Phyllanthus, Black Fungus and Burdock Root Soup (You Gan Zi Mu Er Niu Bang Tang)

Why people make this soup

Phyllanthus berry — known as oil kan zi in Cantonese, Indian gooseberry or amla in English — has an intriguing property that sets it apart from most vitamin C-rich foods: its ascorbic acid remains stable even after high heat and prolonged cooking, unlike the vitamin C in most fruits and vegetables. This means that even after a long simmer, you still get real antioxidant activity from this fruit. In traditional Cantonese food therapy, phyllanthus is associated with aiding digestion, managing blood sugar, and restraining the effects of diabetes — and is a common sight in flower stalls and herbal medicine stores across southern China. This soup combines it with burdock root (traditionally used for its association with blood glucose and cholesterol management), black fungus (long valued for cardiovascular support), water chestnut (cooling and moistening), and dried figs (gentle and sweet). The result is a soup suitable for middle-aged and older adults as a regular health-maintenance dish.

Who it suits / who should be cautious

• People managing diabetes or high blood pressure as a dietary complement alongside medical treatment.
• Middle-aged and older adults seeking a broad antioxidant and cardiovascular-supporting soup.
• Suitable for the whole family as an everyday soup — it is entirely made from food ingredients with no strong herbs.
• Those with a cold constitution may find this soup mildly cooling; adding 3 slices of ginger and 2 pieces of dried tangerine peel (chen pi) will warm it up and make it more comfortable.
• Pregnant women can drink this soup.

Why these ingredients (the food-therapy logic)

• Phyllanthus berry (you gan zi): Naturally sour and astringent. Associated with aiding digestion, lowering blood sugar, suppressing diabetic symptoms, and — uniquely — retaining its vitamin C even through prolonged cooking. Its high vitamin C content supports antioxidant defence and is associated with skin health and anti-aging.
• Black fungus (hei mu er): A kitchen staple with a strong food-therapy reputation for softening blood vessels, improving circulation, and helping manage cholesterol. May be sliced into strips for easy eating.
• Burdock root (niu bang): Earthy, slightly sweet, and satisfying in texture. Traditionally used for its association with blood sugar management, detoxification, and digestive support. The skin contains additional beneficial compounds; wash and scrub rather than peel.
• Water chestnuts (ma ti): Cooling and sweet. Help clear heat and generate fluids. Pair well with burdock to prevent the soup becoming too drying.
• Dried figs (wu hua guo): Gently sweet and moistening. Support the lungs and digestive system; add a pleasant background sweetness to balance the sour phyllanthus.
• Carrot (hong luo bo): Rich in beta-carotene and natural sweetness; supports the soup’s visual appeal and nutritional range.

Ingredients (4 bowls / serves 3–4)

Ingredient	Amount	Notes
Fresh phyllanthus berries (you gan zi)	10 berries	Gently cracked with the flat of a knife
Dried black fungus (hei mu er)	2 pieces	Soaked until soft; may be sliced into strips
Burdock root	1 whole	Washed and scrubbed, cut into sections
Carrot	1 medium	Peeled, sliced
Water chestnuts	6 pieces	Peeled
Dried figs	3 pieces

Method

1. Gently crack each phyllanthus berry with the flat of a knife — this helps release flavor and active compounds into the soup.
2. Soak the dried black fungus until fully soft; drain and rinse. Slice into strips if desired.
3. Scrub the burdock root under running water (do not peel — the skin contains beneficial compounds); cut into sections.
4. Peel the carrot and water chestnuts.
5. Place all ingredients in a pot and add 8 bowls (about 2 liters) of cold water.
6. Bring to a boil, then reduce heat and simmer for 2 hours until the liquid reduces to approximately 4 bowls.
7. Drink the soup and eat the ingredients to taste. No need to add salt — the natural sweetness of the figs and water chestnut balances the sour phyllanthus.

Bro Niu’s tips

This soup is naturally cooling and refreshing — ideal for summer, or for those who tend toward heat. If someone in the family has a cold constitution (always cold, prefers warm food), add 3 ginger slices and 2 pieces of dried tangerine peel to balance the soup’s nature. As an even simpler daily practice, dried phyllanthus (you gan zi gan) and guava leaf (fan shi liu gan) — each 1 tablespoon — can be steeped as a tea and drunk regularly for mild blood sugar support. Both can be found in herbal tea shops. Phyllanthus tea is naturally sour; if it is too sharp for sensitive stomachs, add a few leaves of stevia (tian ju ye) or drink after meals.

Community questions answered (selected)

• Q (巴别2世): Can I use just 6 fresh phyllanthus berries cooked in water as a simpler version to address diabetes, without the other ingredients? Bro Niu: Yes — simmering fresh phyllanthus in water and drinking it as a tea does have a blood-sugar-supporting effect. If the sourness is too strong, add a few stevia leaves (tian ju ye) or a splash of Canadian maple syrup — maple syrup does not raise blood sugar significantly. For convenience, dried phyllanthus and dried guava leaf, 1 tablespoon each, steeped as a daily tea, is an easy alternative.

• Q (tsewan): My aunt has had diabetes and high blood pressure for ten years and is taking medication. The medication is causing throat dryness and a persistent urge to cough. Will this soup help? Bro Niu: This soup will help and is appropriate. If your aunt has a cold constitution, add 3 ginger slices and 2 pieces of dried tangerine peel. For the throat dryness specifically, mountain hawthorn (shan zha) and goji berry tea, or dried phyllanthus and dried guava leaf tea, are also beneficial — alternate different teas to avoid one becoming too cooling or warming over time.

• Q (fion): Can someone with mild anemia also drink this soup? My father has diabetes and some anemia. Bro Niu: Yes, those with anemia can also drink this soup.

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Published May 10, 2012 · Adapted and translated for Nourilo from a traditional home-kitchen recipe. Approx. 5 min read.