json.extract! @ingredients, :total_count, :total_pages, :current_page
json.page_size @ingredients.limit_value

json.ingredients @ingredients do |i|
  json.extract! i, :id, :name, :ndbn, :kcal
  json.usda i.ndbn.present?

  if i.density.present?
    value = UnitConversion::parse(i.density)
    json.density value.convert('oz/cup').change_formatter(UnitConversion::DecimalFormatter.new).pretty_value
  else
    json.density nil
  end

end