Ref1

https://books.google.com.my/books?id=6jrlyOPfr24C&pg=PA68&dq=Amaranthus+cruentus+vitamin+A&hl=en&sa=X&ved=0ahUKEwjWnMWI3pveAhXEK48KHWIWD0EQ6AEIKTAA#v=onepage&q=Amaranthus%20cruentus%20vitamin%20A&f=false