def serialize
      {
        name: name,
        value: serialized_ingredient,
        link: essence.try(:link)
      }.delete_if { |_k, v| v.blank? }
    end
def serialize
      {
        name: name,
        value: serialized_ingredient,
        link: essence.try(:link)
      }.delete_if { |_k, v| v.blank? }
    end
Serialized object representation for json api