scholarly journals EFFECT OF DIETARY HERBAL ESSENTIAL OILS ON THE PERFORMANCE AND MEAT QUALITY OF FEMALE TURKEYS BROILERS

2021 ◽  
Vol 19 (2) ◽  
pp. 130-138
Author(s):  
M. Oblakova ◽  
P. Hristakieva ◽  
N. Mincheva ◽  
I. Ivanova ◽  
M. Lalev ◽  
...  

During the last years, the addition of essential oils to livestock rations became increasingly popular. Numerous studies have proved the antibacterial properties of herbal essential oils (ЕО) along with antioxidant, anticarcinogenic and digestive properties. They are also used as growth promoters of livestock. With this regard, the purpose of the present study was to investigate the effect from addition of 0.01% essential oils (EO) from Matricaria chamomilla; Rosmarinus officinalis; Lavandula angustifolia; Origanum vulgare; Thymus vulgaris; Hypericum perforatum to the feed of turkey broilers on live body weight, feed consumption, slaughter traits, fatty acid content and meat quality. Female turkey broilers, were divided into 7 groups of 15 birds in each after being weighed and labelled (each group comprised 3 subgroups of 5 birds). Groups were one control (С) and six experimental (Т1, Т2, Т3, Т4, Т5, Т6). The control (С) group of turkeys received feed according to the requirements of their age without herbal essential oils. The experimental groups received the same diet supplemented as followed: group Т1- 0.01% EO from Matricaria chamomilla; Т2- 0.01% EO from Rosmarinus officinalis; Т3- 0.01% EO from Lavandula angustifolia; Т4-0.01% EO from Origanum vulgare; Т5- 0.01% EO from Thymus vulgaris; Т6- 0.01% EO from Hypericum perforatum). The addition of 0.01% ЕО of abovementioned herbs influences breast and thigh meat pH measured at 24th post mortem hour (pH24) (Р<0.05). The highest value L* in breast meat was demonstrated in birds supplemented with EO from Lavandula angustifolia (T3) and lowest L* in group T5 at (Р<0.05). The highest value L* in thigh meat was measured in birds from group Т2 (ЕО from Rosmarinus officinalis) and the lowest- in group Т5 (ЕО from Thymus vulgaris). The redness (a*) and yellowness (b*) of breast meat did not differ significantly among the groups (Р>0.05), yet a* and b* values showed considerable differences in thigh meat (Р<0.05). The dietary EO also had an effect on thigh meat L*, a* and b* - parameters of meat colour. Cooking loss % of breast meat was the highest in the control group- 35.12% and the lowest in group Т5 (Thymus vulgaris EO) - 23.69% and group Т6 (Hypericum perforatum EO) - 24.78% (Р<0.001). The addition of herbal ЕО to the ration of turkey broilers did not influence the content of saturated and unsaturated fatty acids (linoleic acid, ά-linolenic acid, arachidonic acid, eicosapentaenoic acid and docosahexaenoic acid) of breast and thigh meat of birds from experimental groups.

2007 ◽  
Vol 104 (2) ◽  
pp. 774-782 ◽  
Author(s):  
Suzana I. Dimitrijević ◽  
Katarina R. Mihajlovski ◽  
Dušan G. Antonović ◽  
Mirjana R. Milanović-Stevanović ◽  
Dušan Ž. Mijin

2017 ◽  
Vol 29 (2) ◽  
pp. 135-141 ◽  
Author(s):  
Elżbieta Wojciechowicz-Żytko ◽  
Beata Jankowska

Abstract During two seasons of observations, 244 specimens of hoverflies belonging to 16 species and four trophic groups were collected from herb flowers. Predatory species constituted about 50% of all the registered species and from 55% (2010) to 64% (2011) of all the specimens found. The most numerous flower-visiting species within this group were small, poor flyers, typical of communities with low plants - Sphaerophoria scripta (Linnaeus 1758) (19.6% in 2010 and 23.5% in 2011) and Eupeodes corollae (Fabricius 1794) (13.4% and 12.1%, respectively). Both species were classified to the eudominant group. Syrphus vitripennis (Meigen 1822) and Melanostoma mellinum (Linnaeus 1758) were classed as dominants. Non-predatory saprophagous species from the subfamily Eristalinae constituted about 25% of all collected species; the phytophagous group was scarce represented by Eumerus funeralis (Meigen 1822), E. strigatus (Fallen 1817) and Merodon rufus (Meigen 1838). Of the coprophagous species, only Syritta pipiens (Linnaeus 1758) was collected (6.8-8.0%). There were clear differences between flowers in terms of feeding visits by adult hoverflies. Matricaria chamomilla L. and Thymus vulgaris L. were the most attractive flowers, whereas Origanum vulgare L., Carum carvi L., Lavandula angustifolia L. and Hyssopus officinalis L. were of an intermediate visit status and Ocimum basilicum L. was relatively under-visited.


Plants ◽  
2021 ◽  
Vol 10 (11) ◽  
pp. 2489
Author(s):  
Cristina Laura Popa ◽  
Andreea Lupitu ◽  
Maria Daniela Mot ◽  
Lucian Copolovici ◽  
Cristian Moisa ◽  
...  

Many plants belonging to the Lamiaceae family are rich in essential oils (EOs) which are intensively used for aromatherapy, food and beverage flavoring, alternative medicine, cosmetics, and perfumery. Aerial parts of Thymus vulgaris L., Thymus pannonicus All., Lavandula angustifolia L., Lavandula x intermedia, Origanum vulgare L., and Origanum vulgare var. aureum L. were subjected to hydrodistillation, and both resulting fractions were analyzed. The purpose of this study was to determine the chemical composition, antioxidant activity, and total phenolic content of six essential oils and their corresponding hydrolats (HDs) through GC-MS and spectrophotometric analyses. Overall, 161 compounds were identified, some found exclusively in essential oils and others in hydrolats, making them individual products with specific end purposes. The total phenolic content was the highest for the Thymus vulgaris L. EOs (3022 ± mg GAE L−1), because of its high phenolic oxygenated monoterpenes content (thymol and carvacrol) and the smallest for the Lavandula angustifolia L. EOs (258.31 ± 44.29 mg GAE L−1), while hydrolats varied from 183.85 ± 0.22 mg GAE L−1 for Thymus vulgaris L. HD and 7.73 mg GAE L−1 for Thymus pannonicus All. HD. Significant antioxidant effects determined through DPPH• and ABTS•+ assays were also observed in samples with higher hydrophilic compounds. The highest antioxidant activity was determined for Thymus vulgaris L. EO and its corresponding HD. Although EOs are the principal traded economic product, HDs represent a valuable by-product that could still present intense antiseptic activities, similar to their corresponding EOs (thyme and oregano), or have multiple aromatherapy, cosmetics, and household applications (lavender and lavandin).


2011 ◽  
Vol 44 (5) ◽  
pp. 1541-1548 ◽  
Author(s):  
Geíza Alves de Azeredo ◽  
Tânia Lúcia Montenegro Stamford ◽  
Pollyana Campos Nunes ◽  
Nelson Justino Gomes Neto ◽  
Maria Elieidy Gomes de Oliveira ◽  
...  

2009 ◽  
Vol 45 (No. 2) ◽  
pp. 66-73 ◽  
Author(s):  
M. Zouhar ◽  
O. Douda ◽  
D. Lhotský ◽  
R. Pavela

The aim of this study was to assess the nematicidal activity of different essential oils from medicinal and aromatic plants for use in nematode management. Essential oils of <I>Eugenia caryophyllata, Origanum compactum, Origanum vulgare, Thymus matschiana</I> and <I>Thymus vulgaris</I> showed nematicidal activity against <I>Ditylenchus dipsaci.</I>


2013 ◽  
Vol 33 (2) ◽  
pp. 163-171 ◽  
Author(s):  
Evandro Leite de Souza ◽  
Geíza Alves de Azerêdo ◽  
Jossana Pereira de Sousa ◽  
Regina Celia Bressan Queiroz de Figueiredo ◽  
Tânia Lúcia Montenegro Stamford

2012 ◽  
Vol 9 (4) ◽  
pp. 298-304 ◽  
Author(s):  
Geíza Alves de Azerêdo ◽  
Tânia Lúcia Montenegro Stamford ◽  
Regina Celia Bressan Queiroz de Figueiredo ◽  
Evandro Leite de Souza

Molecules ◽  
2021 ◽  
Vol 26 (17) ◽  
pp. 5237
Author(s):  
Yafang Guo ◽  
Romeo Pizzol ◽  
Simone Gabbanini ◽  
Andrea Baschieri ◽  
Riccardo Amorati ◽  
...  

Essential oils (EOs) have promising antioxidant activities which are gaining interest as natural alternatives to synthetic antioxidants in the food and cosmetic industries. However, quantitative data on chain-breaking activity and on the kinetics of peroxyl radical trapping are missing. Five phenol-rich EOs were analyzed by GC-MS and studied by oxygen-uptake kinetics in inhibited controlled autoxidations of reference substrates (cumene and squalene). Terpene-rich Thymus vulgaris (thymol 4%; carvacrol 33.9%), Origanum vulgare, (thymol 0.4%; carvacrol 66.2%) and Satureja hortensis, (thymol 1.7%; carvacrol 46.6%), had apparent kinh (30 °C, PhCl) of (1.5 ± 0.3) × 104, (1.3 ± 0.1) × 104 and (1.1 ± 0.3) × 104 M−1s−1, respectively, while phenylpropanoid-rich Eugenia caryophyllus (eugenol 80.8%) and Cinnamomum zeylanicum, (eugenol 81.4%) showed apparent kinh (30 °C, PhCl) of (5.0 ± 0.1) × 103 and (4.9 ± 0.3) × 103 M−1s−1, respectively. All EOs already granted good antioxidant protection of cumene at a concentration of 1 ppm (1 mg/L), the duration being proportional to their phenolic content, which dictated their antioxidant behavior. They also afforded excellent protection of squalene after adjusting their concentration (100 mg/L) to account for the much higher oxidizability of this substrate. All investigated EOs had kinh comparable to synthetic butylated hydroxytoluene (BHT) were are eligible to replace it in the protection of food or cosmetic products.


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