Lonicera caerulea

What's the taxonomical classification of Lonicera caerulea?

Lonicera caerulea belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it is categorized under the class Equisetopsida and the subclass Magnoliidae. Its taxonomic progression continues through the order Dipsacales and into the family Caprifoliaceae. Finally, the plant is defined by its specific biological classification within the genus Lonicera and its unique species designation, caerulea.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Dipsacales
Family Caprifoliaceae
Genus Lonicera
Species caerulea
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Lonicera caerulea has a deciduous, multi-stemmed shrub habit characterized by arching branches that typically reach heights of three to six feet. The leaves are simple, entire, and oppositely arranged, possessing an oval to elliptical shape with smooth margins. During the flowering season, small, tubular, pale yellow blossoms emerge from the woody stems. These flowers give way to distinctive, elongated berries that transition from green to a deep blue or purple hue upon ripening. The overall structure of the plant is somewhat spreading and can form dense, low-growing thickets in its natural habitat.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the temperate regions of northern Asia and parts of North America, spanning from eastern Europe through Siberia to Japan and across much of Canada and the northern United States. It thrives in specific ecological niches such as forest edges, thickets, and riverbanks where moisture is consistent. Within these territories, it is most commonly found in cool, montane, or boreal climates that prevent excessive summer heat. Its range is often dictated by the availability of well-drained, acidic soils found in these northern latitudes. Because it prefers these specific environmental conditions, its distribution remains relatively localized to certain woodland habitats rather than being globally widespread.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant, known as honeyberry, requires well-draining, moist soil and full sun to full shade for optimal fruit production.

It thrives in acidic soil conditions and benefits from consistent watering to prevent drought stress. Because it is a deciduous shrub, it needs a period of winter chilling to ensure successful flowering in the spring. Pruning should be performed in late winter to remove old wood and encourage new growth.

Once established, these bushes are relatively hardy and can tolerate a variety of temperate climates.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant, Lonicera caerulea, provides medicinal value through its flowers, fruit, and leaves. The berries are frequently harvested for their high antioxidant content and are used to support immune health. Flowering parts are sometimes utilized in traditional preparations to address various inflammatory conditions. Additionally, the leaves can be processed into infusions or extracts to treat specific ailments. Each of these components offers unique bioactive compounds for therapeutic use.

According to a study published by "Journal of pharmaceuatical and biomedical analysis", Lonicera caerulea is a shrub native to the Northern Hemisphere whose fruits have a long tradition of being used in traditional medicine. While the flowers are a potential source of diverse phenolic compounds, they have not been previously studied in terms of phenolic content. Using a 2D LC heart-cutting system, a total of 51 compounds were resolved and identified in the flowers as either flavonoids, phenolic acids, or iridoids. A comparison between 3 varieties of Lonicera caerulea flowers showed that the 'Wojtek' variety contained markedly more flavonols and phenolic acids than the remaining 2 varieties. In these flowers, flavonoids were the dominating group of compounds alongside substantial levels of both phenolic acids and iridoids.

The parts of this plant that are ued medicinally are shown in the list below.

  • flowers
  • fruit
  • leaf
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, known as honeyberry, has been utilized by Indigenous peoples of northern Asia and North America for centuries as both a nutritional staple and a medicinal resource.

Native communities traditionally harvested the berries to supplement their diets during short growing seasons due to their high vitamin content. In various folk medicine traditions, the plant was employed to treat digestive ailments and reduce inflammation. Some historical practices also involved using the berries in ceremonial contexts or as a natural dye for textiles.

These long-standing cultural uses underscore the deep connection between regional populations and the plant's ecological role.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Lonicera caerulea?

This plant has anti-inflammatory, antioxidant, hypoglycemic, hypolipidemic, and α-glucosidase inhibitory activities. Its high concentration of polyphenols and flavonoids allows it to scavenge free radicals effectively to prevent cellular damage. The presence of specific bioactive compounds assists in regulating blood glucose levels by inhibiting the enzyme responsible for carbohydrate digestion. Additionally, the plant helps manage metabolic health by reducing lipid concentrations in the bloodstream. These diverse properties make Lonicera caerulea a significant subject for natural therapeutic development.

According to a study published by "Molecular medicine reports", Lonicerat caerulea has long been used as a traditional medicine in China, Japan and northern Russia. The extracts of the leaves (HBL) and branches (HBB) of the plant significantly inhibited the production of pro-inflammatory mediators in lipopolysaccharide (LPS)-stimulated RAW264.7 cells. These inhibitory effects of HBH and HBL were stronger than those of the fruit (HBF). HBH effectively inhibited the phosphorylation of p38, whereas HBL did not inhibit the phosphorylation of ERK1/2 or p38. Both HBL and HBB increased the expression of heme oxygenase-1 (HO-1) protein and activating transcription factor-3 (ATF3) to reduce iNOS and IL-1β expression.

The primary pharmacological activities of this plant are shown in the list below.

  • anti-inflammatory
  • antioxidant
  • hepatoprotective
  • hypoglycemic
  • hypolipidemic
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains medicinal compounds such as anthocyanins, specifically cyanidin-3-O-glucoside and cyanidin-3-glucoside, along with loganic acid and various flavonoid derivatives. These specific anthocyanins are responsible for the deep blue pigmentation of the berries and provide significant antioxidant properties. The presence of loganic acid contributes to the plant's potential therapeutic effects within various biological systems. Furthermore, the high concentration of flavonoid constituents assists in reducing oxidative stress in the body. Together, these chemical components define the functional nutritional profile of Lonocera caerulea.

According to a study published by "Journal of advanced research", Lonicaera caerulea is a prominent medicinal plant and the richest source of functional anthocyanins, particularly cyanidin-3-glucoside. The accumulation of cyanidin-3-glucoside in Lonicaera caerulea is driven by LcUGT78X1, which is regarded as a potent glycosyltransferase. Genome-wide identification shows that three anthocyanin 3',5'-O-methyltransferases, specifically LcOMT2, LcOMT14, and LcOMT20, are responsible for anthocyanin biosynthesis. Additionally, two 3'-O-glycosyltransferases, LcUGT78X1 and LcUGT95P1, are involved in this biosynthetic process. These highly efficient enzymes and signaling pathways facilitate the phytochemical production of this species.

The primary medicinal compounds of this plant are shown in the list below.

  • anthocyanins
  • cyanidin-3-O-glucoside
  • cyanidin-3-glucoside
  • flavonoid
  • polyphenols
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for managing non-alcoholic fatty liver disease, hepatic steatosis, diabetes, cardiometabolic diseases, and metabolic syndrome. Its bioactive compounds work to regulate glucose levels and improve lipid profiles in the body. By addressing these underlying issues, the plant helps mitigate the various complications associated with metabolic syndrome. Researchers often focus on its potential to reduce fat accumulation in the liver during instances of hepatic steatosis. These therapeutic properties make it a significant subject of study for treating complex cardiometabolic diseases.

According to a study published by "Nutrients", Lonicera caerulea has been used for medicinal purposes for thousands of years. The study investigated the effects of honeyberry extract supplementation on HepG2 cellular steatosis induced by 1 mM FFA and in mice fed a 45% high fat diet for 6 weeks. Following the diet, mice were supplemented with 0.5% HBE (LH) or 1% HBE (MH) for 6 weeks. Results showed that HBE suppressed fatty acid synthesis and ameliorated lipid accumulation in HepG2 cells induced by FFA. Additionally, the extract decreased lipid accumulation in the livers of the LH (0.5%) and MH (1%) groups compared to the control. These findings suggest that HBE may actively ameliorate non-alcoholic fatty liver disease.

The main health conditions this plant is used for are shown in the list below.

  • Non-Alcoholic Fatty Liver Disease
  • cardiometabolic diseases
  • diabetes
  • hepatic steatosis
  • metabolic syndrome
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Lonicera caerulea, a species used to create medicinal herbal preparations such as concentrated honeyberry extract and various dried berry infusions. These preparations are primarily utilized for their high antioxidant content and potential to support immune function. Practitioners often process the fruit into syrups or tinctures to preserve the delicate bioactive compounds found within the pulp. Honeyberry extract specifically serves as a potent source of vitamins and anthocyanins in supplemental forms. Regular consumption of these botanical preparations may assist in reducing oxidative stress throughout the body.

According to a study published by "Nutrients", honeyberry (Lonicera caerulea) has been used for medicinal purposes for thousands of years. Its predominant anthocyanin, cyanidin-3-O-glucoside (C3G), possesses antioxidant and many other potent biological activities. In studies involving obesity induced by a 45% high fat diet for 6 weeks, researchers tested supplementation of 0.5% honeyberry extract (LH) and 1% honeyberry extract (MH) for 6 weeks. Honeyberry extract suppressed fatty acid synthesis and ameliorated lipid accumulation in HepG2 cells induced by 1 mM free fatty acids. Furthermore, honeyberry extract decreased lipid accumulation in the livers of mice supplemented with either 0.5% or 1% honeyberry extract compared to the control group. These results suggest that honeyberry extract may actively ameliorate non-alcoholic fatty liver disease.

The main herbal preparations of this plant are shown in the list below.

  • honeyberry extract
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can be consumed without known adverse reactions because there are none documented regarding its health side effects. Current scientific literature lacks extensive clinical trials to identify specific toxicological risks or negative physiological responses. While it is widely used in traditional medicine and as a food source, long-term studies on human safety remain limited. Most available information suggests that the berries are safe for consumption in typical dietary amounts. Consequently, researchers continue to investigate its chemical composition to ensure complete consumer safety.

The main side effects this plant can have are shown in the list below.

  • None documented
Evidence Level: ★☆☆☆☆

What herbs are paired with Lonicera caerulea?

This plant, commonly known as Haskap or Honeyberry, pairs exceptionally well with mint, lemon balm, and lavender to enhance its tart profile.

The intense acidity of the berries benefits from the cooling notes of mint or the bright citrus undertones of lemon balm in syrups and jams. Lavender provides a floral contrast that balances the fruit's deep blue color and earthy sweetness in baked goods. Additionally, pairing these berries with rosemary can create a sophisticated savory profile in sauces or infused oils.

Using these specific herbs helps to elevate the unique flavor complexity of the fruit.

Evidence Level: ★☆☆☆☆