Abstract
Carrots (Daucus carota L.) of cv. Bolero and cv. Carlo were processed into shreds and stored for up to 4 months at -24 degrees C (frozen storage), or the roots were stored for up to 4 months at 1 degrees C (refrigerated storage) followed by processing into shreds. Volatiles from the carrot shreds were collected by dynamic headspace technique and analyzed by GC-FID, GC-MS, GC-MS/MS, and GC-O to determine the volatile composition and aroma active components of carrots stored under different temperature conditions. A total of 52 compounds were quantified, of which mono- and sesquiterpenes accounted for approximately 99% of the total volatile mass. Major volatile compounds were (-)-alpha-pinene, beta-myrcene, (-)-limonene, (+)-limonene, (+)-sabinene, gamma-terpinene, p-cymene, terpinolene, beta-caryophyllene, alpha-humulene, and (E)- and (Z)-gamma-bisabolene. A considerable increase in the concentration of mono- and sesquiterpenes was observed during refrigerated storage, whereas the concentration of terpenoids was around the same level during frozen storage. GC-O revealed that the major volatiles together with (+)-alpha-pinene, (-)-beta-pinene, (+)-beta-pinene, 6-methyl-5-hepten-2-one, (-)-beta-bisabolene, beta-ionone, and myristicin had an odor sensation, which included notes of "carrot top", "terpene-like", "green", "earthy", "fruity", "citrus-like", "spicy", "woody", and "sweet".
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Claims 4
Claim · model-written summary
Mono- and sesquiterpenes comprised approximately 99% of total volatile mass in carrot shreds.
- Taxon
- Carrots
Daucus carotat0 - Outcome
- mono- and sesquiterpenese1
- Value
- approximately 99%e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A total of 52 compounds were quantified, of which mono- and sesquiterpenes accounted for approximately 99% of the total volatile mass.”
t0“Carrots”
Claim · model-written summary
Mono- and sesquiterpene concentrations increased considerably during refrigerated storage.
- Taxon
- CarrotsDaucus carotat0
- Treatment
- refrigerated storagee1
- Outcome
- concentration of mono- and sesquiterpenese1
- Direction
- increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“A considerable increase in the concentration of mono- and sesquiterpenes was observed during refrigerated storage”
t0“Carrots”
Claim · model-written summary
Terpenoid concentration remained around the same level during frozen storage.
- Taxon
- CarrotsDaucus carotat0
- Outcome
- concentration of terpenoidse1
- Setting
- frozen storagee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“the concentration of terpenoids was around the same level during frozen storage”
t0“Carrots”
Claim · model-written summary
The major volatiles and several additional compounds produced odor sensations with diverse notes.
- Taxon
- CarrotsDaucus carotat0
- Outcome
- odor sensatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“GC-O revealed that the major volatiles together with (+)-alpha-pinene, (-)-beta-pinene, (+)-beta-pinene, 6-methyl-5-hepten-2-one, (-)-beta-bisabolene, beta-ionone, and myristicin had an odor sensation, which included notes of "carrot top", "terpene-like", "green", "earthy", "fruity", "citrus-like", "spicy", "woody", and "sweet".”
t0“Carrots”
The same questions in other papers
storage · molecular: metabolites · Daucus carota (carrot)Positive and negative results
4 papers in the same direction as this paper · 7 in the opposite direction
- positive
- positive
- no effect
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See all 12 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.