Humulus lupulus
Humulus lupulus · Accepted scientific name
Scientific literature: Very Sparse (20 studies) · ★☆☆☆☆
Humulus lupulus, commonly known as hops, is a versatile plant utilized extensively for its medicinal potential in various therapeutic applications. The flowers and leaves of this species serve as primary sources for bioactive compounds, including flavonoids, xanthohumol, (-)-catechin gallate, and 1-epi-cubenol. Researchers frequently utilize ethanol and aqueous extracts to harness the plant's diverse biological activities, such as its anticancer, antioxidant, antiviral, and antibacterial properties. Clinical observations suggest these preparations can be effective in managing anxiety and combating pathogens like Staphylococcus aureus. Through these specialized extracts, the plant continues to demonstrate significant promise in addressing complex oxidative and infectious conditions.
- Synonyms
- Lupulus Humulus · Lupulus Communis · 6 more
- Common names
- Not available
- Family
- Cannabaceae
- Distribution
- Not available
- Plant Parts
- Flower · Leaf
Classification
Common Names
Humulus lupulus is a versatile plant known by various names depending on the regional language and local tradition. In English-speaking regions, it is most frequently referred to as the Common Hop. Moving into German-speaking areas, the plant is commonly identified as Gewöhnlicher Hopfen or simply Hopfen. In Denmark, it carries the specific common name Almindelig humle. These diverse linguistic labels all point to the same essential botanical species used widely across the globe.
Sources: Catalogue of Life (COL)
Synonyms
Humulus lupulus is a versatile plant known to encompass several different botanical synonyms within its taxonomic classification. This species includes notable varieties such as Humulus lupulus var. acrocarpus and Humulus lupulus var. effusus. Additionally, the plant is associated with the distinct variety Humulus lupulus var. silvestris, showcasing its diverse genetic range. Other recognized names for this species include the specific cultivar Humulus lupulus var. spaltensis and the broad synonym Humulus vulgaris. Understanding these varied designations is essential for accurate botanical identification and study.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Humulus lupulus is a remarkable organism that belongs to the diverse kingdom Plantae. Within this vast biological group, it is specifically classified under the class Equisetopsida. This plant is further organized into the order Rosales, showcasing its evolutionary connections. As a member of the genus Humulus, it occupies a distinct niche in the natural world. Finally, it is nested within the Cannabaceae family, completing its unique botanical identity.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Rosales |
| Family | Cannabaceae |
| Genus | Humulus |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Humulus lupulus exhibits a diverse geographical range that spans across several distinct regions of the world. In Africa, the species can be found specifically within Northern Africa and Morocco. Moving into the Asian-Temperate zone, its presence is well-established throughout the Caucasus, including the North Caucasus and Transcaucasus regions. The plant also flourishes in Central Asia, with documented populations in both Kazakhstan and Kirgizstan. This broad distribution highlights the adaptability of the species across varying continental climates.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Humulus lupulus is characterized as an herbaceous plant that relies on an obligatory climbing habit to thrive. This vigorous grower reaches impressive vertical dimensions, typically spanning a height range between 2 m and 8 m. While some specimens may remain relatively compact, many healthy plants consistently achieve a height of at least 5.5 m. Such structural growth patterns allow the species to navigate its environment effectively through climbing. Ultimately, these physical attributes define the unique biological profile of this climbing herb.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Humulus lupulus, commonly known as hop, possesses a diverse range of medicinal properties that make it a subject of significant scientific interest. Research highlights its potent antioxidant and antimicrobial activities, which can be utilized to combat various pathogens and promote human health. Furthermore, the plant has demonstrated significant anticancer potential, offering a natural pathway for chronic disease management. Studies have also identified its antiviral capabilities, specifically in inhibiting key proteins of the SARS-CoV-2 virus. Beyond these therapeutic uses, the phytochemical profile of the plant also includes anaphrodisiac properties, contributing to its complex biological utility.
Compounds
Humulus lupulus is a versatile plant known for its diverse phytochemical profile, which includes several important bioactive compounds. This species is a significant source of flavonoids, which have been shown to correlate positively with its antimicrobial properties. Among its specific constituents, the plant contains the chalcone xanthohumol, a compound recognized for its potential in cancer chemoprevention and detoxification. Additionally, the plant yields prenylated flavanones such as 6-prenylnaringenin and 8-prenylnaringenin. The complex chemical makeup of its essential oils is further characterized by the presence of 1-epi-cubenol, contributing to its multifaceted biological effects.
Conditions
Humulus lupulus is utilized in nutritional products and botanical supplements to effectively manage menopausal symptoms. The plant exhibits significant antimicrobial properties, specifically demonstrating the ability to inhibit the growth of Staphylococcus aureus. Research also highlights its potent anti-inflammatory effects, which include the reduction of nitric oxide levels and cyclooxygenase-2 protein expression. Additionally, its bioactive compounds provide antioxidant benefits by reducing intracellular reactive oxygen species. Finally, Humulus lupulus serves as a medicinal resource for treating anxiety and other neurological disorders due to its sedative and anxiolytic properties.
Preparations
Humulus lupulus is prepared as various types of extracts to utilize its medicinal properties in different biological studies. It is prepared as ethanol extracts to investigate its effects on neuritic outgrowth and antimicrobial potential. The plant is also prepared as an aqueous extract to evaluate its potential inclusion in cosmetic formulations due to its antioxidant and anti-inflammatory activities. Furthermore, Humulus lupulus is prepared as an aqueous-methanolic extract (1:1; v/v) to screen for acetylcholinesterase inhibitory activity. These diverse preparation methods, including general extracts, allow researchers to explore the plant's efficacy in treating conditions ranging from dermatitis to central nervous system disorders.
Parts used
Humulus lupulus is a versatile plant that offers significant biological potential through its various anatomical components. Researchers frequently utilize the flower parts, often referred to as hops or cones, to extract bioactive molecules like α-acids and rutin for medicinal and cosmetic use. Additionally, the leaf extracts of the species serve as effective agents in the green synthesis of silver-based nanoparticles for antimicrobial applications. Studies have shown that both the flowers and leaves contain high concentrations of beneficial compounds, including flavonoids and phenolic acids. By leveraging these specific plant parts, scientists continue to explore new ways to harness the antioxidant and photoprotective properties of the species.