Which botanical species does this green mandarin oil come from, and where is it grown?
This green mandarin oil is cold-pressed from the fresh unripe peel of Citrus reticulata Blanco var. unshiu — the small green fruits known in China as Xiao Qing Gan or Qing Pi. The botanical identity is registered under GB/T 39009-2020 (ISO 4720:2018) under Citrus reticulata Blanco.
Species & Origin
| Item | Detail |
|---|---|
| Botanical name | Citrus reticulata Blanco var. unshiu (Xiao Qing Gan / green unripe mandarin) |
| Family | Rutaceae (rue or citrus family) |
| Part used | Fresh unripe green fruit peel (cold-pressed) |
| Product code | TPS-RO-012 |
| Main origin | Guangdong Xinhui (Chachiensis tea-branch mandarin), Zhejiang, Fujian, Sichuan — China |
| Comparison origin | Sicily, Italy (Italian Green Mandarin, the international prestige grade) |
| Common names | Green Mandarin / Green Tangerine / Unripe Mandarin Peel Oil |
- Xiao Qing Gan is the representative "food-as-medicine" citrus of Chinese tradition: the Bencao Gangmu records that Qing Pi soothes the liver, breaks qi stagnation, and resolves accumulations
- Modern Xinhui Xiao Qing Gan Pu'er tea is a nationally famous Chinese wellness tea — this oil concentrates the fresh green-citrus essence of the same unripe peel
- Harvest runs from early August to early October (Liqiu to Hanlu); fruits are 4.5-6.5 cm in diameter at this stage
- Do not confuse with sweet orange (C. sinensis), lemon (C. limon), or bitter orange (C. aurantium) — and unripe-peel oil must never be labelled as chenpi oil (aged peel requires 3+ years of storage)
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This article was published on 2026-09-07, and last updated on 2026-09-29. The article will be continuously updated.
