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Wyszukujesz frazę "blackberry" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Pathway analysis to determine factors contributing to overall quality scores in four berry crops
Autorzy:
Cockerton, H.
Blanco Unzueta, M.
Johnson, A.W.
Vadillo Dieguez, A.
Fernandez Fernandez, F.
Powiązania:
https://bibliotekanauki.pl/articles/1077482.pdf
Data publikacji:
2020
Wydawca:
Instytut Ogrodnictwa
Tematy:
berry plant
blackberry
blueberry
raspberry
strawberry
fruit quality
environmental factor
agronomic factor
genetic factor
berry crop
Opis:
Fruit quality attributes are influenced by environmental, agronomic and genetic factors; both cultivars and growing conditions can vary substantially between UK production and imported fruit. This study aimed to record and dissect the most relevant fruit quality traits for berries imported into the UK in the winter months. Blackberry, blueberry, raspberry and strawberry fruit were imported from 11 countries into a Kent-based packhouse (UK) or purchased from major retailers between December 2018 and March 2019. Multiple fruit quality components were assessed for relative contribution towards a high “overall assessment” fruit quality score. It was found that strawberry and blackberry overall scores were affected by sweetness perception, whereas blueberry and raspberry organoleptics are more complex, with overall scores influenced by flavor perception. Multiple raspberry and strawberry fruit quality traits were found to be associated with genotypic differences, indicating a promising potential for genetic improvement through breeding. By contrast, the study findings suggest that there is less potential for genetic improvement in blueberry, and that the environment may have a large effect on blueberry fruit quality traits.
Źródło:
Journal of Horticultural Research; 2020, 28, 2; 35-42
2300-5009
Pojawia się w:
Journal of Horticultural Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maintenance of postharvest quality of blackberry (Rubus fructicosus L.) fruits through salicylic acid and CaCl2 immersions
Autorzy:
Sabir, F.
Sabir, A.
Ozcelik, S.
Kucukbasmaci, A.
Powiązania:
https://bibliotekanauki.pl/articles/12662056.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Tematy:
Turkey
plant cultivation
blackberry
Rubus fructicosus
fruit bush
postharvest quality
salicylic acid
calcium chloride
cold storage
Opis:
Blackberries (Rubus spp.) have significant nutraceutical properties, providing phenolic compounds for the consumers. These compounds are useful to human health due to their high antioxidant activity. However, most blackberries destined for fresh markets become unmarketable in 2 to 3 days due to decay and leakage, because they have thin and fragile skin. The present study was aimed to investigate the effect of salicylic acid (SA) and calcium chloride (CaCl2) on extending the postharvest quality and bioactive compounds of blackberry during refrigerated storage. Blackberry fruits cv. ‘Jumbo’ were dipped in 2% CaCl2, or in 2.0 mM salicylic acid (SA) for 10 min. Total soluble solids contents, titratable acidity, pH, ascorbic acid contents, total phenolics contents, and total antioxidant activity were investigated initially on 4th, 7th, or 10th day (d) of storage. Changes in fresh weight, titratable acidity, ascorbic acid and total phenol contents were markedly delayed by both treatments. Berries treated with 2 mM SA or 2% CaCl2 exhibited markedly better visual quality during the storage period. Considering the overall findings, this study revealed that postharvest SA or CaCl2 applications maintained the storage-life and conserved the valuable marketing features of blackberries over 10 d in cold storage, presumably due to their inhibitory effects on fruit senescence.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2019, 18, 4; 121-128
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tribological properties of blackberry waste seed extract obtained under supercritical Co2 conditions with sorbitan esters compositons
Właściwości tribologiczne kompozycji ekstraktu z odpadowych nasion jeżyny otrzymywanego w warunkach nadkrytycznego dwutlenku węgla z estrami sorbitanu
Autorzy:
Małysa, A.
Powiązania:
https://bibliotekanauki.pl/articles/189745.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
blackberry extract
extraction under supercritical carbon dioxide conditions
sorbitan esters
ekstrakt z jeżyny
ekstrakcja w warunkach nadkrytycznego CO2
estry sorbitanu
Opis:
This paper presents results of tribological research of a composition containing as a base, extract of waste blackberry seeds obtained by extraction under supercritical carbon dioxide conditions with sorbitan esters as additives (sorbitan trioleate (STO) sorbitan monolaurate (MLS) and etoxylated sorbitan monolaurate (EO20MLS)). The influence of the concentration of surfactants on the motion resistance, wear and anti-seize properties of the obtained lubricants was analysed. Two types of tests were performed: seizure, with linear load increase and constant load (four-ball device T02). The obtained test results compared to the results for the base (pure extract) to paraffin oil and rapeseed oil were related. It was found that the addition of sorbitan esters to the extract has a greater effect on the improvement of anti-seizure properties than on the reduction of resistance to movement and wear to the base.
W artykule przedstawiono wyniki badań tribologicznych kompozycji smarowych zawierających jako bazę ekstrakt z odpadowych nasion jeżyny pozyskany metodą ekstrakcji w warunkach nadkrytycznego dwutlenku węgla i jako dodatki estry sorbitanu: trioleinian sorbitanu (STO), monolaurynian sorbitanu (MLS) i oksyetylenowany 20 molami tlenku etylenu monolaurynian sorbitanu (EO20MLS). Analizowano wpływ stężenia i rodzaju surfaktanta na opory ruchu, zużycie oraz właściwości przeciwzatarciowe otrzymanych środków smarowych. Wykonano dwa rodzaje testów: zatarciowe, z liniowym narostem obciążenia oraz przy stałym obciążeniu (aparat czterokulowy-T02). Otrzymane wyniki badań odniesiono do rezultatów otrzymanych dla bazy (czysty ekstrakt) oraz do oleju rzepakowego i parafinowego. Stwierdzono, że dodatek estrów sorbitanu do ekstraktu w większym stopniu wpływa na polepszenie właściwości przeciwzatarciowych niż na obniżenie oporów ruchu i zużycia względem bazy.
Źródło:
Tribologia; 2018, 278, 2; 89-93
0208-7774
Pojawia się w:
Tribologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ warunków świetlnych panujących pod okapem drzewostanu na wielkość osobnika jeżyny gruczołowatej (Rubus hirtus Waldst. i Kit. agg.)
Effect of light conditions under the stand canopy on the size of blackberry (Rubus hirtus Waldst. and Kit. agg.) individuals
Autorzy:
Gazda, A.
Janas, G.
Powiązania:
https://bibliotekanauki.pl/articles/973866.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
drzewostany
dno lasu
warunki swietlne
Rubus hirtus
leśnictwo
krzewy leśne
jerzyna gruczołowata
wzrost roślin
wielkość
light conditions
specimen size
blackberry
rubus hirtus
Opis:
The objective of the study was to determine the effect of the forest floor light conditions on the size of blackberries. The research was conducted in the Forest Experimental Station (LZD) in Krynica (49°26'N, 20°52'E). In autumn 1999, 30 individuals were collected from two selected blackberry patches. The crown closure over the blackberry patch situated in the stand with a broken canopy accounted for 21%, while that over the patch located in the stand with the full canopy cover – 3%. The average weight of individuals from the patch beneath the dense canopy was 1.937 ±1.364 g, while individuals growing under a more open canopy were ten times greater and amounted to 18.027 ±11.993 g. The average length of shoots of individuals growing under the dense canopy was five times larger and equalled 42.4 ±35.2 cm and 278.7 ±186.7 cm, respectively. Blackberries growing under a more open canopy established every second shoot (47%) with a length exceeding 50 cm potentially capable of producing roots and thereby progeny ramets. Only one in ten shoots (13%) in individuals growing under the dense canopy was longer than 50 cm. Individuals growing under a more open canopy were several times larger, which means that the blackberry positively responded to the increased access to light by increasing the size of individuals. However, a large share of live shoot lengths in the total length of an individual from the patch under a more open stand canopy compared to the share of this parameter in the total length of an individual growing under the dense canopy suggests that under favourable conditions the expansion of this species is highly probable.
Źródło:
Sylwan; 2011, 155, 06; 393-400
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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