As a culinary expert with a focus on food science and ingredient applications, I can tell you that malt powder is a flavoring agent that is often used to enhance the taste of milkshakes and other beverages. It is made from malted barley, which is barley that has been allowed to germinate and then is dried in a process that brings out its natural enzymes and sugars. This process creates a sweet, nutty flavor that is reminiscent of vintage or retro milkshakes and ice cream.

Malt powder is particularly popular in the creation of phosphates, which are a type of fruity soda that was popular in the mid-20th century. When added to milkshakes, it gives a creamy, rich, and slightly sweet taste that complements the other flavors without overpowering them.

Here's the translation in Chinese:

作为专注于食品科学和食材应用的烹饪专家，我可以告诉您，麦芽粉是一种常用于增强奶昔和其他饮料口感的调味剂。它是由麦芽大麦制成的，麦芽大麦是经过发芽然后干燥的大麦，这个过程可以使其天然酶和糖分显现出来。这个过程创造出了一种甜而有坚果味的风味，让人联想到经典或复古的奶昔和冰淇淋。

麦芽粉在制作磷酸盐饮料时特别受欢迎，磷酸盐饮料是一种在20世纪中叶流行的果味苏打水。当添加到奶昔中时，它赋予了一种奶油般丰富且略带甜味的口感，这种口感可以补充其他风味，而不会压倒它们。

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Malted Shake. Sometimes simply called a malt, a malted shake is one of those seriously old-timey drinks that is still found at diners and soda fountains. What distinguishes it is malted milk powder �� the evaporated powder made from malted barley, wheat flour, and whole milk.read more >>