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Natural medicines are derived from natural sources such as plants, animals and/or mineral origins. The use of traditional natural products is an empirical healthcare system based on thousands of years of human experience. Over the past few decades, quality control and safety evaluation methods for natural products, though sophisticated and technologically advanced, still lack comprehensiveness and practicability to some extent. Generally, those methods fully satisfy the modern scientific requirements for extraction, identification, purity, quality and pharmacological effects in the assessment of chemical drugs. However, they are not suitable for handling the complex chemical characteristics of natural products.