Agarwood is a highly valuable fragrant resinous wood which is widely used as traditional Chinese medicines, perfumes, incense and decorations. Due to its high economic value and excessive demand, this leads to a rising price and proliferation of fake commodities. Thus, strict authenticity identification and quality evaluation of agarwood are of great significance.

中文翻译：

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通过使用液体萃取表面分析质谱法（LESA-MS）快速鉴定沉香。

沉香是一种极有价值的芳香树脂木，被广泛用作中药，香水，香和装饰品。由于其较高的经济价值和过度的需求，这导致价格上涨和假冒商品泛滥。因此，严格的沉香真伪鉴定和质量评价具有重要意义。