Flavonoids have important biological activities. Sea buckthorn and the products made from it have a lot of flavonoids.

黄酮类化合物是一类具有重要生物活性的物质，是沙棘及其制品中的主要活性成分。

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There are many bioactive peptides in bio organism, which have different special structures and biological functions and join in important life activities.

生物体中存在许多活性肽，它们具有不同的空间结构和生物功能，参与重要的生命活动。

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Learning and memory are different but nearly related neural activities, which are important functions in brain. Learning and memory have complicated biological mechanism.

学习和记忆是不同而又密切联系的神经生物学活动，是大脑的重要功能之一，有着十分复杂的生物学机制。

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