10 Grignolino and the traditional method In 1784 there appeared in Turin, at the printing house of the Reycends Brothers, a work signed with a pseudonym. It is the book "Le vigneron piemontais1 " by the Chevalier De Plaigne. We do not know much more about the author than the fact that he participated in the founding of the Academy of Agriculture, that he was a Frenchman stationed in Turin and that he dealt with (we do not know in what precise role) the production of wines on the Turin hills. "Le vigneron piemontais" is a detailed work, which aimed to explain the way to plant vineyards, to cultivate them, to make wine, to preserve it in barrels and to prepare it in such a way as to keep it healthy and suitable for long conservation. In this text appears a qrst very :uick advice for making white wines sparkle. According to Chevalier De Plaigne there was nothing easier than making white wine sparkle2 -4 hours before putting it into bottles, one must put powdered candied sugar in the proportion of a two5inch piece (about cm) for a :uantity of qve brenteO of wine. zne can hypothesi0e that a compact piece of sugar of these dimensions corresponds to -HH grams. Therefore, it is this :uantity of sugar that De Plaigne suggested using for - H liters of wine. Lowever, this 1. Le vigneron Pi montais contenant la maniere de planter les vignes, de les cultiver, de faire le vin, de le traiter dans les tonneaux, et de le pr parer de la fa on la plus propre a le conserver, et a le rendre sain. Ouvrage galement utile a l'Italie by Chevalier de Plaigne, es fr/res Reycends, 1784, at https266gallica. bnf.fr6ark261-1486bd9t 413 87-36fSH.item