Chinese · Allergen Guide

Chinese Food Allergen Guide: Eating Safely in China

Chinese cuisine encompasses vast regional diversity, but soy sauce, wheat noodles, sesame oil, peanuts, and shellfish are common threads across most traditions. Soy sauce is as fundamental to Chinese cooking as salt is to Western cooking. Peanut oil is a preferred frying medium, and sesame oil finishes many dishes. Understanding how these allergens appear across China's eight great culinary traditions is essential for eating safely.

Understanding Allergens in Chinese Cuisine

China's culinary landscape spans eight major regional cuisines, each with distinct ingredients and techniques. However, certain allergens are nearly universal: soy sauce seasons almost every savoury dish, wheat noodles and dumpling wrappers are staples, sesame oil is a ubiquitous finishing drizzle, and peanuts appear in dishes from Sichuan kung pao to Cantonese desserts.

China does not have comprehensive restaurant allergen labelling laws comparable to the EU. Communication is essential — and challenging if you don't speak Mandarin. Carrying an allergy card in simplified Chinese characters is strongly recommended.

Soy Sauce: The Foundation

Soy sauce (jiangyou) is used in stir-fries, braises, marinades, dumpling dipping sauces, and soups. Both light soy sauce (sheng chou) and dark soy sauce (lao chou) contain soy and wheat. If you have a soy or wheat allergy, you will need to request dishes cooked without soy sauce — a significant modification in Chinese kitchens. Communicate clearly using the phrase wo dui dadou guo min (I am allergic to soy).

Peanut Oil and Sesame Oil

Peanut oil (huasheng you) is the preferred cooking oil in many Chinese restaurants and home kitchens because of its high smoke point and flavour. Even if a dish does not visibly contain peanuts, it may have been cooked in peanut oil. Sesame oil is drizzled on finished dishes, mixed into dipping sauces, and used in cold noodle salads. If you have a peanut or sesame allergy, ask about the cooking oil used.

Tips for Eating Safely

Carry an allergy card in simplified Chinese — visual aids are essential in Chinese restaurants where English may not be spoken. Opt for steamed dishes over stir-fried (less oil means fewer hidden allergens). Cantonese cuisine tends to use lighter seasoning than Sichuan or Hunan, which may be easier to modify. Hotel restaurants in major cities are more likely to accommodate allergen requests than street vendors or small local eateries.

Common Allergens in Chinese Cuisine

Allergen	Common Dishes	Local Name	Often Hidden In
Soy	Soy sauce in virtually every stir-fry, braised dish, dumpling dipping sauce, and marinade	酱油 (jiangyou) for soy sauce / 大豆 (dadou) for soybean / 豆腐 (doufu) for tofu	Dark soy sauce in braises, fermented bean pastes, black bean sauce, hoisin sauce, oyster sauce bases
Wheat/Gluten	Noodles, dumpling wrappers, steamed buns (baozi), spring roll wrappers, fried dough	小麦 (xiaomai) for wheat / 面粉 (mianfen) for flour	Soy sauce (contains wheat), batter on deep-fried items, thickening starch in sauces, wonton skins, seitan (mock meat)
Peanuts	Kung pao chicken, peanut-crusted dishes, cold noodles with peanut sauce, boiled peanuts	花生 (huasheng)	Peanut oil for cooking, crushed in dan dan noodles, ground into some sauces, peanut-based desserts
Sesame	Sesame chicken, sesame noodles, sesame balls (jian dui), sesame oil drizzle on nearly all dishes	芝麻 (zhima) for sesame / 麻油 (mayou) for sesame oil	Finishing oil drizzled on soups and stir-fries, tahini-like paste in hot pot dipping sauce, sesame in buns and pastries
Shellfish	Shrimp dumplings (har gow), crab rangoon, lobster stir-fry, salt and pepper prawns	虾 (xia) for shrimp / 蟹 (xie) for crab / 贝类 (beilei) for shellfish	Oyster sauce (in many stir-fries), dried shrimp in XO sauce, shrimp paste in some regional dishes, dried scallop in soups
Fish	Steamed whole fish, fish fragrant aubergine (uses fish-flavoured seasoning), fish balls	鱼 (yu) for fish	Fish sauce in some regional cuisines, dried fish flakes, fish-flavoured sauces (yu xiang does not always contain fish but may)
Eggs	Egg fried rice, egg drop soup, tea eggs, steamed egg custard, century eggs	鸡蛋 (jidan) for eggs	Egg wash on pastries, egg in dumpling dough (some recipes), egg-battered fried items, some noodle doughs
Tree Nuts	Cashew chicken, walnut shrimp, almond tofu dessert, walnut soup	坚果 (jianguo) for nuts / 腰果 (yaoguo) for cashew / 核桃 (hetao) for walnut	Ground into dessert pastes, pine nuts in some stir-fries, almond extract in sweets, mixed into moon cakes

Safe Dishes to Order

Steamed rice (bai fan)

Plain white steamed rice — the foundation of every Chinese meal

Free from: all major allergens

Steamed vegetables (qing chao shicai)

Lightly steamed or blanched seasonal greens — request with salt only, no soy sauce or oyster sauce

Free from: dairy, eggs, nuts (request without soy sauce, oyster sauce, and sesame oil)

Congee (plain rice porridge)

Slow-cooked rice porridge — plain congee is naturally free from most allergens

Free from: dairy, eggs, nuts, fish, shellfish (plain version — toppings may contain allergens)

Steamed chicken (bai qie ji)

Cantonese poached chicken served at room temperature with ginger-scallion sauce

Free from: dairy, eggs, nuts, gluten (request without soy sauce dip)

Stir-fried tomato and egg (modified)

A simple home-style dish — request cooked in vegetable oil without soy sauce

Free from: dairy, nuts, fish, shellfish (contains eggs — request without for egg-free)

Fresh fruit plate

Sliced seasonal fruit — a common way to end a Chinese meal

Free from: all major allergens

Frequently Asked Questions

Is soy sauce in everything in Chinese cuisine?

Yes. Soy sauce is the foundational seasoning in Chinese cooking, used in stir-fries, braises, marinades, dumpling sauces, and soups. Both light and dark soy sauce contain soy and wheat. If you are allergic to either, you must explicitly request 'bu yao jiangyou' (no soy sauce) and understand that this significantly changes the dish.

Can I avoid peanuts in Chinese restaurants?

You can avoid visible peanuts in dishes, but peanut oil is a common cooking oil that is harder to avoid. Ask 'yong shenme you chao?' (what oil do you cook with?). In upscale restaurants, you can request dishes cooked in vegetable oil instead. Street food and small eateries may not be able to accommodate this.

How do I say I have a food allergy in Mandarin?

Say 'Wo dui [allergen] guo min' (I am allergic to [allergen]). For example: 'Wo dui huasheng guo min' means 'I am allergic to peanuts.' The phrase 'guo min' means allergic. A written allergy card in Chinese characters is far more effective than spoken phrases.

Is oyster sauce safe for shellfish allergies?

No. Oyster sauce is made from oyster extract and is unsafe for anyone with a shellfish allergy. It is extremely common in Chinese stir-fries and used in many vegetable and meat dishes. Ask specifically for 'bu yao haoyou' (no oyster sauce). This is one of the most commonly missed hidden allergens.

Which Chinese regional cuisine is safest for allergy sufferers?

Cantonese cuisine tends to use the lightest seasoning and features more steamed and simply prepared dishes. Steamed fish, plain congee, and steamed dim sum (avoiding shrimp-based items) are easier to modify. Sichuan and Hunan cuisines use peanuts, sesame, and chilli oils more heavily and are harder to navigate with allergies.