BS PD ISO/TS 19657:2017规定了定义和技术标准（可接受的来源、材料和工艺） 食品成分被认为是天然的。本文件适用于食品配料。本文件仅适用于企业对企业通信（B2B）。它不适用于 向消费者传达产品信息（即自愿和强制性标签）。它不适用于人身安全、环境安全、社会经济考虑（例如公平贸易） 以及包装材料的特性。购买本文件时可获得的所有当前修订均包含在购买本文件中。

BS PD ISO/TS 19657:2017 specifies definitions and technical criteria (acceptable sources, materials and processes) to be fulfilled for food ingredients to be considered as natural.This document is applicable to food ingredients.The document is applicable in business-to-business communication (B2B) only. It does not apply to product communication to consumers (i.e. voluntary and mandatory labelling).It does not apply to human safety, environmental safety, socio-economic considerations (e.g. fair trade) and the characteristics of packaging materials.All current amendments available at time of purchase are included with the purchase of this document.