Distribution of phenolic compounds in the graded flours milled from whole buckwheat grains and their antioxidant capacities

Hung, Pham Van; Morita, Naofumi

doi:10.1016/j.foodchem.2007.12.060

Cited by 132 publications

(112 citation statements)

References 19 publications

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“…Vsebnost vitamina B 3 pada proti sredini zrna (frakcije moke iz zunanjih plasti vsebujejo 3,3 mg/g, moka iz notranjih plasti 1,2 mg/g vitamina B 3 ) (Hung & Morita 2008).…”

Section: Mlevske Frakcijeunclassified

“…Vsebnost flavonoidov v mlevskih frakcijah je 5-140 mg/100 g, večina flavonoidov je prostih, le del pa vezanih. Tudi večina rutina je prostega, do okoli 20 % pa je lahko tudi vezanega (Hung & Morita 2008). O podobni razporeditvi rutina po frakcijah moke (moka iz zunanjih plasti 5,23-7,40 mg/g, moka iz srednjih plasti zrn 3,10-4,13 mg/g, moka iz notranjih plasti 0,47-0,975 mg/g) so poročali že Piao & Li (2001).…”

Section: Flavonoidi V Ajdiunclassified

“…Antioksidativna aktivnost se povečuje proti zunanjim plastem ajdovega zrna. Celokupna antioksidativna kapaciteta narašča s frakcijami, ki vsebujejo več zunanjih plasti ajdovih zrn (Hung & Morita 2008).…”

Section: Fenolne Spojine In Antioksidativna Aktivnost Ajdeunclassified

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Izhodišča za raziskave učinkov flavonoidov, taninov in skupnih beljakovin v frakcijah zrn navadne ajde (Fagopyrum esculentum Moench) in tatarske ajde (Fagopyrum tataricum Gaertn.) / Starting points for the study of the effects of flavonoids, tannins ...

Vombergar

Škrabanja²,

Luthar³

et al. 2017

Folia Biologica Et Geologica

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IZVLEČEKIzhodišča za raziskave učinkov flavonoidov, taninov in skupnih beljakovin v frakcijah zrn navadne ajde (Fagopyrum esculentum Moench) in tatarske ajde (Fagopyrum tataricum Gaertn. ) V svetu in v Sloveniji uporabljamo za hrano predvsem dve vrsti ajde, navadno ajdo (Fagopyrum esculentum) in tatarsko ajdo (Fagopyrum tataricum). Zanimanje za ajdo se je povečalo zaradi njene prehranske vrednosti. Za razliko od žit, pri katerih primanjkuje lizina, so beljakovine ajde zelo kakovostne, s primerno aminokislinsko sestavo glede na potrebe ljudi. Poleg kakovostnih beljakovin je pomembna vsebnost flavonoidov (rutina in kvercetina), vsebnost mineralnih elementov, prehranskih vlaknin, pa tudi zmožnost uspevanja v mejnih območjih kmetijske pridelave. Eden od razlogov za priljubljenost pridelovanja ajde je odpornost ajde proti patogenom in boleznim ter uspešno tekmovanje z rastjo plevelov. Torej je ajda primerna za ekološko pridelovanje. Ajdovo zrnje nima glutena, zato je varno za ljudi s celiakijo, ki lahko uživajo le brezglutensko hrano. Uporaba zrnja in moke tatarske ajde v prehrani se v novejšem času povečuje zaradi visoke vsebnosti rutina v primerjavi z navadno ajdo. Tatarsko ajdo so vsaj 200 let že pridelovali v Sloveniji, se je pa pridelovanje prenehalo v drugi polovici 20. stoletja. V nekaterih predelih Bosne in Hercegovine ter v mejnem območju Islek (severni Luksemburg, Westeifel v Nemčiji in obmejno območje Belgije) so bila še nedavno edina območja v Evropi s pridelavo tatarske ajde za prehrano ljudi. V zadnjih desetih letih se pridelovanje tatarske ajde vrača tudi v Slovenijo. ABSTRACT Starting points for the study of the effects of flavonoids, tannins and crude proteins in grain fractions of common buckwheat (Fagopyrum esculentum Moench) and Tartary buckwheat (Fagopyrum tataricum Gaertn.)Two species of buckwheat are mainly used around the world and in Slovenia: common buckwheat (Fagopyrum esculentum) and Tartary buckwheat (Fagopyrum tataricum).The renewed interest in buckwheat is based on its nutritional value. Unlike cereals, which are deficient in lysine, buckwheat has excellent protein quality due to a balanced essential amino acid composition. Emphasised are the high protein quality, the concentration of flavonoids (rutin and quercetin), mineral elements and dietary fibre, and the ability to grow in marginal areas. One of the reasons for its popularity is the relative resistance of buckwheat to pest and diseases, and the ability to repress weeds. Buckwheat is thus suitable for ecological cultivation. It does not contain gluten proteins, so it is safe for people who require gluten-free diet (coeliac disease). Tartary buckwheat grain and flour are recently increasingly used in preparing dishes due to its even much higher content of rutin in comparison with common buckwheat. Tartary buckwheat has been cultivated to some extent in Slovenia for centuries, but this ceased before the end of the 20 th century. Some parts of Bosnia and Herzegovina, and the cross-border region Islek -which includes northern Luxemb...

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“…Vsebnost vitamina B 3 pada proti sredini zrna (frakcije moke iz zunanjih plasti vsebujejo 3,3 mg/g, moka iz notranjih plasti 1,2 mg/g vitamina B 3 ) (Hung & Morita 2008).…”

Section: Mlevske Frakcijeunclassified

Section: Flavonoidi V Ajdiunclassified

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Izhodišča za raziskave učinkov flavonoidov, taninov in skupnih beljakovin v frakcijah zrn navadne ajde (Fagopyrum esculentum Moench) in tatarske ajde (Fagopyrum tataricum Gaertn.) / Starting points for the study of the effects of flavonoids, tannins ...

Vombergar

Škrabanja²,

Luthar³

et al. 2017

Folia Biologica Et Geologica

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“…Flavonoids were expressed as rutin and quercetin equivalent. The calibration curves of rutin and quercetin were done by using standard solutions of 5, 10, 20, 40 and 80 μg/mL in 80% ethanol (v/v) and 12.5, 25, 50, 66.6 and 100 μg/mL in 80% ethanol (v/v), respectively and treated similarly (Hung and Morita, 2008).…”

Section: Total Flavonoidsmentioning

confidence: 99%

Elicitation induced flavonoids, phenolic constituents, antioxidant and cytotoxic activities of Artemisia monosperma callus cultures

Al-Gendy¹,

Ali²,

Hamdan³

et al. 2016

J. Med. Plants Res.

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“…Total flavonoids in 1 g sample were extracted with 10 ml 80% ethanol for 20 min with continuous shaking [30]. After centrifugation for 10 min, the supernatant was collected.…”

Section: Total Flavonoidsmentioning

confidence: 99%

Variations of Plant Macronutrients and Secondary Metabolites Content in Response to Radionuclides Accumulation

Hegazy¹,

Sl²,

Hf³

et al. 2013

J Bioremed Biodeg

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Current knowledge on the basic radionuclide tolerance indicates that plants may develop mechanisms preventing the damaging effects of radionuclide stress. The radionuclides content was determined in the Mediterranean coastal black sand soil and in the edible portions of the four food crop plant species, viz., Eruca sativa, Lycopersicon esculentum, Pasidium guajava and Mangifera indica. Biochemical and nutritional constituents were assessed to elucidate the possible effect of radionuclides on the edible portions of the plants. The ability of the four study plant species to accumulate Uranium and Thorium in their edible portions from the coastal black sand soil is higher than that absorbed from the inland agricultural soils. The nutritional constituents were affected by the high concentrations of Uranium and Thorium in the plant tissues. The total protein, moisture content, total phenolic compounds, total chlorophyll, total carotenoids, β-Carotene and Lycopene were positively correlated with Uranium and Thorium concentrations in the plant tissues, while the mineral content, vitamin C and total flavonoids were suppressed by high concentrations of Uranium and Thorium in the plant tissues. The fluctuations in the biochemical or nutritional constituents of the plant edible portions are considered an important defense mechanism to control the redox state of the cells accumulating radionuclides with high levels. Journal of Bior emediation & Biodegradation

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Distribution of phenolic compounds in the graded flours milled from whole buckwheat grains and their antioxidant capacities

Cited by 132 publications

References 19 publications

Izhodišča za raziskave učinkov flavonoidov, taninov in skupnih beljakovin v frakcijah zrn navadne ajde (Fagopyrum esculentum Moench) in tatarske ajde (Fagopyrum tataricum Gaertn.) / Starting points for the study of the effects of flavonoids, tannins ...

Izhodišča za raziskave učinkov flavonoidov, taninov in skupnih beljakovin v frakcijah zrn navadne ajde (Fagopyrum esculentum Moench) in tatarske ajde (Fagopyrum tataricum Gaertn.) / Starting points for the study of the effects of flavonoids, tannins ...

Elicitation induced flavonoids, phenolic constituents, antioxidant and cytotoxic activities of Artemisia monosperma callus cultures

Variations of Plant Macronutrients and Secondary Metabolites Content in Response to Radionuclides Accumulation

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