Chemical Composition and Nutritive Value of Oak<i>(Quercus robur)</i>Nut and Leaves

Kiliç, Ünal; Boğa, Mustafa; Güven, İnan

doi:10.1080/09712119.2010.9707165

Cited by 20 publications

(16 citation statements)

References 7 publications

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“…Moreover, depending on variety and occurrence area, these acorns contain from 2.97% to 3.48% DM tannins and from 4.29% to 4.58% DM total phenolics [ 5 ]. The tannin content of acorns from Polish oaks can reach 7%, but far greater amounts are found in the shell—42.2 g/kg DM [ 10 , 11 ]. Tannins have a high antioxidant capacity; however, binding to proteins reduces their digestibility [ 12 , 13 ].…”

Section: Introductionmentioning

confidence: 99%

The Quality and Health-Promoting Value of Meat from Pigs of the Native Breed as the Effect of Extensive Feeding with Acorns

Szyndler-Nędza

Świątkiewicz

Migdał

et al. 2021

Animals

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The popularity of meat from animals of native breeds is growing all over the world, due to consumer belief regarding its higher quality compared to meat from industrial farm animals. In addition, the living conditions (welfare) are of great importance for consumers. We observed the effect of different ways of keeping and feeding pigs of the same conservative breed on the quality of meat and its health benefits. The aim of the study was to compare the meat quality from pigs of the native Złotnicka Spotted breed, fattened intensively or extensively (with conventional farm-produced compound feed and acorns). The meat from free-range pigs extensively fed on silage and small amounts of acorns was characterized by a higher content of fat, which acts as a carrier for flavor and juiciness, as well as higher monounsaturated fatty acid (MUFA) content (p ≤ 0.05) and lower atherogenic, thrombogenic, and peroxidability indices (p ≤ 0.05). It may be stated that the meat quality of the native pig breed is significantly dependent on the housing and feeding method. A more beneficial effect on the quality of meat and its dietetic value, as well as its susceptibility to rancidity, can be obtained throughextensive pig feeding with roughage and the addition of acorns.

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Section: Introductionmentioning

confidence: 99%

The Quality and Health-Promoting Value of Meat from Pigs of the Native Breed as the Effect of Extensive Feeding with Acorns

Szyndler-Nędza

Świątkiewicz

Migdał

et al. 2021

Animals

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“…However, roughage is required during drought seasons and winter months. For this reason, it was reported that some of the shrubs, thorny plants and tree leaves can be used as an alternative roughage feeds [ 1 , 2 , 3 , 4 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Determination of the In Vitro Gas Production and Potential Feed Value of Olive, Mulberry and Sour Orange Tree Leaves

et al. 2018

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This study was conducted to determine the potential nutritive value and in vitro gas production (IVGP) parameters of Olea europaea L. (Olive = OL), Morus alba L. (Mulberry = ML) and Citrus aurantium L. (Sour orange = SOL) tree leaves. Hohenheim gas test was used to determine the in vitro gas productions of the leaves. The gas production of samples over time was recorded for 3, 6, 9, 12, 24, 48, 72 and 96 h after incubation. Completely Randomized Design was used to compare gas production, and gas production kinetics of samples. The findings of the present study suggested that there were differences among the tree leaves in terms of crude protein, NDF, in vitro gas productions, organic matter digestibility (OMD), metabolisable energy (ME), net energy lactation (NEL) and relative feed values (RFV) (P<0.01). ML had the highest condensed tannin contents (P<0.05), in vitro gas production (IVGP), OMD and energy values (P<0.01). SOL had highest RFV values. OL showed the lowest IVGP when compared to SOL and ML. Low NDF and ADF contents of SOL would probably increase the voluntary intake, digestibility and relative feed values of these leaves by ruminants. In conclusion, it was determined that OL, ML and SOL used in the study have low in vitro gas production and can be utilized as alternative roughage feed in ruminants. However, it is recommended that the results obtained from this research should be tested in in vivo studies.

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“…However, acorns have been reported as moderate source of protein (7.5 mg/100 g) and tocopherols (2-11.2 mg/100 g) (Cantos et al 2003, Kilic et al 2010, whereas domesticated species of Ficus (F. carica, the common fig) is a good source of dietary fiber and calcium (Morton 1897). In addition, only one preliminary study shows the nutritional composition of the Cnidoscolus maculatus seeds (misreported as C. angustidens), these are high in proteins (30-36 %) and lipids (26 %) (León-de la Luz et al 1999).…”

Section: Discussionmentioning

confidence: 99%

Prioritizing Wild Edible Plants for potential new crops based on Deciduous Forest traditional knowledge by a Rancher community

Pío-León¹,

Delgado‐Vargas

Luz³

et al. 2017

Bot. Sci.

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Background: Several ethnobotanical indices evaluate the importance of wild edible plants (WEPs), but most of them consider mainly anthropological/cultural information; thus, their appropriate use for selection of priority species for developing new crops is difficult. In Mexico, few ethnobotanical studies involve ranchers of non-indigenous communities and the distribution of their knowledge. Hypotheses: Application of a proper ethnobotanical index and taking account the plant culinary characteristics permit the selection of the most important WEPs for food security. Knowledge about WEPs is homogeneously distributed among the ranchers. Study site and dates: Fifty-three semi-structured interviews about the use of WEPs among the ranchers of Southern Baja California were conducted in 2015. Methods: Plant importance was determined by the Food Significance Index (FSI) and the Salience Index (SI). Priority species for food security were selected by analyzing the index values of plants and their culinary uses. Results: Fifty-one taxa of WEPs were recorded, mostly fruits and vegetables. FSI grouped a more diverse selection of plantfoods in the top rated species than SI; however, both identified almost the same priority species after considering the culinary prioritization of the analyzed species. The number of WEPs cites was higher for men (26) than for women (19). Conclusions: Analysis of WEPs using ethnobotanical indexes (FSI/SI) and culinary information permits the selection of food priority species reducing the bias of the index for one kind of food. Stenocereus thurberi, S. gummosus, Matelea cordifolia, and Cnidoscolus maculatus were the selected priority species with potential to be new crops. Key word: Wild edible plants, deciduous forest, dry forest, ethnobotany, ethnobotanical indices, Southern Baja California Priorizando las plantas silvestres comestibles con uso potencial para nuevos cultivos con base en el conocimiento tradicional del bosque caducifolio. Resumen Antecedentes: Varios índices etnobotánicos evalúan la importancia de las plantas silvestres comestibles (PSCs); sin embargo, la mayoría de ellos consideran principalmente características antropológicas/culturales, por lo que es difícil emplearlos para seleccionar especies prioritarias para desarrollarse como nuevos cultivos. En México, existen pocos estudios etnobotánicos enfocados en la cultura del ranchero de grupos no indígenas y sobre cómo su conocimiento está distribuido. Hipótesis: La aplicación de un índice etnobotánico adecuado y tomando en cuenta la diversidad culinaria de las PSCs, permitirá la selección de las especies más apropiadas para la seguridad alimentaria de la región. El conocimiento sobre las PSCs se distribuye homogéneamente entre los rancheros. Sitio y año de estudio: Durante el 2015, se realizaron 53 entrevistas semi-estructuradas acerca del uso de plantas silvestres comestibles entre los rancheros de la Región del Cabo, Baja California Sur. Métodos: La importancia de las especies se estimó mediante el Índice de Importa...

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Chemical Composition and Nutritive Value of Oak(Quercus robur)Nut and Leaves

Cited by 20 publications

References 7 publications

The Quality and Health-Promoting Value of Meat from Pigs of the Native Breed as the Effect of Extensive Feeding with Acorns

The Quality and Health-Promoting Value of Meat from Pigs of the Native Breed as the Effect of Extensive Feeding with Acorns

Determination of the In Vitro Gas Production and Potential Feed Value of Olive, Mulberry and Sour Orange Tree Leaves

Prioritizing Wild Edible Plants for potential new crops based on Deciduous Forest traditional knowledge by a Rancher community

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