Poursuivant notre Ctude de l'ardme de thC noir [l], nous y avons identifik encore 32 substances dont la plupart ont CtC dCcrites rCcemment par BONDAROVICV et al. [2], mais dont sept sont nouvelles. Cinq d'entre celles-ci n'ont, A notre connaissance, jamais CtC citCes : 1'kthyl-l-formyl-2-#yrrole, le
Sur la composition de l'arôme de Thé noir IV
✍ Scribed by Paul Cazenave; Ian Horman; Françoise Mueggler-Chavan; Rinantonio Viani
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- German
- Weight
- 238 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0018-019X
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
17 substances were shown to be present in the aroma of black tea. This brings the total number of substances now identified to 187. Many of these new aromatic constituents are present only in traces. Nevertheless they possess an appreciable olfactive intensity whose flowery and/or fruity characteristics are found in many perfumed black teas such as: Kenya, Darjeeling, Ceylan, China and Oolong.
The components were identified by GC/MS. and their presence in the aroma verified by GC.
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1) Note ajoutde lors de la correction des tpreuves: Nous venons de prendre connaissance d'un article de RIZZI [UaJ qui a identifie dans le beurre de cacao 9 composes pyraziniqugs: mkthylpyrazine, dim&hyl-Z,S-pyrazine, tthyl-2-rndthyl-5-pyrazine, trimdthylpyrazine, dimdthyl-2,5-Bthyl-3-pyrazine, dimt