This protects the growing acrospire ( developing plant embryo ) from damage during malting , which can easily lead to mold growth ; it also allows the mash of converted grain to create a filter bed during lautering ( see brewing ) .
This protects the growing acrospire ( developing plant embryo ) from damage during malting , which can easily lead to mold growth . 
 It also allows the mash of converted grain to create a filter bed during lautering ( see brewing ) .