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How does Sichuan pepper oil compare with other spice and citrus-peppery oils?
Unique trigeminal numbing 'ma' (sanshool) unlike black/pink pepper or ginger; citrusy-camphoraceous top bridges pink pepper softness and black pepper dryness; rattan pepper is greener and more numbing.
Do you provide a Certificate of Analysis (COA) for every batch?
Yes — every batch ships with a full COA: GC-MS identity fingerprint, HPLC sanshool quantification, density/RI/peroxide, safety, and full traceability; issued within 3 working days.
Which botanical species does this Sichuan pepper oil come from, and where is it grown?
Zanthoxylum bungeanum Maxim. (red) / Z. schinifolium (green), Rutaceae, dried pericarps; Dao-di Hanyuan (Tribute Pepper) & Maowen, Sichuan; China's #1 seasoning, ma-la soul of Sichuan cuisine, sanshool numbing signature.
Which oils and accords blend well with Sichuan pepper oil?
Blends with bergamot/lemon/lime, black & pink pepper, ginger, coriander, vetiver, cedar, geranium, elemi; signature: Sichuan pepper + bergamot + black pepper + vetiver + cedar.
How do you ensure batch-to-batch consistency?
GC-MS fingerprint release, HPLC sanshool standardization (target ±5%), fixed Dao-di sourcing with orchard-lot blending, ±10–15% monoterpene tolerance, 36-month retained samples.
How is Sichuan pepper oil used in aromatherapy and TCM practice?
TCM: warm center, dispel cold, relieve pain; aromatherapy warming massage 1–2% with ginger/cinnamon, pain blends with black pepper/eucalyptus; diffuse for comfort; not for pregnancy.
How does this Sichuan pepper oil smell? Describe its full aroma profile.
Intense citrusy-camphoraceous-peppery with mouth-numbing sanshool signature: lemon-lime top, zesty citrus-pepper heart with tingling warmth, warm spicy-woody drydown; the strongest synesthetic numbing-heating herb oil.
What does this Sichuan pepper oil look like — appearance, color, and consistency at room temperature?
Clear to pale yellow-green oily liquid, mobile at room temperature; pale yellow to light greenish yellow; green-pepper grades greener, SFE-CO2 grades fuller; clarified, filtered, sediment-free.
What is your after-sales policy?
12 months after delivery: free formulation guidance, document re-issue, annual re-testing, regulatory support, replace/rework/credit; named account manager; proactive batch advisories.