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Insects from Ancient China

Chí hǎi (ant-egg paste), historical蚳醢

Chí hǎi was a paste of ant eggs (chí, glossed as "ant young") served at the Zhou court, a historical reconstruction from ritual texts. The Rites of Zhou lists it among the court's hai pastes, and the Han commentator Zheng Xuan describes how hai were made, mixed with millet qu and salt, steeped in good wine and sealed in a jar for a hundred days. No text gives a recipe for the ant-egg paste itself.

Fully documentedInsects3.3 months

Recipe

No fixed amounts recordedNo amounts survive. The court kept hai in jars; for the king's meals the hai office supplied 60 jars of pickles and pastes.
Ant eggs (蚳)Supplied by the turtle officer (鱉人) to the hai office for sacrifices[zhouli]
Millet qu (粱麴)From Zheng Xuan's note on how hai and ni pastes are made in general[zhouli-zhushu]
Salt[zhouli-zhushu]
Good wine (美酒)[zhouli-zhushu]
Starterkoji/qu/mold-starter: millet qu (粱麴), per Zheng Xuan's general note on hai

Total time across the recorded steps: 3.3 months

Start
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What changes: Starting material: ant eggs gathered for the court

Step 1 of 4
Gather ant eggs for the hai office
Time
Not documented
Temperature
Not documented
Salt
None given
Acidity
Not documented

Output: ant eggs.

Flavour
Not documented
Texture
Not documented
Colour
Not documented

Microbes at work in this step

Not documented for this step.

Method

Measured measured in a studySet fixed by a specification or tested recipeReported one source reports itTypical a general value, not sourced for this fermentUnconfirmed not yet checked against a source

At a glance

Chí hǎi was a paste of ant eggs (chí, glossed as "ant young") served at the Zhou court, a historical reconstruction from ritual texts. The Rites of Zhou lists it among the court's hai pastes, and the Han commentator Zheng Xuan describes how hai were made, mixed with millet qu and salt, steeped in good wine and sealed in a jar for a hundred days. No text gives a recipe for the ant-egg paste itself. Made in 4 steps over 3.3 months. The longest step, seal in a plastered jar until done, takes 3.3 months (Zhouli zhushu (Zheng Xuan commentary).

Key numbers
Main step3.3 monthsReported[zhouli-zhushu]Seal in a plastered jar until done

What makes this one different

Chí hǎi is one of the seven hai pastes that Zheng Xuan's note lists for the king's meals, and the only insect among them; the others are made from meat juice, snails, clams, fish, hare and goose.

Related ferments

Safety

No Zhou text says how safe the paste was. As a general hazard for insect foods, a 2026 review in Foods reports Bacillus cereus in dried and powdered insects sold in Europe and Asia, and says wild-harvested insects from contaminated places can carry more pesticide residue than farmed ones. This is not a finding about chí hǎi.

History and sources

Every number is labelled with how it is known. How this atlas is made

The Rites of Zhou (Zhouli), office of the hairen (醢人), lists chí hǎi among the dou dishes of offerings, and Zheng Xuan's note on the seven hai for the king's table includes it. The turtle officer supplies ant eggs to the hai office for sacrifices. The Book of Rites (Liji), chapter Neize, pairs dried spiced meat with chí hǎi. Zheng Xuan glosses chí as 蛾子, "ant young", after the Erya dictionary.

Microbes
No study we found names its microbes.
Temperature, salt and pH
The sources we found give no temperature, salt or pH figure for any of its steps.
  1. [zhouli] Zhouli (Rites of Zhou), Tianguan zhongzai, offices of the bieren (鱉人) and hairen (醢人), Chinese Wikisource text 周禮/天官冢宰archive
  2. [zhouli-zhushu] Zhouli zhushu (Zheng Xuan commentary, Jia Gongyan subcommentary), juan 6, hairen section, Chinese Wikisource text 周禮註疏/卷六archive
  3. [liji-neize] Liji (Book of Rites), chapter Neize (內則), Chinese Wikisource text 禮記/內則archive
  4. [silva2026] Silva et al. 2026, Edible Insects, Food Safety Challenges and Regulatory Perspectives, Foods (review; Bacillus cereus in dried and powdered insects, residues in wild-harvested insects)paper