Tinh dầu Petitgrain

Vùng trồng / sản xuất tại VN

Cam đắng trees present in: Hà Giang, Lào Cai, Lạng Sơn (northern highlands); Tiền Giang, Vĩnh Long (Mekong Delta); primarily ornamental, some traditional cultivation. No dedicated leaf-harvesting-for-distillation operations known.

Trong Y học cổ truyền VN

Cam đắng leaves (lá cam đắng) used in traditional southern Vietnamese herbal baths (tắm lá) for postpartum women — calming, antimicrobial, and aromatic; leaf bundles boiled with other herbs - Trà lá cam — folk herbal tea from fresh/dried bitter orange leaves; traditional mild sedative and digestive remedy in Southern Vietnam (Mekong region) - The specific EO (petitgrain extract) is a modern, imported aromatherapy product; traditional use was whole-leaf infusion, not concentrated EO - Not listed

Bảo quản

Amber glass; <25°C preferred; away from direct sunlight; nitrogen flush optional; shelf life 2–3 years sealed; 12–18 months opened (esters hydrolyse slowly on prolonged storage/oxidation); store away from heat — linalyl acetate stable but linalool oxidises to allergenic hydroperoxides

Linalool modulates GABA-A receptors reducing CNS excitation; linalyl acetate hydrolysed to linalool in vivo adding bioavailable anxiolytic action; Citrus aurantium EO (petitgrain/leaf fraction) demonstrated significant anxiolytic effect in EPM test and reduced anxiety in clinical public-speaking model via nebulisation.

Ref: PMC6304613; PMID 37039741

High ester content (linalyl acetate 40–72%) acts directly on smooth and striated muscle, reducing spasm; clinically relevant for IBS-type cramping, muscular tension, and dysmenorrhoea when applied topically.

Ref: Madetlen.com monograph; Tisserand & Young p.361

Demonstrated antibacterial activity against B. subtilis, S. aureus, S. epidermidis, P. vulgaris at MIC 0.63–5.0 mg/ml; antifungal against A. niger and P. expansum; used in natural deodorant formulations for odour-causing bacteria control.

Ref: Herba Polonica 2017 (DOAJ:758cdfe9)

Prolongs barbiturate-induced sleep in animal models; linalool reduces corticosterone; linalyl acetate has direct CNS depressant synergy with linalool.

Ref: PMC6304613

Linalool and linalyl acetate balance sebum production; antimicrobial effect on acne-causing C. acnes; suitable for oily/acne-prone skin formulations.

Ref: Lush VN cosmetic review; PMC10180368

Limonene and linalool contribute free-radical scavenging; relevant in anti-aging skincare context.

Ref: PMC6270488 (Citrus volatile antioxidant review)