In this thesis we present the honey locust (Gleditsia triacanthos), a deciduous tree native to North America, which is now widespread globally due to its ornamental value. The tree can grow up to 50 meters. It is recognizable by its long, sharp thorns and large pods containing seeds surrounded by a sweet pulp. The honey locust is valued for its hard wood, used in furniture making. Traditionally, its pods are used as a sweetener and animal feed. The tree also poses certain risks, including physical injuries from its thorns and, to a lesser extent, potential toxicity to humans and animals. The aim of this thesis is to examine the beneficial properties of the tree and highlight potential risks. Literature review indicates that the honey locust seeds and fruit contain high levels of sugars, protein, oils, fatty acids and fibers. Additionally, the plant contains important secondary metabolites, such as alkaloids, saponins, tannins, and flavonoids, which have potential for use in medicine and pharmacy. The gum from the seeds, rich in galactomannans, is useful in the food and pharmaceutical industries. Extracts from various parts of the plant exhibit anti-inflammatory, antioxidant and anticancer properties. The leaves of the honey locust contain significant amounts of the alkaloid triacanthine, which can cause digestive issues and poisoning, while the seeds contain a high concentration of tannins, which can lead to digestive disturbances if consumed in excessive amounts.
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