MOJ Food Processing & Technology最新文献

{"title":"The agricultural futures market in low development countries: a policy to respond to the volatility of prices?","authors":"F. Diotallevi","doi":"10.15406/mojfpt.2022.10.00269","DOIUrl":"https://doi.org/10.15406/mojfpt.2022.10.00269","url":null,"abstract":"This work discusses the possibility, or rather the effectiveness, of the use of agricultural futures as a means of hedging to minimize exposure to price risk. In particular, the analysis refers to \"low-development countries\" (LDCs), countries in which agricultural products play a prominent role and in which the process of market liberalization, which took place following the removal of state intervention, is determining an increasing exposure to price volatility. Knight's uncertainty is said to make both producers and speculators more risk averse, hence more conservative. In particular, when the futures price is well above the expected spot price (adjusted for the Knightian uncertainty), the optimal position for the producer is a total hedge of his production, while the optimal position for the speculator consists in not operating at all in the market. We can limit ourselves to observing that if a single producer and a single speculator operate in the market, the equilibria that can be reached are three: of complete exchange, of non-exchange and of partial exchange. The possibility of obtaining one of the three equilibria depends on the degree of risk aversion and the degree of Knightian uncertainty possessed by each of the two different subjects. Access to the capital market is a crucial element for the development of agriculture, both in the start-up phase and in the improvement phase. The search for new capital and new tools to facilitate market access requires a high degree of trust on the part of financial market operators, a trust that is often compromised by the low profitability of loans and the high risk associated with them. The exposure to risk of agricultural activities limits, in fact, the interest of traditional finance, reducing the availability of capital to the few remaining resources within the sector itself after the flight to more attractive alternative uses. Hence the need to introduce new financial and insurance techniques and services, such as to guarantee the agricultural sector the capital necessary for growth and, at the same time, attractive return opportunities for investors. Specifically, it is stated that one of the most profitable paths to follow in this regard is implementation within all EU member states of particular agricultural reforms that introduce risk management techniques in agriculture already successfully implemented by the U.S.A.1","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing & Technology","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114388018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The protein profile of perch essence and its improvement of metabolic syndrome in vitro","authors":"Chih Cheng Lin, Hsiang Chang, Jianbo Chang, Yu-Tung Hung","doi":"10.15406/mojfpt.2022.10.00267","DOIUrl":"https://doi.org/10.15406/mojfpt.2022.10.00267","url":null,"abstract":"The objective of this study was to analyze the protein profile and amino acid composition of perch essence processed by high-pressure extraction compared with mackerel, and milkfish. The inhibitory activities of three essences were determined against digestive enzymes relevant to the metabolic syndrome such as the angiotensin-converting enzyme (ACE), pancreatic lipase, α-amylase, and α-glucosidase. The results showed that perch essence exhibits the highest recovery by using the same extraction method for all three fish species. The amounts of all hydrolyzed amino acids, except histidine, were approximately double in perch compared with the other two fish. The perch essence contained the most abundant soluble protein and amino acids composition related to metabolic syndrome. In vitro anti-hypertensive, hypoglycemic, and anti-obesity potency of perch essence exhibited the highest among the three fishes. Although the amounts of free amino acids were similar in the three fish species, the molecular weight distribution from gel filtration chromatographic analysis indicated that perch essence contained 32.4% of peptides with a molecular weight of less than 2.3 kDa. This study suggested that naturally occurring bioactive peptides in perch essence might potentially serve as a good source of functional food supplements for metabolic syndrome.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing & Technology","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127101191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Geopropolis: taxonomic dependence and compositional drawbacks","authors":"A. Salatino, L. Regnier, Maria Luiza Faria Salatino","doi":"10.15406/mojfpt.2022.10.00266","DOIUrl":"https://doi.org/10.15406/mojfpt.2022.10.00266","url":null,"abstract":"The contents of total ashes and ethanol soluble substances were determined for propolis samples from species of two Meliponini genera: Melipona and Scaptotrigona. All Melipona samples corresponded to geopropolis (propolis containing aggregated soil material), with ash contents above 40%. Only one species of Scaptotrigona was shown to produce geopropolis, but with ash content (12%) much lower than Melipona samples. In Melipona a high negative correlation was observed between ash and ethanol solubles. Not only aggregated soil may contribute to lower the content of ethanol solubles. It is hypothesized that wax content may have a similar influence.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing & Technology","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122843017","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quality assessment of instant Zobo drink prepared by evaporation and spray drying","authors":"Mohammed Sf, Adamu Jd, M. A","doi":"10.15406/mojfpt.2022.10.00265","DOIUrl":"https://doi.org/10.15406/mojfpt.2022.10.00265","url":null,"abstract":"In this research, Instant Zobo drink (IZD) was prepared by evaporating and spray drying into powder the triple strength Zobo Concentrate prepared from the Purple and Red sorrel calyx varieties; and both the samples (sample 414 is Red IZD) and (sample 424 is Purple IZD) were subjected to sensory evaluation using ten (10) panels of judges and data were subjected to t–test; and found that both samples of the IZD have similar sensory properties that were acceptable by the sensory panelists because the T-tabulated is 2.262, while all the T-calculated values were less than the T- tabulated value; hence, there was no significant difference between the both samples of the reconstituted instant Zobo drink (IZD), because values of T-calculated are not greater than the T-tabulated (P≥ 0.05). IZD was further subjected to functional, physicochemical and microbiological analyses. Both samples of IZD have similar properties in terms of all the conducted assessments. Also, IZD was found to be safe microbiologically for human consumption owing to the fact that both samples of the IZD recorded less than ten microbial cells counts.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing & Technology","volume":"09 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127448035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Therapeutic effect of cranberry active components on E.coli urinary tract adhesions: A review","authors":"Shahnai Basharat, A. Khalid, Aiman Sohail, Khadijah Wahab, Muhammad Ali, Areesha Omer, Aleena Qureshi, Raida Nadeem, Huma Sajjad, Sanabil Anmol","doi":"10.15406/mojfpt.2021.09.00264","DOIUrl":"https://doi.org/10.15406/mojfpt.2021.09.00264","url":null,"abstract":"Cranberry (Vaccinium spp.) has been used by North American Indians to treat many medicinal properties. It is also recommended for the treatment of urinary tract infection (UTI) which is caused by adhesion of bacteria called Escherichia coli. We conducted this meta-analysis to assess the effect of cranberry in preventing the adhesion of E. coli in the urinary tract. Cranberry appears to work by inhibiting the adhesion of type I and P-fimbriated Escherichia coli to the uroepithelium, thus hinder the colonization and upcoming infections. Adhesion is prevented by 2 ingredients of cranberries: laevulose that prevents binding of type 1 fimbriae and pro-anthocyanidins, which prevents p- fimbriae binding. The anti-adherent effect began in 2 hours and remains for up to 10 hours after consumption. These results suggest that cranberry can be an effective in preventing and treating urinary tract infections; however, larger high-quality studies are needed to confirm these findings.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing & Technology","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131902890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Epidemiology of potato late blight disease and other major postharvest biotic stressesin Malawi","authors":"W. Mbewe, O. Mwenye, Ellen Gondwe, Antony Nyirenda, Gloria Supa, K. Masamba, Stanley P Kwendani, M. Chiipanthenga, F. Chipungu","doi":"10.15406/mojfpt.2021.09.00263","DOIUrl":"https://doi.org/10.15406/mojfpt.2021.09.00263","url":null,"abstract":"The epidemiology of Potato Foliar Late Blight (PFLB) disease (Phytophthora infestans) was quantified in major potato production areas of Malawi. Seed multiplication fields, tests clones and local farmers’ fields were sampled basing on Area Under Disease Progress Curve (AUDPC). The determined severity values were transformed into AUDPC coefficients characterizing rate of disease spreading across the crop. Results indicate minimum and maximum AUDPC values of 0 and 1050 respectively, with an average value of 233.57. The results show significant statistical differences in PLB disease across seed multiplication fields, test clones and local farmers’ fields. AUDPC values differed significantly (p < 0.001) among potato growing districts, as well as sources of seed (aeroponics, sandponics, and vendors). Post-harvest survey targeting potato tubers showed that tubers that were sampled from Mzimba district had the highest likelihood of being infected with Potato Tuber Late Blight (PTLB), followed by potatoes that were sampled from Lilongwe (coefficients, b= 1.89, t = 6.11, p-value<0.001) while the potatoes tubers that were sampled from Ntcheu did not vary in the severity with those that were sampled in Dedza. Susceptibility to potato PTLB among potato varieties were varied, with Rosita likelihood to PTLB disease, while there were no other significant differences to PTLB in the rest varieties (b=1.12, t=4.23, p-value<0.001). An extended study on bacterial wilt (PBW) revealed that disease was influenced by the district where the tubers were sampled (x2= 9.26, p-value < 0.001) while the type of variety sampled did not have any significant difference on PBW (x2= 3.59, p-value = 0.268). The presence of potato tuber moth which varied among the sampled districts, was not influenced by variety sampled. The paper has documented and quantified increasing epidemic spread of late blight disease and the consequent effect on sustainable potato production and clean seed systems in Malawi.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing &amp; Technology","volume":"91 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117087961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The potentiality of papaya (Carica papaya) fruit pulp on the functional properties and physicochemical content of camel milk yoghurt","authors":"Fawzia Bahar Eldai Saeed Ahmed, Ibtisam El Yas Mohamed El Zubeir","doi":"10.15406/mojfpt.2021.09.00262","DOIUrl":"https://doi.org/10.15406/mojfpt.2021.09.00262","url":null,"abstract":"This experiment was designed in order to assess the addition of papaya fruits pulp on processing properties and compositional quality of camel milk yoghurt. Three treatments consisted of addition of papaya (0%, 3% and 7%) were made. The incubation of yoghurt samples were done using plastic cups at 43 ºC and then stored at 4 ºC, where the chemical components were determined seven times at regular intervals during 21 days. The obtained data revealed that the addition of papaya fruits pulp showed significant (P<0.001) effect on all physicochemical properties of camel milk yoghurt. There were significant increased in total solids, fat and ash content, while significant decrease were found for levels of protein and acidity for the yoghurt samples made from camel milk fortified with papaya. The storage period also showed significant (P<0.001) effect on all physicochemical properties of camel milk yoghurt. The present study concluded that addition of papaya pulp improved processing properties and the chemical constituents of camel milk yoghurt. Effort on raising the awareness among urban consumers about the nutritional and functional contribution of camel milk and products is highly recommended.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing &amp; Technology","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124710107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The deepest impacting discovery of the XX century derived from food science","authors":"A. Salatino, Marco Aurélio Sivero Mayworm, Maria Luiza F Salatino","doi":"10.15406/mojfpt.2021.09.00261","DOIUrl":"https://doi.org/10.15406/mojfpt.2021.09.00261","url":null,"abstract":"The Haber-Bosch process, an industrial fixation of atmospheric nitrogen into crop fertilizers, enabled increasing rates of food production soon after the First World War. The process contributed to alleviate famine episodes and to reduce the occurrence of sicknesses derived from malnutrition. Higher provision of food and health improvement in the second half of last century led to increasing rates of world population and the emergence of health problems derived from excess calory intake. Overpopulation and obesity are examples of present-day crises with roots in the Haber-Bosch process. Incoherently, despite the deep impact of the process in recent history, both Haber and Bosch are prominent characters of science history almost unknown by people all over the world.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing &amp; Technology","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129714750","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk of infection withSalmonella andEscherichiacoli O157:H7 due to consumption of lettuce in southern Brazil","authors":"Susana de Oliveira Elias, T. B. Noronha, E. Tondo","doi":"10.15406/mojfpt.2021.09.00260","DOIUrl":"https://doi.org/10.15406/mojfpt.2021.09.00260","url":null,"abstract":"This study was carried out to estimate the risks of infection due to consumption of lettuce contaminated with these pathogens in Southern Brazil. The quantitative microbial risk assessment (QMRA) model comprised nine modules from storage of lettuce in producer farms until consumption. Scenarios were simulated using prevalence, concentration, and exposure levels lower than found in Brazil. Different procedures of washing and disinfection as well as cold chain (≤5ºC) in all distribution steps were also tested. Models built in Excel spreadsheet were simulated using @Risk® software. The QMRA simulations show that overall risks of foodborne disease due to consumption of lettuce are higher for Salmonella than for E. coli O157:H7. All alternative scenarios to clean lettuce, increase the risk (the best procedure was washing leaves with potable water followed by immersion in 200 ppm of sodium hypochlorite sanitizer for 15 minutes and rinsing with potable water). The major risk reduction was due to cold chain scenario. Sensitivity analyses indicated that in addition to the maintenance of the cold chain and the washing and disinfection procedures, it is important to reduce the prevalence and concentration of pathogens on lettuce in fields, in order to decrease the risk of infection by these bacteria.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing &amp; Technology","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132439200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Oil and pectin extraction from citrus paradise(grape) peels: A case of response surface optimization","authors":"O. Olatunji, Kingsley Charles Umani, J. Ekanem, Horsfall Ibiba Taiwo, Samuel Kingsley Okon","doi":"10.15406/mojfpt.2021.09.00259","DOIUrl":"https://doi.org/10.15406/mojfpt.2021.09.00259","url":null,"abstract":"This work reflects the extraction process of oil and pectin from grape peels using a response surface method in which a central composite rotatable design of 25 and 35 was used for the two extractions. Output temperatures (80–100°C) and heating times (5–9 hours) were used for oil extraction, while (80 -100oC) and heating times (20 – 60 minutes) and a pH of extract (1.0 – 3.0) were selected for pectin removal. Oil yield ranged from 7.90 - 15.30%, while pectin yield ranged from 19.90 – 35.70%. A maximum oil yield of 15.30% was obtained at a temperature of 90oC at a heating time of 9.0 hours, while a maximum yield of pectin of 35.70% was obtained at a pH of 2.5, 95oC temperature and 50 minutes heating time. The optimum value for oil production was 15.63% at an average temperature of 99.64oC and heating time of 8.99 hours, while the average value of pectin yield was 38.01% at an output temperature of 94.00oC, the period release time of 58.00 minutes with a pH of 2.00. The deviation between the experimental and predicted values was low and not significant. All processing conditions have important impacts on the extraction of oil and pectin from grape peels.","PeriodicalId":345337,"journal":{"name":"MOJ Food Processing &amp; Technology","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114834585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}