Epic Quest Bio The case files
Case No. 48 · have you seen this molecule?

Hydroxy-alpha-sanshool

the tingle in Sichuan pepper

File sealed

The detectives are still writing this one up. The poster and the facts are below; the film and the interrogation room open soon.

Booking photographs

Hydroxy-alpha-sanshool, front view, against a height chart in nanometers
FRONT
Hydroxy-alpha-sanshool, side view
SIDE · CID 10084135

The suspect, from its real atomic coordinates. Drag to turn it. Height chart in nanometers, ruled every 0.1 nm. Stood beside a DNA double helix (2 nm across), it would come nearly to the top.

Rap sheet

Answers to
Sanshool, for short.
Height
1.9 nm, stretched out. Has a kink.
Weight
0.44 zeptograms
Build
A long chain with four double bonds, one of them bent, and a hook at the end.
Habits
Makes your lips feel like they’re buzzing, about 50 times a second.
Marks
Sets off the nerves that feel the lightest touch.
Origins
Not a pepper at all: the dried husk of a prickly ash, a cousin of citrus.
Last seen
A 5 mL tube marked SICHUAN in the fridge at HQ.
1,300,000,000,000,000,000,000

of them in an ounce of Sichuan peppercorns, give or take.
Peppercorns vary a lot. You’ve never seen one.

The poster on the street

The wanted poster for Hydroxy-alpha-sanshool

This is the photocopied wanted poster for Hydroxy-alpha-sanshool, No. 48. They were made for noticeboards around Boston, Cambridge and the rest of the east coast.

Found one? Scan its QR code with your phone. If you're a signed-in player, the sighting goes on your record with +1 XP.

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