问题: What does the Hacker-Pschorr Brewery have to limit in order to comply with German regulations?
期望答案: ingredients in beer
实际结果: ------
## 最终结论
Hacker-Pschorr Brewery需要限制使用任何不符合德国啤酒纯净法规定的成分，如香料、糖和防腐剂。

完整响应:
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