'Quill text editor in Angular rendering blockquote in HTML

I am trying to use Quill text editor in Angular to allow users key in blockquote text. When I retrieve the content string, it shows: enter image description here

sorry for using a picture as the blockquote will be rendered by Stackoverflow. Back to the topic, I try to pass this string to the HTML page inside a span but it only shows the following:

HTML code:

<span>{{content}}</span>

it output entire string with the blockquote tag and content instead of render it into a blockquote:

<blockquote>testing</blockquote>


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Source: Stack Overflow

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