Challenges and potential solutions to utilization of carrot rejects and waste in food processing

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Gagan Jyot Kaur ◽  
Valerie Orsat ◽  
Ashutosh Singh

PurposeOf the global carrot production, 20–30% is outgraded as carrot rejects and waste (CRW) at the primary processing level, which is partially used toward animal feed and the remaining ends in the landfills. This study was undertaken to identify the hurdles and seek potential solutions for using CRW in food processing.Design/methodology/approachCRW were procured from the processing unit in Ontario, Canada, as (1) outgraded carrots (OGCs) and (2) processed discards (PDs). The physical parameters of CRW, imperfections responsible for their separation from the graded carrots and shelf-life studies were recorded.FindingsA significant difference with p ≤ 0.05 was recorded for both the physical parameters and the nature of imperfections in CRW. Discolored carrots (42.37 ± 3.59%) and the presence of vertical splits (52.71 ± 3.18%) were among the top defects in the OGCs. In contrast, the presence of broken tips (54.83 ± 2.52%) and vertical splits (40.56 ± 2.65%) were among the primary cause for the generation of PDs. In total, five percent of CRW were initially infected, which later increased to 30% during the seven days storage period.Research limitations/implicationsThe limitation of the study was that only two varieties of carrots were considered and these were procured from one processor (the authors’ industry partner) at different time intervals of the year. Microbiological analysis could not be completed and reported due to prevailing coronavirus disease 2019 (COVID-19) situation but is included for future studies.Practical implicationsDevelopment of specialized post-harvest packaging and handling protocols and separation of infected fragments are essential before suggesting the use of CRW in food processing.Originality/valueNumerous studies report on the post-harvest management and processing of graded carrots, but limited to no studies are published on the usage of CRW in food processing.

2021 ◽  
Vol 45 (1) ◽  
Author(s):  
Isaac Addo ◽  
Kwadwo Gyasi Santo ◽  
Abdul Aziz Khalid ◽  
Emmanuel Ackah

Abstract Background Two separate experiments were conducted in the minor season from September to November, 2019 and major season from March to May, 2020 to determining the type of soil amendment and transplanting age that can best improve the post-harvest quality and shelf life of sweet pepper fruits at Benso oil palm plantation of Adum Banso Estate in the Mpohor District of the Western Region of Ghana. The experiments were conducted as a 4 × 2 factorial, arranged in a Randomized Complete Block Design. Four fertilizer treatments including no fertilizer (control), 10 tons/ha of poultry manure, 300 kg/ha of NPK 15-15-15 and 5 t/ha of poultry manure + 150 kg/ha of NPK 15-15-15 and two ages of transplants including 6-week-old seedlings and 7-week-old seedlings were applied during the cultivation periods and were later evaluated of their effects on the post-harvest quality and shelf life of harvested fruits after a two-weeks storage period. Data collected on weight loss, shrinkage, decayed fruits and shelf life of harvested fruits were subjected to analysis of variance using the Genstat Statistical package. The least significant difference criterion was used to separate treatment means at 5% probability. Results Post-harvest qualities of sweet pepper fruits were not significantly influenced by age of transplant throughout the study. Fertilizer application generally increased percentage fruit weight loss, fruit shrinkage, fruit decay and reduced shelf life of sweet pepper fruits in the major season. Sole application of poultry manure mostly enhanced post-harvest quality of sweet pepper fruits in the minor rainy season, but fruit shelf life was improved if no fertilizer was applied. Application of a combination of poultry manure and NPK 15-15-15 to 6-week-old transplants gave relatively low fruit weight loss and shrinkage values. Generally, fruit quality and shelf life were enhanced in 6-week-old transplants treated with no fertilizer. Conclusions The use of poultry manure alone should be encouraged to probably increase yield while improving the quality and shelf life of harvested sweet pepper fruits. Transplanting of 6-week-old seedlings is also encouraged for quality harvested fruits and extended shelf life.


2020 ◽  
Vol 9 (2) ◽  
Author(s):  
Luca Pennisi ◽  
Enrica Verrocchi ◽  
Domenico Paludi ◽  
Alberto Vergara

The aim of this work was to study the effects of reformulation of an Italian dry fermented sausage by replacing nitrite with celery or spinach powder alone or in combination with beet powder on some quality characteristics of the product. Five different sausage formulations were produced: i) Control negative (CN): no nitrate added; ii) Control positive (CP) 150 mg/kg potassium nitrate; Group with celery powder (GSe): 3 g/kg celery powder; iii) Group with celery powder and beet powder (GSeB): 3 g/kg of celery and beet powder, respectively; iv) Group with spinach powder and beet powder (GSpB): 3 g/kg of spinach and beet powder, respectively. There was no significant difference between the residual nitrite contents of the samples at the end of the storage period. From microbiological analysis no target pathogenic bacterium has been isolated and the lactic bacteria microflora showed a similar trend in all of the lots. Suggested storage periods for CP, GSe and GSeB were over 60 days by taking into consideration the microbiology and sensory evaluation. Sensory evaluation scores of samples with celery powder, in fact, were comparable to those of CP during storage. The GSpB samples showed similar and higher values regarding the structural attributes, the related attribute to colour showed decidedly lower values due to a greenish coloration of the slice to the presence of spinach.


2019 ◽  
Vol 31 (3) ◽  
pp. 713-739 ◽  
Author(s):  
Abiodun Adegunwa ◽  
Festus Mayowa Adebiyi ◽  
Olabode Asubiojo

Purpose The purpose of this paper is to use rainwater quality parameters as indicators of pollution to assess the level of aerial pollution for sustainable environmental development. Design/methodology/approach Rainwaters were collected in open spaces within commercial, industrial and residential areas in Ibadan metropolis, Nigeria during onset, peak and late rainy season. Values of NO3−, NH4+, Cl−, SO42−, pH, electrical conductivity, total dissolved solid, total acidity and total alkalinity were determined using certified wet chemistry procedures, whereas those of Ca2+, Na+, K+ and Mg2+ were measured using atomic absorption spectrophotometry. Findings Overall results showed that the concentrations of the physical parameters, anions and cations, were comparatively higher at the onset of the rainy period than the latter periods, indicating washout of the pollutants as the rainy season progressed. Results of Pearson correlation matrix and Cluster analysis results showed that many of the parameters have similar source(s). Analysis of variance and t-test results indicated significant difference between the concentrations of the analyzed parameters at different rainy periods, whereas ratio values of sea salt fraction were higher than non-sea salt fraction for all species, depicting anthropogenic influences. Originality/value From the findings, the study concluded that the quality of the rainwaters was substandard due elevated levels of most of the analyzed quality parameters; this method proved to be economical, effective and simple compared to the conventional methods; it also proved rainwater quality to be a reliable pointer of aerial pollution and the concept can be used to assess the pollution level of areas of similar settings.


2011 ◽  
Vol 27 (1) ◽  
pp. 101-114 ◽  
Author(s):  
Can Pelin ◽  
A. Arslan

In the present study, sensory, microbiological and chemical changes during manufacturing and storage of marinated and baked fillets were investigated. For this purpose, the fillets were divided in to three groups. One group was control and the other two groups were marinated with two different marination mixes (group A and group B). The control fillets were cooked at 150?C for 55 minutes. The marinated groups were cooked after holding at +4?C for 6 hours. Central temperatures of cooked fillets were chilled to +4 ?C and vacuum packaged. Vacuumed fillets stored at +4?C. Then fillets were analysed for sensory, microbiological (mesophilic aerobic bacteria, psycrophilic aerobic bacteria, mesophilic anaerobic bacteria, yeast and mould counts) and chemical (pH, moisture, total volatile - nitrogen, tiobarbituric acid and salt) on 0, 7 th,14 th,28 th,42 nd,56 th,70 th,84 th and 98 th days of storage. In the microbiological analysis, counts of total mesophilic aerobic bacteria, psycrophilic aerobic bacteria, mesophilic anaerobic bacteria, yeast and mould counts were determined as < 10 cfu/g in all groups during the storage. There was no significant difference among the groups in pH, moisture, TVB-N and salt level (p>0.05). The TBA value increased during the storage period in control group. As for the TBA value, the difference between control group and group A and group B was significant (p<0.05). When fillets have been investigated from sensory characteristics, A and B products found beter than control group throughout the storage period.


2014 ◽  
Vol 44 (6) ◽  
pp. 536-544
Author(s):  
Meena Goswami ◽  
Vikas Pathak ◽  
Sanjay Bharti ◽  
Veer Singh ◽  
Tanuja Singh ◽  
...  

Purpose – The present study was aimed to enhance the nutritional quality of veg bottle gourd balls by incorporating boiled mashed egg replacing bottle guard in the formulation of batter. Design/methodology/approach – Three different levels, viz. 50, 60 and 70 per cent of boiled mashed whole egg were taken to optimize the level of egg in veg balls by replacing the bottle gourd. The developed products were evaluated for physico-chemical, proximate analysis and sensory evaluation on Day 0, 3, 6 and 9 of storage, whereas microbiological studies of the product were conducted on Day 1, 4, 7 and 10. Findings – The pH, cooking yield and weight gain were non significantly higher in egg-incorporated balls as compared to control. Similar trends were observed for mean Thio Barbituric Acid (TBA) and free fatty acid (FFA) values, however, the estimated values remained within the acceptable limit throughout the storage period. Mean protein and fat content were significantly (p < 0.05) higher and the moisture content was significantly lower (p < 0.05) in egg-incorporated balls. There was no significant difference for mean Total Plate Count, Yeast and mould count and Psychrophillic count between the treatments and control during storage except at later stage on Day 7 and 10. The mean sensory scores were found to be the highest for egg balls, with 60 per cent boiled mashed whole egg for all sensory attributes and the flavor was very much liked by the sensory panelists. Research limitations/implications – The trials can be further carried out for some color and properties, with the addition of various antioxidants and antimicrobial agents. Originality/value – Veg bottle gourd balls are a very much relished delicacy of Indian culinary practices. The incorporation of egg not only enhanced the nutritional properties, also improved the flavor and consumer acceptance. It can be a very good alternative to cope up with malnutrition and hunger.


2002 ◽  
Vol 97 ◽  
pp. 494-498 ◽  
Author(s):  
Jorge Gonzalez-martinez ◽  
Laura Hernandez ◽  
Lucia Zamorano ◽  
Andrew Sloan ◽  
Kenneth Levin ◽  
...  

Object. The purpose of this study was to evaluate retrospectively the effectiveness of stereotactic radiosurgery for intracranial metastatic melanoma and to identify prognostic factors related to tumor control and survival that might be helpful in determining appropriate therapy. Methods. Twenty-four patients with intracranial metastases (115 lesions) metastatic from melanoma underwent radiosurgery. In 14 patients (58.3%) whole-brain radiotherapy (WBRT) was performed, and in 12 (50%) chemotherapy was conducted before radiosurgery. The median tumor volume was 4 cm3 (range 1–15 cm3). The mean dose was 16.4 Gy (range 13–20 Gy) prescribed to the 50% isodose at the tumor margin. All cases were categorized according to the Recursive Partitioning Analysis classification for brain metastases. Univariate and multivariate analyses of survival were performed to determine significant prognostic factors affecting survival. The mean survival was 5.5 months after radiosurgery. The analyses revealed no difference in terms of survival between patients who underwent WBRT or chemotherapy and those who did not. A significant difference (p < 0.05) in mean survival was observed between patients receiving immunotherapy or those with a Karnofsky Performance Scale (KPS) score of greater than 90. Conclusions. The treatment with systemic immunotherapy and a KPS score greater than 90 were factors associated with a better prognosis. Radiosurgery for melanoma-related brain metastases appears to be an effective treatment associated with few complications.


2002 ◽  
Vol 97 ◽  
pp. 484-488 ◽  
Author(s):  
Toru Serizawa ◽  
Junichi Ono ◽  
Toshihiko Iichi ◽  
Shinji Matsuda ◽  
Makoto Sato ◽  
...  

Object. The purpose of this retrospective study was to evaluate the effectiveness of gamma knife radiosurgery (GKS) for the treatment of metastatic brain tumors from lung cancer, with particular reference to small cell lung carcinoma (SCLC) compared with non-SCLC (NSCLC). Methods. Two hundred forty-five consecutive patients meeting the following five criteria were evaluated in this study: 1) no prior brain tumor treatment; 2) 25 or fewer lesions; 3) a maximum of three tumors with a diameter of 20 mm or larger; 4) no surgically inaccessible tumor 30 mm or greater in diameter; and 5) more than 3 months of life expectancy. According to the same treatment protocol, large tumors (≥ 30 mm) were surgically removed and the other small lesions (< 30 mm) were treated with GKS. New lesions were treated with repeated GKS. Chemotherapy was administered, according to the primary physician's protocol, as aggressively as possible. Progression-free, overall, neurological, qualitative, and new lesion—free survival were calculated with the Kaplan—Meier method and were compared in the SCLC and NSCLC groups by using the log-rank test. The poor prognostic factors for each type of survival were also analyzed with the Cox proportional hazard model. Conclusions. Tumor control rate at 1 year was 94.5% in the SCLC group and 98% in the NSCLC group. The median survival time was 9.1 months in the SCLC group and 8.6 months in the NSCLC group. The 1-year survival rates in the SCLC group were 86.5% for neurological survival and 68.9% for qualitative survival; those in the NSCLC group were 87.9% for neurological and 78.9% for qualitative survival. The estimated median interval to emergence of a new lesion was 6.9 months in the SCLC group and 9.8 months in the NSCLC group. There was no significant difference between the two groups for any type of survival; this finding was verified by multivariate analysis. The results of this study suggest that GKS appears to be as effective in treating brain metastases from SCLC as for those from NSCLC.


2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Asif Hamid Charag ◽  
Asif Iqbal Fazili ◽  
Irfan Bashir

Purpose The purpose of this study is to understand the residents’ perception towards environmental, social, cultural and economic impacts of tourism development in Kashmir. Design/methodology/approach The research instrument containing 27 items pertaining to six variables is adopted from the literature. A mix-method survey approach is used to solicit residents’ perceptions regarding environmental, social, cultural and economic impacts of the current level of tourism development. A total of 326 useful responses were subjected to descriptive statistics, analysis of variance (ANOVA) and post hoc analysis using SPSS (Version 22.0). Findings In general, the negative and positive impacts of tourism development are well perceived by the residents. The results indicate that the residents display positive perception regarding economic impacts, however, social and environmental impacts are negatively perceived. Furthermore, barring level of education, the study found no significant difference in the residents’ perception towards tourism impacts (environmental, social, cultural, economic, quality of life and cost of living). Research limitations/implications The paper identifies perceived impacts and issues of tourism development thereby, proposing possible mitigating measures. Also, the study identifies the need to develop a comprehensive policy framework addressing the issues related to the resident’s negative feelings towards tourism impacts. Further, the study envisages the need for engaging residents in developing a progressive and participatory planning process for future tourism activities in the area. Social implications The study offers critical social implications for city tourism development. It suggests a community-based approach should be adopted to sensitize residents about the positive benefits of tourism. Originality/value The study is a novel attempt concerning residents’ residents perceptual differences towards tourism impacts. Furthermore, this study investigated socio-cultural impacts of tourism under two separate categories for better understanding. in doing so, this study provides finer understanding of perception of residents towards tourism impacts in Indian context. The findings of the study will prove critical for different stakeholders in developing future tourism framework and policies in the region.


2019 ◽  
Vol 31 (5) ◽  
pp. 740-757 ◽  
Author(s):  
Syed Ali Raza Shah ◽  
Khairur Rijal Jamaludin ◽  
Hayati Habibah Abdul Talib ◽  
Sha’ri Mohd Yusof

Purpose The purpose of this paper is to identify the critical success factors (CSFs) of integrated quality environmental management (IQEM) and analyze their impact on operational performance (OP) and environmental performance (EP) in food processing Small and medium-sized enterprises (SMEs) in Pakistan. Design/methodology/approach The study is based on collecting data using a survey questionnaire through snowball sampling technique. A total of 302 food processing SMEs operating in Punjab, Pakistan, responded to the survey. SPSS version-23 and SmartPLS-3 were used for data analysis. Findings The literature review identified leadership (LS), employee management (EM), strategic planning (SP), information management (IM), process management (PM), supplier management (SM) and customer focus (CF) as CSFs of IQEM. The results of this study found a significant relationship of all identified CSFs with operational performance in food processing SMEs whereas EM, IM, PM and SM were insignificant with the EP in the food processing SMEs. Research limitations/implications Although this study has collected data from one province, the Punjab province, it still relevant in identifying the CSFs for IQEM implementation within food processing SMEs to improve performance. Originality/value Despite the wide spread of integrated systems practices in the developed countries, little attention has been placed to implement and assess the IQEM initiatives by organizations in the developing countries. Thus, this study identified CSFs of IQEM based on empirical studies and analyzed their impact on OP and EP of food processing SMEs.


2019 ◽  
Vol 49 (6) ◽  
pp. 1243-1251 ◽  
Author(s):  
Marina Cabral Rebouças ◽  
Maria do Carmo Passos Rodrigues ◽  
Silvia Maria de Freitas

Purpose The purpose of this paper is to evaluate the influence of the front of a package label and the nutritional claims linked to it over consumers’ expectations as to acceptance, purchase attitude and perception of quality characteristics of a new functional beverage made from cashew nut milk and added with mango juice and prebiotic substances. Design/methodology/approach Three versions of the front label were developed, which differed just by the type of nutritional claim presented (“0 per cent lactose and 0 per cent cholesterol; 0 per cent lactose, 0 per cent cholesterol and source of fibers, 0 per cent lactose, 0 per cent cholesterol and antioxidants”) and were evaluated in two phases, expectation and informed. For the evaluation, consumers used a multi-attribute scale, the nine-point hedonic scale and a nine-point semi-structured buying attitude scale. Findings The labels created a positive expectation on the consumers regarding the quality attributes, overall impression (mean = 6.0 “Like slightly”) and buying attitude (mean = 6.0 “Would probably buy”). After tasting the beverage associated with labels (informed phase), consumers kept a positive evaluation. The t-test performed between the pair of means of both phases showed that there has not been a significant difference regarding the quality attributes (p > 0.05), special, attractive, nutritive, healthy and buying attitude (Label 1, p = 0.26; Label 2, p = 0.18; Label 3, p = 0.26) in all labels. Originality/value The authors evaluated how the influence of label and nutritional claims in regards to a new product, a beverage made from cashew nut, affects its acceptance, buying attitude and characteristics of quality. Until this moment, there are no studies that evaluate how external attributes affect the acceptance of this beverage totally unique in the Brazilian market.


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