Fructan stability in strawberry sorbets in dependence on their source and the period of storage

Topolska, Kinga; Filipiak‐Florkiewicz, Agnieszka; Florkiewicz, Adam; Cieśłik, Ewa

doi:10.1007/s00217-016-2783-0

Cited by 21 publications

(21 citation statements)

References 27 publications

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“…Inulin content was determined by the methods proposed by Megazyme [26] and Topolska et al [27]. The results were expressed in grams per 100 g of freeze-dried samples (n = 2).…”

Section: Identification Of Inulinmentioning

confidence: 99%

Moderation of Inulin and Polyphenolics Contents in Three Cultivars of Helianthus tuberosus L. by Potassium Fertilization

Michalska-Ciechanowska

Bogucka

Dubis

2019

Agronomy

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Jerusalem artichoke, a widely consumed edible, is an excellent source of inulin and selected phytochemicals. However, the improvement of its chemical composition by potassium fertilization has not yet been studied. Thus, the aim of the study was to evaluate the effect of different potassium (K) fertilization levels (K 2 O 150 kg ha −1 , 250 kg ha −1 , 350 kg ha −1 ) on the content of inulin; profile and changes in polyphenolic compounds; and the antioxidant capacity, including on-line ABTS antioxidant profiles of freeze-dried tubers originated from Violette de Rennes, Topstar, and Waldspindel cultivars. Inulin content was highest in the early maturing cv. Topstar. The application of 350 kg ha −1 of K fertilizer rates during the growth of cv. Topstar increased the inulin content of tubers by 13.2% relative to the lowest K fertilizer rate of 150 kg ha −1 . In cv. Violette de Rennes, inulin accumulation increased in response to the fertilizer rate of 250 kg ha −1 . A further increase in K fertilizer rates had no effect on inulin content. The inulin content of cv. Waldspindel was not modified by any of the tested K fertilizer rates. Thus, the accumulation of the inulin was cultivar-dependent. In the cultivars analyzed, 11 polyphenolic compounds were identified and polyphenolic compound content was affected by the applied rate of potassium fertilizer, which was dependent on the cultivar. Chlorogenic acid was the predominant phenolic acid in all cultivars, and it accounted for around 66.4% of the identified polyphenolic compounds in cv. Violette de Rennes and for around 77% of polyphenolic compounds in cv. Waldspindel and Topstar.

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“…Inulin content was determined by the methods proposed by Megazyme [26] and Topolska et al [27]. The results were expressed in grams per 100 g of freeze-dried samples (n = 2).…”

Section: Identification Of Inulinmentioning

confidence: 99%

Moderation of Inulin and Polyphenolics Contents in Three Cultivars of Helianthus tuberosus L. by Potassium Fertilization

Michalska-Ciechanowska

Bogucka

Dubis

2019

Agronomy

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“…Senga Sengana (Oerlemans Foods, Poland) were used. The sorbets were prepared according to [16]. These products contained calcium in the amount 7.82 mg/100 g -sorbet enriched in Jerusalem artichoke, 15.09 mg/100 g -sorbet enriched in yacon root powder, and 4.05 mg/100 g -sorbet enriched in Beneo Orafti Synergy 1, respectively.…”

Section: Methodsmentioning

confidence: 99%

“…The properties of these polysaccharides are depended on their structure, including the degree of polymerization. Some previous studies concerned several inulin-fructan sources, have shown that the chemical composition and action varies markedly [16,17,18,19,20]. Some evidence also shows the antioxidative action of fructan and a link between nutrients, antioxidant intake and bone health [21].…”

Section: Introductionmentioning

confidence: 99%

The effect of fructan-enriched diet on bone turnover parameters in ovariectomized rats under calcium restriction

Topolska¹,

Bieńko²,

Filipiak‐Florkiewicz³

et al. 2020

Ann Agric Environ Med.

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Introduction. Osteoporosis, the "quiet epidemic", is one of the most serious threats to public health. It is known that estrogen plays a significant role in the regulation of bone turnover, and its loss at menopause causes osteoporosis. Added to this, insufficient calcium intake accelerates bone mass loss, increasing the risk of fractures. Objective. The study aimed to answer the question whether a fructan-enriched diet could be helpful in preventing from disturbances in bone turnover caused by calcium restriction combined with ovariectomy-induced estrogen deficiency. The differences related to the kind of fructan and "matrix effect" of fructan action (form of addition) were also evaluated. Materials and method. The study was conducted using sham-operated (control groups) or ovariectomized (OVX) rats fed a calcium restricted diet. The treatment diets contained one of three fructan sources-Jerusalem artichoke, yacon and Beneo Orafti Synergy1-added alone or as an ingredient of strawberry sorbet, all in the amount providing 8% fructans. Analyses of biological material included: serum Ca, Mg and P concentrations, alkaline phosphatase activity (ALP), osteocalcin (OC) and C-telopeptide degradation products from type I collagen (CTX). Densitometric parameters of femora were also assayed. Results. Among markers of bone turnover, the ALP activity depended both on the kind of fructan and the form of addition. The highest value was shown in the OVX group fed a low-calcium diet, whereas administration of diet enriched with Jerusalem artichoke led to an almost 50% decrease in the value of this parameter. Dietary fructans also lowered the OC level. Feeding rats with diet containing sorbet enriched in yacon or Jerusalem artichoke resulted in a decrease of CTX, compared to the diet containing yacon alone or fructan formulation in both forms No significant differences were observed in densitometric parameters between treatment groups. Conclusions. The obtained findings suggest that fructan administration with a calcium-restricted diet might exert a positive effect on bone turnover parameters. Regarding the form of their addition, it is possible that other constituents of sorbets contributed to the fructan action. It remains open whether this impact would be significant over a longer period of time.

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“…Albik (pulp from tubers), yacon (Smallanthus sonchifoulis) -root powder (Oxapampa, Peru -EverTrust, UK) and Beneo Orafti Synergy 1 (Belgium) were used as the research materials -alone or as components of strawberry (Fragaria × ananassa Duchesne) var. Senga Sengana (Oerlemans Foods, Poland) products, according to the recipe and preparation by Topolska et al [13].…”

Section: Methodsmentioning

confidence: 99%

“…A strawberry "matrix" (because of its composition and physicochemical properties) could therefore be a valuable environment for fructan action. Moreover, there are evidences that fructan in strawberry product are stable [13]. The last, but not the least reason for choosing such a product as strawberry sorbet was that many people like frozen fruit dessert and consume them quite often.…”

Section: Introductionmentioning

confidence: 99%

Could fructan sources in strawberry matrix be more effective as a tool for improvement of bone structure than these compounds added to diet alone? – Study on osteopenic rat model

Topolska¹,

Radzki²,

Filipiak‐Florkiewicz³

et al. 2020

Ann Agric Environ Med.

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Introduction. Osteoporosis, a disease associated with ovarian hormone deficiency following menopause, is the most common cause of age-related bone loss. Although an optimal intake of Ca is vital-both bone accretion during growth and maintenance in adult life-a great percentage of the population consumes far below the recommended amounts of this mineral. On the other hand, there are evidences that fructans enhance not only Ca absorption, but bone calcium as well. Objective. In the knowledge that estrogen deficiency and insufficient Ca in the diet during postmenopause cause serious problems with resultant osteoporosis, the aim of this study is to assess the effects of a diet enriched in fructan-containing sources alone, or in the "strawberry matrix", on the structure of bone in OVX rats under calcium hypoalimentation. Materials and method. Experimental animals were female Wistar rats, sham-operated or ovariectomized. The treatment with Ca-restricted diets also contained one of the sources of fructan (Jerusalem artichoke, yacon, Beneo Orafti Synergy1), in the amount providing 8% of fructans. Femur architecture of rats was assessed by tomography and Ca content by the AAS method. Results. Ovariectomy led to a significant decrease in femoral Ca content, total mineral content and bone density of rats. This study shows that a diet containing inulin-type fructan (especially as a component of strawberry product) improved bone quality (i.e. increase in Ca content in femur, total density in middle part of bone, as well as decrease of endosteal circumference) in OVX rats under calcium hypoalimentation. Conclusions. These findings suggest that a fructan-enriched diet could be potentially useful for postmenopausal osteoporosis. It is important to determine an optimal dietary level of fructan with the long-term goal of developing a dietary strategy in osteoporosis prevention.

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Fructan stability in strawberry sorbets in dependence on their source and the period of storage

Cited by 21 publications

References 27 publications

Moderation of Inulin and Polyphenolics Contents in Three Cultivars of Helianthus tuberosus L. by Potassium Fertilization

Moderation of Inulin and Polyphenolics Contents in Three Cultivars of Helianthus tuberosus L. by Potassium Fertilization

The effect of fructan-enriched diet on bone turnover parameters in ovariectomized rats under calcium restriction

Could fructan sources in strawberry matrix be more effective as a tool for improvement of bone structure than these compounds added to diet alone? – Study on osteopenic rat model

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