Identification of Rotundone as a Potent Odor-Active Compound of Several Kinds of Fruits.
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DOI: 10.1021/acs.jafc.7b00929
Abstract: An investigation of the aromas of grapefruit, orange, apple, and mango revealed the presence of an odor-active compound that gave off a strong woody odor when assessed by gas chromatography-olfactometry. We isolated the compound from… read more here.
Keywords: active compound; rotundone; odor active; identification rotundone ... See more keywords
Characterization of guaiene synthases from Stellera chamaejasme L. flowers and their application in de novo production of (-)-rotundone in yeast.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.9b08303
Abstract: Four terpene synthases for biosynthesis of volatile terpenoids were identified from the transcriptome of Stellera chamaejasme L. flowers, including SchTPS1, SchTPS2, SchTPS3 and SchTPS4. Their functions were characterized by synthetic biology approaches in E. coli… read more here.
Keywords: guaiene synthases; rotundone; chamaejasme flowers; guaiene ... See more keywords
Can a certain concentration of rotundone be undesirable in Duras red wine? A study to estimate a consumer rejection threshold for the pepper aroma compound
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DOI: 10.1111/ajgw.12299
Abstract: Background and Aims Rotundone is responsible for peppery aroma in wine. This note is not appreciated by all consumers, which indicates that rotundone might be considered as a taint above a certain concentration. The current… read more here.
Keywords: rotundone; consumer rejection; concentration rotundone; rejection threshold ... See more keywords
Using common viticultural practices to modulate the rotundone and 3-isobutyl-2-methoxypyrazine composition of Vitis vinifera L. cv. Fer N red wines from a temperate climate wine region with very cool nights
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DOI: 10.20870/oeno-one.2019.53.4.2459
Abstract: Aim: Rotundone and 3-isobutyl-2-methoxypyrazine (IBMP) are two potent aroma compounds responsible for pepper and bell pepper notes in red wines, respectively. The aim of the study was to modulate, through common viticultural practices, the volatile… read more here.
Keywords: red wines; viticultural practices; rotundone; delayed harvest ... See more keywords
Impact of Fruit-Zone Leaf Removal on Rotundone Concentration in Noiret
Sign Up to like & getrecommendations! Published in 2017 at "American Journal of Enology and Viticulture"
DOI: 10.5344/ajev.2017.16106
Abstract: Rotundone was recently identified as the compound that imparts the black pepper aroma in several winegrape cultivars. This two-year study aimed to identify the presence of rotundone in Noiret (interspecific hybrid of Vitis) and to… read more here.
Keywords: fruit; fruit zone; rotundone; leaf removal ... See more keywords