In Chinese culture, 姜 (jiāng) is not merely an ingredient; it's a philosophy of balance. Its role extends deep into cuisine, medicine, and even language.
In Cuisine (Yin-Yang Balance): According to Traditional Chinese Medicine (TCM) principles that heavily influence cooking, foods have “hot” (yang) or “cold” (yin) properties. Ginger is a classic “hot” or “warming” (温性, wēnxìng) ingredient. It is essential for balancing “cold” foods. For example, seafood like crab is considered very “cold” (寒性, hánxìng), so it is almost always steamed or served with ginger to counteract this property and prevent digestive upset. Its ability to “remove fishiness” (去腥, qùxīng) is legendary, making it indispensable when cooking fish or mutton.
In Medicine (TCM): Ginger is a cornerstone of Chinese folk remedies. A cup of hot brown sugar ginger tea (红糖姜茶, hóngtáng jiāng chá) is the go-to remedy for the common cold, menstrual cramps, or any feeling of being chilled. It is believed to induce sweating, expel “coldness” from the body, warm the stomach (暖胃, nuǎn wèi), and aid digestion.
Western Comparison: In American/Western culture, ginger is often seen as a secondary or seasonal spice, prominent in gingerbread during the holidays or as a sharp accent in some Asian-inspired dishes. In China, it's a daily staple, as fundamental as garlic or onions are in the West. Its dual role as both food and medicine is much more pronounced and integrated into everyday life.
In Language and Proverbs: The importance of ginger is cemented in the popular saying: 姜还是老的辣 (jiāng hái shì lǎo de là), which literally translates to “Old ginger is still the spiciest.” This proverb means that with age comes experience, wisdom, and skill. It's a common way to praise the cunning or effectiveness of an older, more experienced person.