Tinh dầu rhododendron — sunpati lá Himalaya

Bảo quản

Bảo quản nơi tối, mát

Innocenti et al (2010) demonstrated cytotoxic activity against human ovary, cervix, and colon cancer cell lines in vitro; δ-cadinene (9.1%), β-caryophyllene, germacrene D, and (+)-limonene (13.3%) each carry anticarcinogenic constituent-class signals per B216 Ch.14.

Ref: Innocenti et al 2010; B216 Ch.14 δ-cadinene, β-caryophyllene, germacrene D, (+)-limonene anticarcinogenic profiles

α-Pinene (37.4%) + β-pinene (16.0%) enhance mucociliary clearance and loosen respiratory secretions via pinene-class mechanism; Tibetan/Nepalese traditional smoke-fumigation use in high-altitude respiratory contexts corroborates this profile.

Ref: class-extrapolation from fir-needle and larch-needle (B216 Ch.14 α-pinene + β-pinene mucolytic class); Tibetan + Nepalese ethnobotany

β-caryophyllene (secondary constituent) acts as a selective CB2 cannabinoid-receptor partial agonist suppressing NF-κB-mediated cytokine signaling; α-pinene additionally inhibits acetylcholinesterase and shows COX-1 inhibition in preclinical models.

Ref: class-extrapolation from copaiba (β-caryophyllene CB2 mechanism, B216 Ch.14); class-extrapolation from fir-needle (α-pinene anti-inflammatory class, B216 Ch.14)

Monoterpene-rich EOs including α-pinene are associated with reduced anxiety and cortisol response via limbic modulation through olfactory pathways; traditional Tibetan/Nepalese sacred-incense use during meditation and ritual ceremony aligns with a grounding-anxiolytic profile.

Ref: class-extrapolation from Scots pine / conifer-needle EOs (α-pinene anxiolytic class); Tibetan + Nepalese ethnobotany

α-pinene (37.4%) disrupts bacterial cell membrane integrity and inhibits isoprenoid-pathway bacterial targets; β-pinene (16.0%) and (+)-limonene (13.3%) contribute synergistic membrane-disruptive antimicrobial effects across the combined pinene class.

Ref: class-extrapolation from kanuka and larch-needle (α-pinene + β-pinene antimicrobial class, B216 Ch.14); Tisserand & Young 2014, Ch.14

α-pinene, β-pinene, and (+)-limonene exhibit free-radical scavenging activity in preclinical in vitro models; however, the dominant monoterpene fraction's autoxidation susceptibility limits practical antioxidant claims for the oxidation-sensitive bulk oil.

Ref: class-extrapolation from Pinaceae conifer-needle EOs (B216 Ch.14 α-pinene + (+)-limonene antioxidant class); Tisserand & Young 2014, Ch.14