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Active Natural Source: Scientific White Paper on Citrus aurantium Extract
2026-03-12
I. Product Overview
Trifoliate orange (Citrus aurantium var. trifoliata) refers to the dried immature fruit of the bitter orange plant and its cultivated variants within the Rutaceae family. It serves as a key herb in traditional Chinese medicine for regulating qi and aiding digestion. Modern phytochemical research indicates that the core active constituents of Citrus aurantium Extract comprise alkaloids (primarily synephrine) and flavonoid compounds. Owing to its unique metabolism-promoting and smooth muscle-contracting properties, Citrus aurantium Extract has become a significant natural source in functional foods, sports nutrition, and pharmaceutical raw materials.
II. Core Components
1. Synephrine: A naturally occurring alkaloid structurally similar to epinephrine, exhibiting selective β-3 adrenergic receptor agonism.
2. Hesperidin: Strengthens capillaries, reduces vascular permeability, and exhibits anti-inflammatory and antioxidant properties.
3. Naringin: Provides antioxidant effects, regulates lipid metabolism, and contributes a bitter flavour profile.
III. Mechanism of Action
Promotes lipid metabolism: Synephrine activates β-3 adrenergic receptors to enhance adipocyte lipolysis, increase thermogenesis, and elevate energy expenditure, thereby supporting weight management.
Enhancing Gastrointestinal Motility: Citrus aurantium stimulates gastrointestinal smooth muscle, regulates peristaltic rhythms, and alleviates functional dyspepsia and postprandial bloating.
Smooth Muscle Contraction: Exhibits excitatory effects on uterine and vascular smooth muscle, aiding in organ tone elevation.
IV. Significant Efficacy
1. Regulating Qi and Alleviating Distension, Harmonising Spleen-Stomach Function: Adhering to traditional Chinese medicine principles of regulating qi, strengthening the spleen, eliminating food stagnation, and promoting digestion, it alleviates gastrointestinal qi stagnation. It improves abdominal distension, food stagnation, belching, and acid reflux, while enhancing gastrointestinal motility and digestive absorption capacity. Suitable for individuals with spleen-stomach qi stagnation and indigestion.
2. Promotes metabolism and aids body contour management: The core ingredient synephrine facilitates fat breakdown and metabolic processes, elevating energy expenditure while inhibiting adipocyte synthesis and accumulation. Combined with its qi-regulating and bloating-relieving properties, it addresses abdominal distension and bulky physique, offering natural support for weight and body contour management;
3. Promotes Qi and Blood Circulation, Alleviates Bodily Stagnation: Exhibits gentle Qi-moving and blood-activating properties to improve impaired circulation. Relieves discomfort such as chest/abdominal stabbing pains and limb distension caused by Qi stagnation and blood stasis, while aiding microcirculation regulation to enhance metabolic efficiency;
4. Powerful antioxidant properties to safeguard organ health: Flavonoids such as hesperidin and naringin possess exceptional antioxidant capabilities, efficiently neutralising free radicals within the body. This reduces oxidative stress damage to organs including the gastrointestinal and cardiovascular systems, delays functional decline, and protects organ health;
5. Gentle Regulation to Enhance Vitality: Multiple natural ingredients synergistically improve fatigue and lethargy caused by impaired spleen and stomach function. This enhances digestive efficiency, optimises nutrient absorption, and bolsters overall vitality to address suboptimal health conditions.
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