Lotus Garlic Vinegar (Purple Garlic Steeped in Rice Vinegar)

Why people make this

Purple-skinned garlic — sometimes sold under the poetic name “lotus garlic” (he hua suan) because the large purple cloves arranged in the bulb resemble the petals of a lotus flower — contains higher concentrations of allicin than ordinary white garlic, along with stronger antioxidant activity. Allicin is the primary bioactive compound in garlic that research links to anti-inflammatory, antimicrobial, lipid-lowering and cholesterol-reducing effects. Purple-skinned varieties are available at Chinese or Asian grocers and online.

Steeping garlic in rice vinegar draws out these compounds into an accessible daily tonic. One teaspoon a day in warm water is all that is needed. The addition of rock sugar tempers the sharp, throat-catching intensity of the raw vinegar and makes the daily dose genuinely pleasant to take.

Who it suits / who should be cautious

• Suitable for adults looking to support cardiovascular health, particularly those with mildly elevated blood pressure, cholesterol or blood sugar
• Also traditionally associated with antiviral effects and anticancer support
• One teaspoon a day is sufficient — more is not better; excessive amounts of garlic or vinegar can irritate the stomach lining

Why these ingredients (the food-therapy logic)

• Purple garlic (zi pi suan): Higher allicin content than white garlic; associated with anti-inflammatory, antimicrobial, cholesterol-lowering and antiviral effects; the purple pigment indicates stronger antioxidant activity
• White rice vinegar (bai mi cu): Acts as a solvent and preservative; vinegar itself has traditional associations with softening accumulations, improving circulation and helping the liver process toxins
• Rock sugar (bing tang): Neutralises the harshness of the vinegar; makes the preparation palatable and protects the throat and stomach

Ingredients (1 jar / ~1 month supply)

Ingredient	Amount	Notes
Purple-skinned garlic cloves	300 g	Do not wash; peel and remove root ends
White rice vinegar	600 g
Rock sugar	to taste	A small handful, adjusted to preference

Method

1. Do not wash the garlic — moisture can introduce bacteria and spoil the preparation. Peel all the cloves and trim off the root ends.
2. Place the peeled cloves into a clean, dry glass jar until it is about half full.
3. Pour in the rice vinegar until about 80% full.
4. Add the rock sugar.
5. Place in a cool, shaded spot. Gently swirl or shake the jar each day.
6. Continue until the rock sugar fully dissolves — usually 3–7 days.
7. The preparation is ready to use after steeping for one full month.
8. To use: take 1 teaspoon daily, diluted in a small glass of warm water.

Bro Niu’s tips

Do not be alarmed when the garlic cloves turn blue-green in colour after about a week — this is a perfectly normal chemical reaction involving the allicin compounds and is not a sign of spoilage. After a full month of steeping, the cloves will return to something close to their original colour. The blue-green phase is simply chemistry at work and is harmless. Do not discard the preparation.

Community questions answered (selected)

• Q (May): My son is 8 years old and has had two episodes of headache in the morning this week. He is possibly overheated from walking to school and then sitting in a draught. Is there anything to help reduce headaches? Bro Niu: Headaches have many causes — including wind-cold exposure and also eye problems (if a child has undiagnosed short-sightedness, the effort of focusing can cause headaches). For wind-cold type headache, a soup of kudzu root, ginger and red dates with bighead carp head is a gentle family option; have it for 2 servings and see if there is improvement. If he is sitting in a direct draught at school, ask the teacher to adjust the airflow direction.

---

Published June 6, 2022 · Adapted and translated for Nourilo from a traditional home-kitchen recipe. Approx. 3 min read.