Soups

Purple Chinese Yam, Lotus Seed, Lily Bulb and Longan Sweet Soup

traditionally associated with nourishing the blood, supporting restful sleep, and calming the mind

In short: Purple Chinese Yam, Lotus Seed, Lily Bulb and Longan Sweet Soup is a soup that traditionally associated with nourishing the blood, supporting restful sleep, and calming the mind. It is most often made for sleep & calm, blood nourishment, everyday balance. Total time about 45 min. Key ingredients: lotus seeds, lily bulb, longan flesh, rock sugar.

Prep
15 min
Cook
30 min
Total
45 min
Makes
0.9–1.2 L
Purple Chinese Yam, Lotus Seed, Lily Bulb and Longan Sweet Soup

Why people make this soup

Purple yam gets its striking color from anthocyanins, the same class of plant pigments found in blueberries and purple sweet potato. These compounds are associated with antioxidant properties and are traditionally believed to support immune function, activate lymphocyte activity and protect the kidneys. Along with the calm-inducing effects of lily bulb and lotus seeds, and the blood-nourishing warmth of longan, this soup is the kind you might reach for after a long, draining week. The result is not just visually lovely but genuinely delicious — a light, beautifully coloured sweet soup that the whole family can enjoy.

What studies say about the key ingredients

Traditional use is not the same as clinical proof. Here is the strongest human research we found for each ingredient, limitations included.

  • Lotus seeds · Randomized crossover trial, 10 participants · 2019
    Lotus seed meals had a low glycemic index (GI 21–51 across the lotus seed and adzuki bean meals), while several other starchy foods did not differ significantly from rice. Lotus seed's in vitro hydrolysis index was also lower than that of other test foods.Limitation: Only ten healthy participants and acute single-meal tests, so findings may not apply to people with diabetes or to long-term intake.PubMed 30875961

From the Nourilo Research Library. Findings come from specific doses, extracts and populations and may not apply to a home-cooked recipe.

Safety first — read before you cook

This is a traditional food, not a treatment. Please check with your doctor or pharmacist before making it a regular part of your diet if you:

  • are pregnant or breastfeeding, or are cooking for a young child;
  • take regular medicines — especially blood thinners, blood-pressure, diabetes or immune-suppressing drugs;
  • have a kidney, liver or heart condition, or a known food allergy.

Stop eating it and seek advice if you notice an allergic reaction or feel unwell. Safety notes reviewed 8 October 2026 · How we write safety notes

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