . Several in vivo studies have shown that aqueous extracts of Z. jujuba roots, leaves, and fruit protected against ulcerogenic stimuli in the Wistar rats stomachs. 
Diabetes is a chronic disease that can lead to serious complications if left untreated. A study found that a compound from lotus leaf reduced blood sugar levels in diabetic rats more than a standard medication, suggesting that the plant might be useful in treating diabetes . More research is needed to confirm this finding. Lote leaves