ISO/TS 19657:2017规定了被视为天然食品成分必须满足的定义和技术标准（可接受的来源、材料和工艺）。 ISO/TS 19657:2017适用于食品配料。 ISO/TS 19657:2017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（即自愿和强制性标签）。 ISO/TS 19657:2017不适用于人类安全、环境安全、社会经济考虑（如公平贸易）和包装材料的特性。 ISO/TS 19657:2017不适用于以下情况: -调味剂[1]；然而，可以根据本文件中定义的技术标准评估调味剂的非调味成分； -天然矿泉水[2]；-瓶装饮用水[3]。 本文件中没有对基因工程或有机生产等农业实践的要求。然而，这些可能受到法规和/或其他要求的约束。

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. ISO/TS 19657:2017 is applicable to food ingredients. ISO/TS 19657:2017 is applicable in business-to-business communication (B2B) only. It does not apply to product communication to consumers (i.e. voluntary and mandatory labelling). ISO/TS 19657:2017 does not apply to human safety, environmental safety, socio-economic considerations (e.g. fair trade) and the characteristics of packaging materials. ISO/TS 19657:2017 does not apply to the following: - flavourings^[1]; however, it is possible to assess the non-flavouring components of flavourings according to the technical criteria defined in this document; - natural mineral waters^[2]; - bottled drinking waters^[3]. There are no requirements for genetic engineering nor for agricultural practices such as organic production in this document. However, these can be subject to regulations and/or other requirements.