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The aim of the study was to compare the sensory quality and selected physicochemical attributes of apples (Malus domestica Borkh.) from the organic and conventional production. Three-year studies were conducted on the following apple cultivars: Red Boskoop, Lobo and Janagold coming from three pairs of orchards. The sensory values of the organic app...
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... analysis was preceded by preliminary session, where individual attributes of odour, texture and flavour were determined. Table 1 presents the list of terms describing sensory attributes of apples and anchoring points of the unstructured scale. The ten-person panel having good theoretical and practical knowledge of sensory methodology and expert qualification in accordance with the guidelines included in the ISO 8586-2:1994 performed sensory assessments in two independent sessions. ...
Citations
... Regarding phenolics, Vanzo et al. [31] andŚrednicka-Tober et al. [29] found higher levels of 4-hydroxybenzoic acid, neo chlorogenic and chlorogenic acid, phloridzin, procyanidin B2 + B4, kaempferol-3-O-rutinoside, rutin and anthocyanins in organic fruits compared to conventional ones, while Lamperi et al. [32], Valavanidis et al. [33] and Santarelli et al. [34] demonstrated that organic production methods did not significantly contribute to the polyphenol content. Adamczyk et al. [35] found that organic apples had better taste, while Róth et al. [27] proved that trained sensory panelists could not differentiate between organic and conventional apples in terms of aroma and volatiles. Many researchers reported that divergent results regarding fruit quality from organic and conventional/integrated production could be a reflection of distinctive seasons, sites, cultivars, orchard management and nutritional supply. ...
The aim of this study was to compare total phenolic content (TPC), radical-scavenging activity (RSA), total anthocyanin content (TAC), sugar and polyphenolic profiles of two apple cultivars (‘Discovery’ and ‘Red Aroma Orelind’) from organic and integrated production systems in climatic conditions of Western Norway. Sixteen sugars and four sugar alcohols and 19 polyphenols were found in the peel, but less polyphenols were detected in the pulp. The peel of both apples and in both production systems had significantly higher TPC and RSA than the pulp. The peel from integrated apples had higher TPC than the peel from organic apples, while organic apples had higher TAC than the integrated. Sucrose and glucose levels were higher in organic apples; fructose was cultivar dependent while minor sugars were higher in integrated fruits. The most abundant polyphenolic compound in the peel of the tested cultivars was quercetin 3-O-galactoside, while chlorogenic acid was most abundant in the pulp. Regarding polyphenols, phloretin, phloridzin, protocatechuic acid, baicalein and naringenin were higher in organic apple, while quercetin 3-O-galactoside, kaempferol 3-O-glucoside, chlorogenic acid and syringic acid was higher in integrated fruits. In conclusion, organic ‘Discovery’ and integrated ‘Red Aroma Orelind’ had higher bioavailability of health related compounds from the peel and the pulp.
... While studying three apple cultivars namely; Red Boskoop, Lobo and Jonagold. Adamczyk et al. (2009) reported the acidity of 0.71% (Red Boskoop), 0.41% (Lobo) and 0.42% (Jonagold), whereas it was 0.24, 0.35 and 0.17% for Mutzu, Jonathan and Delicious, respectively. ...
... Wu et al. (2006) noticed that the apple cultivars viz., Fuji, Ralls, Qin Guan and Golden Delicious contain more sugar than Jonagold, Orin, Granny Smith and Delicious. Adamczyk et al. (2009) reported the total sugar content for the apple cultivars; Red Boskoop, Lobo and Jonagold as 11.06, 9.68 and 11.20 %, respectively. Vieira et al. (2009) estimated the total sugar contain for 6 apple cultivars viz., Imperatriz, Daiane, Fred Hough, Fuji Superema, Galaxy and Baronesa which ranged from 11.54% (Imperatriz) to 14.78% (Fuji Superema). ...
The objective of this study was to compare the physico-chemical properties of 10 apple cultivars grown in mid hills of India. Fruit weight, volume, size, total soluble solids (T.S.S.), total sugars, titratable acidity and ascorbic acid content were measured in the cultivars Aurora, Brookfield, Braeburn, Galaxy, Azetec, Scarlet Gala, Marini Red, Jonagold, Royal Gala and Royal Delicious. The results showed significant differences in physico-chemical attributes of apple cultivars. Among all the cultivars the maximum fruit size (50.66 mm length, 74.73 mm diameter) and fruit weight (170.12 g) were observed in cv. Royal Delicious, while the minimum fruit size (40.52 mm length, 53.03 mm diameter) and weight (110.97 g) were measured in Azetec and Aurora, respectively. The highest volume (196.79 ml) of fruit was registered in Royal Delicious in comparison to the minimum (125.75 ml) in Aurora. The maximum T.S.S. (14.27 °B) and acidity (0.717%) was noticed in Scarlet Gala and Marini Red, respectively. While the minimum T.S.S. and acidity was observed in Marini Red (11.20 °B) and Azetec (0.186%). The ascorbic acid varied from 6.07 mg/100 g in Royal Gala to 9.86 mg/100 g in Braeburn, whereas the total sugar ranged 11.36% in Royal Gala to 7.06% in Jonagold.
... Wu et al. (2006) noticed that the apple cultivars viz., Fuji, Ralls, Qin Guan and Golden Delicious contain more sugar than Jonagold, Orin, Granny Smith and Delicious. Adamczyk et al. (2009) reported the total sugar content for the apple cultivars; Red Boskoop, Lobo and Jonagold as 11. 06, 9.68 and 11.20 %, respectively. ...
Potato is a staple food crop in high hills and mountains and a major vegetable throughout the country and one of the most important cash generating crops in Nepal. With the efforts undertaken by research and extension sectors, its productivity has significantly increased in last twenty years. However, this is not sufficient for increasing population of the country. Considering its potentiality for income, employment, industrial products, export and processing, appropriate technologies are urgent.Soil fertility evaluation is the most basic decision making tool for the sustainable soil nutrient management. Soil fertility studies and mapping is an effective way to diagnose soil status and recommend as per the need of the nutrient to particular crop in the area.This research aims to assess and prepare soil nutrient map of potato super zone, Kavrepalanchowk in Nepal.The specific objectives of the research were to assess soil texture, pH and organic matter status and simultaneously prepare soil fertility map of the potato super zone. A total of 202 soil samples were collected and nutrients were analysed using standard procedure in the soil laboratory. Composite soil samples were collected from 6 to 10 different spots of the area at 0-20 cm depth by using soil auger. The GPS location of each soil sampling point was noted. The soil sampling point of each zone was determined by studying various aspects (area, slope, colour, texture, etc.) of the study area. Based on the nutrient status, nutrient maps were prepared and presented. Soil fertility maps were prepared by observing the critical nutrients required for the specific crops and by giving those nutrients certain ranking based on the nutrients role for the crop.The soil of Potato super zone was mostly found to be silty loam, moderately acidic (pH 5.9), medium in organic matter content (2.67%) and total nitrogen (0.13%), high in available phosphorus content (56 kg/ha) and available potassium (356kg/ha). There is also sandy loam, loam and silty clay loam types of soil in the area.Soil fertility maps were prepared by setting criteria based on nutrient status that were tested in the laboratory and on the basis of nutrients that are critical for each crops of the super zones. Vegetable superzone soil was found having medium(50%) and high (30%) fertility status.Based on the soil analysis report, it could be concluded that the soils of potato super zone is fair enough for cultivating potato crop at the moment.
... Vieira et al. (2009) reported the cultivars of apple viz., Imperatriz, Daiane, Fred Hough, Fuji Suprema, Galaxy and Baronesa having T.S.S. between 11.80 0 B (Fred Hough) to 14.00 0 B (Daiane). Adamczyk et al. (2009) reported the acidity of 0.71 g 100g -1 (Red Boskoop), 0.41 g 100g -1 (Lobo) and 0.42 g 100g -1 (Jonagold) in various apple cultivars. ...
... Tripathi et al. (2002) reported the acidity of two strains of Ambri apple, which varies between 0.10 to 0.12 per cent and Lod, which varies between 0.60 to 0.70 per cent, in the hilly region of Uttarakhand. While studying three apple cultivars namely; Red Boskoop, Lobo and Jonagold, Adamczyk et al. (2009) reported the acidity of 0.71 g 100g -1 (Red Boskoop), 0.41 g 100g -1 (Lobo) and 0.42 g 100g -1 (Jonagold), whereas it was 0.24, 0.35 and 0.17 per cent for Mutzu, Jonathan and Delicious, respectively. Similarly, Yosef and Belal (2014) reported that among two cultivar, Golden Delicious (0.39%) was higher than Royal Starking (0.26%) in total acidity. ...
... Wu et al. (2006) noticed that the apple cultivars viz., Fuji, Ralls, Qin Guan and Golden Delicious contain more sugar than Jonagold, Orin, Granny Smith and Delicious. Adamczyk et al. (2009) reported the total sugar content for the apple cultivars; Red Boskoop, Lobo and Jonagold as 11.06, 9.68, 11.20 g 100g -1 , respectively. Vieira et al. (2009) estimated the total sugar contain for 6 apple cultivars viz., Imperatriz, Daiane, Fred Hough, Fuji Superema, Galaxy and Baronesa which ranged from 11.54 g 100g -1 (Imperatriz) to 14.78 g 100g -1 (Fuji Superema). ...
The objective of this study was to compare the physico-chemical properties of 10 apple cultivars grown in Uttarakhand hills of India. Apple fruit weight, volume, length, diameter, total soluble solids, total sugars, titratable acidity and ascorbic acid content were measured in the apple cultivars Aurora, Brookfield, Braeburn, Galaxy, Azetec, Scarlet Gala, Marini Red, Jonagold, Royal Gala and Royal Delicious. The results showed great quantitative differences in the composition of the apple cultivars. Among all the cultivars the maximum fruit size (length x diameter) and weight were observed in cv. Royal Delicious (50.66 mm × 74.73 mm) and 170.12 g, while the minimum values were measured in cv. Azetec (40.52 mm × 53.03 mm) and Aurora 110.97 g, respectively. The highest volume of fruit registered as 196.79 ml (Royal Delicious), in comparison to the minimum value as 125.75 ml (Aurora). The maximum T.S.S. noticed in cv. Scarlet Gala (14.27°Brix) and acidity in Marini Red (0.717%), while the minimum values of T.S.S. and acidity were observed in Marini Red (11.20°Brix) and Azetec (0.186%). The ascorbic acid varied from 6.07 mg/100gm (Royal Gala) to 9.86 mg/100g (Braeburn), whereas the total sugar ranged 11.36% (Royal Gala) to 7.06% (Jonagold).
... Vieira et al. (2009) reported the cultivars of apple viz., Imperatriz, Daiane, Fred Hough, Fuji Suprema, Galaxy and Baronesa having T.S.S. between 11.80 0 B (Fred Hough) to 14.00 0 B (Daiane). Adamczyk et al. (2009) reported the acidity of 0.71 g 100g -1 (Red Boskoop), 0.41 g 100g -1 (Lobo) and 0.42 g 100g -1 (Jonagold) in various apple cultivars. ...
... Tripathi et al. (2002) reported the acidity of two strains of Ambri apple, which varies between 0.10 to 0.12 per cent and Lod, which varies between 0.60 to 0.70 per cent, in the hilly region of Uttarakhand. While studying three apple cultivars namely; Red Boskoop, Lobo and Jonagold, Adamczyk et al. (2009) reported the acidity of 0.71 g 100g -1 (Red Boskoop), 0.41 g 100g -1 (Lobo) and 0.42 g 100g -1 (Jonagold), whereas it was 0.24, 0.35 and 0.17 per cent for Mutzu, Jonathan and Delicious, respectively. Similarly, Yosef and Belal (2014) reported that among two cultivar, Golden Delicious (0.39%) was higher than Royal Starking (0.26%) in total acidity. ...
... Wu et al. (2006) noticed that the apple cultivars viz., Fuji, Ralls, Qin Guan and Golden Delicious contain more sugar than Jonagold, Orin, Granny Smith and Delicious. Adamczyk et al. (2009) reported the total sugar content for the apple cultivars; Red Boskoop, Lobo and Jonagold as 11.06, 9.68, 11.20 g 100g -1 , respectively. Vieira et al. (2009) estimated the total sugar contain for 6 apple cultivars viz., Imperatriz, Daiane, Fred Hough, Fuji Superema, Galaxy and Baronesa which ranged from 11.54 g 100g -1 (Imperatriz) to 14.78 g 100g -1 (Fuji Superema). ...
The objective of this study was to compare the physico-chemical properties of 10 apple cultivars grown in Uttarakhand hills
of India. Apple fruit weight, volume, length, diameter, total soluble solids, total sugars, titratable acidity and ascorbic acid
content were measured in the apple cultivars Aurora, Brookfield, Braeburn, Galaxy, Azetec, Scarlet Gala, Marini Red, Jonagold,
Royal Gala and Royal Delicious. The results showed great quantitative differences in the composition of the apple cultivars.
Among all the cultivars the maximum fruit size (length x diameter) and weight were observed in cv. Royal Delicious (50.66 mm
× 74.73 mm) and 170.12 g, while the minimum values were measured in cv. Azetec (40.52 mm × 53.03 mm) and Aurora 110.97 g,
respectively. The highest volume of fruit registered as 196.79 ml (Royal Delicious), in comparison to the minimum value as
125.75 ml (Aurora). The maximum T.S.S. noticed in cv. Scarlet Gala (14.27°Brix) and acidity in Marini Red (0.717%), while the
minimum values of T.S.S. and acidity were observed in Marini Red (11.20°Brix) and Azetec (0.186%). The ascorbic acid varied
from 6.07 mg/100gm (Royal Gala) to 9.86 mg/100g (Braeburn), whereas the total sugar ranged 11.36% (Royal Gala) to 7.06%
(Jonagold).
