Spirulina

例句：

1. 1. Spirulina is a popular food supplement in Japan.
   螺旋藻在日本是一种受欢迎的食品补充剂。
2. 2. The Spirulina powder is used as a natural preservative in food storage.
   螺旋藻粉被用作食品储存的自然防腐剂。
3. 3.Spirulina has been shown to have anti-inflammatory properties.
   研究表明，螺旋藻具有抗炎特性。