Gardenia Jasminoides Extract Powder

Gardenia jasminoides Ellis extract powder is a natural active ingredient concentrate obtained through standardized extraction processes from the dried and mature fruit of Gardenia jasminoides Ellis, a plant in the Rubiaceae family. Its main active ingredients include iridoid glycosides, flavonoid derivatives, and organic acids.

In the field of dietary supplements, gardenia extract powder is usually produced in a standardized concentration ratio of 30:1, which means that every 30 kilograms of gardenia raw material is extracted and concentrated into 1 kilogram of finished powder. According to existing industry practices, the recommended dosage range for this raw material is 100-500 milligrams per day, and first-time users are advised to gradually adjust from low doses.

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The standardized production process of gardenia extract powder follows the full chain technical route of "raw material pretreatment → selective extraction → separation and purification → concentration and drying → quality testing". The process parameters of each link have a decisive impact on the retention rate and bioavailability of the active ingredients in the final product. The production process is as follows:

 Raw material

 Washing

 Low-temperature drying

 Crushing

 Extraction

 Separation

 Purification

 Concentration

 Drying

 Final product
 

The core value of gardenia extract powder in dietary supplements lies in its diverse biological activities, which achieve systemic health effects by regulating key molecular pathways and signal transduction networks.

1. Anti-inflammatory mechanism: Geniposide inhibits the inflammatory cascade through a dual pathway. Firstly, it can block the activation of the NF-κB signalling pathway and reduce gene transcription of pro-inflammatory cytokines TNF-α, IL-6, and IL-1β. Secondly, geniposide indirectly inhibits NLRP3 inflammasome assembly by activating the Nrf2/HO-1 antioxidant defence axis, thereby reducing caspase-1 activation and IL-18 maturation.
2. Antioxidants and Metabolism: Geniposide enhances mitochondrial biosynthesis and enhances intracellular antioxidant capacity by activating the AMPK-PGC-1α pathway.
3. Neuroprotection: Geniposide intervenes in neurodegeneration through multi-target intervention. Firstly, inhibiting acetylcholinesterase (AChE) activity and enhancing cholinergic neurotransmission; Secondly, reducing the aggregation of A β protein and accelerating A β clearance by upregulating the expression of IDE and NEP degrading enzymes; Thirdly, activating the PI3K/Akt pathway promotes neuronal survival and inhibits GSK-3 β-mediated phosphorylation of tau protein.
4. Cardiovascular Protection: Geniposide exerts a hypotensive effect by inhibiting the activity of angiotensin-converting enzyme (ACE) (IC50 15.8 μg/mL) and blocking L-type calcium channels. In addition, geniposide improves vascular endothelial function by activating the NOS-NO pathway, inhibits vascular inflammation mediated by NF-κB, and has a preventive effect on atherosclerosis.

Gardenia extract powder has demonstrated diversified application value in the fields of dietary supplements, functional foods, pharmaceutical intermediates, and cosmetics due to its broad-spectrum biological activity and good process adaptability.
 In the field of dietary supplements, gardenia extract powder is usually used in single or compound form for liver protection, uric acid reduction, sleep improvement, and emotion regulation products. Based on existing industry practices, the recommended daily dose for a 30:1 standardized extract is 100-500 milligrams, which can be filled into Plant Capsules No. 0 (250 milligrams per capsule) or compressed into tablets (300 milligrams per tablet, with microcrystalline cellulose and magnesium stearate added as excipients).
 Besides, the compound of Gardenia extract, Pueraria flavonoids, and Hovenia dulcis extract was used to develop a tablet candy with sobering and liver-protecting functions. In a mouse model, it can increase the alcohol metabolism rate by 35.2%.
 In the field of functional beverages, gardenia not only provides a natural yellow colour (colour value E=100-200), but its water-soluble extract (5% added amount) can give the product antioxidant claims. Stability data during the shelf life show that under pH 3.5-4.5 conditions, the retention rate of geniposide still reaches 92.3% after 6 months.
 In addition, the extract of Gardenia jasminoides combined with gamma aminobutyric acid (GABA) and theanine can be used to develop solid beverages that improve sleep. The recommended daily intake is 2 grams per bag, containing 200 milligrams of Gardenia jasminoides extract.

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Reference

[1]Swarnalatha Dugasani, M. Pichika et al. "Comparative antioxidant and anti-inflammatory effects of [6]-gingerol, [8]-gingerol, [10]-gingerol and [6]-shogaol." Journal of Ethnopharmacology (2010). [2010-02-03]

[2]Yasuhiro Suzuki, K. Kondo et al. "Antithrombotic Effect of Geniposide and Genipin in the Mouse Thrombosis Model." Planta Médica (2001). [2001-12-01]

[3]Jun Wu, Jiangtao Zhang et al. "Extraction optimization by using response surface methodology and purification of yellow pigment from Gardenia jasminoides var. radicans Makikno." Food Science & Nutrition (2020). [2020-12-04]

[4]N. Thuy, Pham Huynh Nhu et al. "Extraction Optimization of Crocin from Gardenia (Gardenia jasminoides Ellis)Fruits Using Response Surface Methodology and Quality Evaluation of Foam-Mat Dried Powder." Horticulturae (2022). [2022-12-15]