Herrera has told the media in Chile that he feels Henriquez would be a good signing for Zaragoza as they bid to bounce back to La Liga after suffering relegation at the end of last season.
"We are very interested in Angelo Henriquez," Herrera is quoted as saying in El Mercurio.
"We have been following him and we hope to get a response from their club soon."
"He is a striker full of technical qualities, could be a good signing."
Teenage forward Henriquez, who has already been capped at senior international level by Chile, joined Manchester United last September.
He was unable to break into Sir Alex Ferguson's first XI but gained vital experience of the Premier League when he was sent out on loan to Wigan Athletic for the second half of the season.
Henriquez has previously admitted that he would be prepared to go out on loan again, and Zaragoza looks to be a possible destination.