Herb and oil composition of dill (Anethum graveolens L.): Effects of crop maturity and plant density

Callan, Nancy W.; Johnson, Duane L.; Westcott, M. P.; Welty, L. E.

doi:10.1016/j.indcrop.2006.12.007

Cited by 75 publications

(40 citation statements)

References 5 publications

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“…There was no significant difference within the position of the main and primary umbels on the dill plants grown in field stands. This is in agreement with other experiments done by Callan et al (2007), who found out that changes in the seed stalk architecture, through different plant density in the field, had no effect on the final green mass production and oil quality. In addition, Woyke and Łazęcka (1994) confirmed that since dill flowers and seeds gradually bloom and ripen in umbels, like other plants from the Apiaceae family, the stage of harvest has a crucial effect on their quality.…”

Section: Resultssupporting

confidence: 93%

Effect of umbel position on dill (Anethum graveolens L.) plants growing in field stands on selected seed stalk features

Hołubowicz

Morozowska

2011

Folia Horticulturae

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Research was carried out on the effect of the umbel position on the 'Amat' dill (Anethum graveolens L.) plant on selected features of the seed stalk in the years [2002][2003][2004]. Commercial seeds of the species were sown on a small production field and grown for the purpose of producing seeds. Out of the field plant stands, three hundred plants were randomly selected. The following morphological features were then measured in respect to the seed stalk architecture in these plants: the length of the seed stalk, number of branches with primary, secondary and tertiary umbels, length of branches with primary umbels, as well as the main and primary umbel diameters. In addition, seed yield per plant, the weight of 1000 seeds, germination capacity, seed length and width, seed embryo and endosperm lengths for seeds from the main and primary umbels were also calculated and measured. Additionally, the main and primary umbels were divided into three parts: external, middle and internal, and seeds from each were examined separately. The position of the umbel on the seed stalk did not affect the number of branches with primary, secondary, and tertiary umbels on the dill plant and had no effect on its seed stalk architecture. There was no significant difference within the position of the main and primary umbels on the seed stalk grown in field stands. The diameter of the main umbel was the same as the primary one. The lower its position on the seed stalk, the lower the seed yield and germination capacity. The best seeds, in terms of their 1000 seed weight, came from the external part of the main umbel. The different localisation of seeds within the three designated parts of the main umbel had no effect on seed length or width or on their endosperm and embryo lengths. The recorded seed embryo length from the internal part of the primary umbel was smaller than its values from the two other parts of that umbel.

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Section: Resultssupporting

confidence: 93%

Effect of umbel position on dill (Anethum graveolens L.) plants growing in field stands on selected seed stalk features

Hołubowicz

Morozowska

2011

Folia Horticulturae

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“…Another difference is that we used a hydro alcoholic pure extract of dill, however, in those former studies combination preparation of several herbs with 68 % of dill, patented as “ Anethum ” was investigated [21]. It is shown that plant density and harvest timing influences dill oil composition in a complimentary manner[25]. Moreover the lack of standardization in herbal preparation may affect the content of the active ingredient and its efficacy [26].…”

Section: Discussionmentioning

confidence: 99%

The effect of 12 weeks Anethum graveolens (dill) on metabolic markers in patients with metabolic syndrome; a randomized double blind controlled trial

et al. 2012

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BackgroundThe clustering of metabolic abnormalities defined as metabolic syndrome is now both a public health and a clinical problem .While interest in herbal medicine has greatly increased, lack of human evidence to support efficacies shown in animals does exist. This clinical trial study designed to investigate whether herbal medicine, Anethum graveolens (dill) extract, could improve metabolic components in patients with metabolic syndrome.MethodsA double-blind, randomized, placebo-controlled trial using a parallel design was conducted. 24 subjects who had metabolic syndrome diagnostic criteria (update of ATP III) were randomly assigned to either dill extract (n = 12) or placebo (n = 12) for 3 months.ResultsAcross lipid component of metabolic syndrome, no significant differences in triglyceride (TG) concentration and high density lipoprotein cholesterol were seen between the two groups. However TG improved significantly from baseline (257.0 vs. 201.5p = 0.01) with dill treatment but such a significant effect was not observed in placebo group. Moreover, no significant differences in waist circumference, blood pressure and fasting blood sugar were seen between two groups after 3 months follow up period.ConclusionIn this small clinical trial in patients with metabolic syndrome, 12 weeks of dill extract treatment had a beneficial effect in terms of reducing TG from baseline. However dill treatment was not associated with a significant improvement in metabolic syndrome related markers compared to control group. Larger studies might be required to prove the efficacy and safety of long-term administration of dill to resolve metabolic syndrome components.

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“…There are various researches referring to oil quality and changes in improving fruits of other species of Apiaceae, such as Carum carvi (Bouwmeester et al, 1995), coriander (Telci et al, 2006;Msaada et al, 2007), dill (Callan et al, 2007), and fennel (Ozcan and Chalchat, 2006;Telci et al, 2009) confirmed that the oil content of the fruits in initial periods were higher than later ones, which generally reduced regularly from early maturation to subsequent stages. According to their results, the maximum yield was obtained from immature fruits that are in agreement with our results.…”

Section: Essential Oil Yieldmentioning

confidence: 99%

Variation in essential oil composition and antioxidant activity of cumin (Cuminum cyminum L.) fruits during stages of maturity

Moghaddam

Miran

Pirbalouti

et al. 2015

Industrial Crops and Products

101

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Herb and oil composition of dill (Anethum graveolens L.): Effects of crop maturity and plant density

Cited by 75 publications

References 5 publications

Effect of umbel position on dill (Anethum graveolens L.) plants growing in field stands on selected seed stalk features

Effect of umbel position on dill (Anethum graveolens L.) plants growing in field stands on selected seed stalk features

The effect of 12 weeks Anethum graveolens (dill) on metabolic markers in patients with metabolic syndrome; a randomized double blind controlled trial

Variation in essential oil composition and antioxidant activity of cumin (Cuminum cyminum L.) fruits during stages of maturity

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