Univ. Bordeaux, Unité de recherche Œnologie, EA 4577, USC 1366 INRAE, F-33140 Villenave d'Ornon, France.
Univ. Bordeaux, Unité de recherche Œnologie, EA 4577, USC 1366 INRAE, F-33140 Villenave d'Ornon, France; Seguin Moreau France, Z.I. Merpins, B.P. 94, F-16103 Cognac, France.
Food Chem. 2021 Oct 30;360:130120. doi: 10.1016/j.foodchem.2021.130120. Epub 2021 May 15.
Methyl salicylate (MeSA) is a plant metabolite that induces plant defence resistance and an odorous volatile compound presenting green nuances. This volatile compound was shown to be present in wine samples, sometimes at concentrations above its olfactory detection threshold. MeSA is localized in grapes, particularly in the skins and stems, and is extracted during red wine vinification. It was detected at the highest concentrations in wines of several grape varieties, made from grapes affected by cryptogamic diseases, namely downy mildew caused by Plasmopara viticola, and black rot caused by Guignardia bidwellii. It has also been detected in wines from vines affected by Esca, a Grapevine Trunk Disease. MeSA can also be considered to be a chemical marker in grapes and wine indicative of the level of development of several vine cryptogamic diseases.
水杨酸甲酯（MeSA）是一种植物代谢物，能诱导植物防御抵抗和散发带有绿色调的气味挥发性化合物。该挥发性化合物被发现存在于葡萄酒样品中，有时其浓度超过嗅觉检测阈值。MeSA 存在于葡萄中，特别是在果皮和果梗中，在红葡萄酒酿造过程中被提取出来。在由受真菌病害影响的葡萄酿造的几种葡萄品种的葡萄酒中，MeSA 的浓度最高，这些真菌病害包括由葡萄霜霉病菌引起的霜霉病和由葡萄钩丝壳菌引起的黑腐病。它也存在于受葡萄蔓割病影响的葡萄藤酿成的葡萄酒中。MeSA 也可以被认为是葡萄和葡萄酒中指示几种葡萄真菌病害发展水平的化学标志物。
