每次放3克即可，具体做法如下：

需要提前准备好的材料包括：黑枸杞3克、60℃直饮水200毫升。

1、备好黑枸杞，枸杞去掉枸杞蒂，提前洗净。

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2、把枸杞放进水杯里。

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3、将直饮机的温度调至60℃，容量选择200毫升。

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4、将杯子放在出水口下，放出60℃直饮水。

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5、搅拌均匀，完成。

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注意事项：

枸杞水的温度不能高于60℃，高于60℃会破坏枸杞的口感，影响品尝。

1、15-20粒左右。

2、黑枸杞味甘、性平，对人体来说具有滋补肝肾、益精明目的作用，虽然黑枸杞比较好，但是任何食材服用过多的话都会对人体健康造成一定的影响，所以建议适量服用即可，对于正常体质的人群来说每次泡水放15-20粒左右的黑枸杞即可。

3、如果是内火较重、容易上火的人群建议根据个人的具体身体情况来决定，如果服用后出现了上火症状的话那么就建议减少服用量。