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International Journal of Postharvest Technology and Innovation最新文献

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An analysis of various factors influencing postharvest losses of the fruit and vegetable supply chain 影响果蔬供应链采后损失的各种因素分析
Q4 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.1504/ijpti.2020.10032954
N. Narenthiran, P. Prasanna, T. Poongkundran, S. Anbuudayasankar, M. S. Narassima, P. Aravind
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引用次数: 1
Effect of postharvest treatments on shelf life and quality of litchi stored at ambient temperature 采后处理对荔枝常温贮藏期和品质的影响
Q4 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.1504/ijpti.2020.10032955
M. S. Akter, Rezwan Sarkar, S. Choudhury, N. Islam, J. Uddain
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引用次数: 1
Functional properties of pomegranate peel in edible coating/film: a review 石榴皮在可食用涂层/薄膜中的功能特性研究进展
Q4 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.1504/ijpti.2020.10032694
Nishanth Kumar, N. A. Pratibha, N. Neeraj
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引用次数: 3
Effects of storage in moist sawdust on the proximate and chemical properties of fresh cassava root 湿木屑贮藏对新鲜木薯根理化性质的影响
Q4 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.1504/ijpti.2020.10032698
M. Oluwamukomi, M. K. Bolade, I. Oluwalana, Olumuyiwa Adekanmi Babarinsa
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引用次数: 1
Sorption isotherms and drying kinetics modelling of convective and refractance window drying of feijoa slices (Acca sellowiana Berg) 飞荷片对流和折射窗干燥的吸附等温线及干燥动力学模型(Acca sellowiana Berg)
Q4 Agricultural and Biological Sciences Pub Date : 2020-01-01 DOI: 10.1504/ijpti.2020.10031959
Adriana María Castro Sánchez, Edgar Yesid Mayorga Lancheros, María Ximena Quintanilla Carvajal, F. Moreno
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引用次数: 1
Estimation of pre and postharvest losses of tropical fruits in Ethiopia 埃塞俄比亚热带水果采前和采后损失的估计
Q4 Agricultural and Biological Sciences Pub Date : 2019-12-16 DOI: 10.1504/ijpti.2019.10025307
Muluken Bantayehu, Melkamu Alemayehu, Mirkuz Abera, Solomon Bizuayehu
The research was conducted to quantify and identify major factors of fruit loss. Questionnaires were used to collect data from 180 randomly selected fruit producers of six districts. Descriptive statistics and multiple regression analysis were employed for data analysis. Result revealed that fruit losses in the preharvest and postharvest were 20.7% and 22.1% of the total production respectively. Multiple regression analysis depicted means of income, use of pesticides and use of compost and manure had significantly contributed to losses in the preharvest. Regression analysis revealed experience, educational level of producers and shortage of labour had significant effect for losses during harvesting whereas chemical treatment and educational level affected losses in storage. Moreover, experience, distance from market, educational level were significant factors of fruit loss during marketing. Therefore, the study suggests adoption of scientific approach, education, skill developments and use of pre and postharvest technologies are important to minimise losses.
研究是为了量化和确定水果损失的主要因素。采用问卷调查的方式,对6个地区随机抽取的180名果农进行数据收集。采用描述性统计和多元回归分析进行数据分析。结果表明,采前和采后的果实损失分别占总产量的20.7%和22.1%。多元回归分析表明,收入方式、杀虫剂的使用以及堆肥和粪肥的使用是造成收获前损失的主要原因。回归分析表明,经验、生产者文化程度和劳动力短缺对收获期损失有显著影响,而化学处理和文化程度对贮藏期损失有显著影响。经验、离市场距离、受教育程度是影响水果在销售过程中损失的重要因素。因此,该研究表明,采用科学方法、教育、技能发展以及使用采前和采后技术对于最大限度地减少损失至关重要。
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引用次数: 3
The Use of Turbidity as a Separation Indicator of Patchouli Oil from Its Aqueous Mixture in Community Distillation Practices 浊度作为广藿香油与广藿香水混合物分离指标的应用
Q4 Agricultural and Biological Sciences Pub Date : 2019-12-16 DOI: 10.1504/ijpti.2019.10024376
C. Cahyani, Wa Ode Cakra Nirwana
A laboratory study was conducted to investigate the possibility of patchouli oil separation from its aqueous mixture based on physical phenomena. The main concept behind the study was the application of turbidity instead of gas chromatography to determine the separation quality of patchouli oil from its aqueous mixture. This study proved that there was a linear relationship between turbidity and oil content in its water emulsion during distillation processes. The results showed that temperature, the addition of chemical agents, and pH influenced separation quality. A temperature of 60°C was proved to be the optimum separation temperature. At this temperature, separation required less cooling water, saving energy and streamlining the process. A pH of 4 was proved to be the best value, while NaCl was proved to be the best additive at a concentration of 0.2% in patchouli oil-water mixture.
基于物理现象,对广藿香油从其水性混合物中分离的可能性进行了实验室研究。该研究背后的主要概念是应用浊度代替气相色谱法来确定广藿香油从其水性混合物中的分离质量。研究证明,在蒸馏过程中,其水乳液的浊度与含油量呈线性关系。结果表明,温度、化学试剂的添加量和pH值对分离质量有影响。60°C的温度被证明是最佳分离温度。在这个温度下,分离需要更少的冷却水,节省能源并简化工艺。在广藿香油水混合物中,pH为4被证明是最佳值,而NaCl在浓度为0.2%时被证明是最好的添加剂。
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引用次数: 0
Quality deterioration and loss of shelf life as a result of poor road conditions 由于路况不佳,产品质量下降,保质期缩短
Q4 Agricultural and Biological Sciences Pub Date : 2019-12-16 DOI: 10.1504/ijpti.2019.10025847
C. Pretorius, W. Steyn
Postharvest science focuses mainly on the quality of fresh produce. One of the areas of interest is the shipment of tomatoes using road transport. Because tomatoes have a limited shelf life, it is vital to control the factors that lead to early deterioration of the quality of the product. Logistical operations can cause numerous forms of cuts and bruises on harvested tomatoes which compromise their quality and appearance. For this experiment, the in-transit conditions were monitored on trucks shipping tomatoes from three farms in Limpopo, South Africa to the fresh produce market in Pietermaritzburg. This research attempts to create a model that relates tomato damage and loss in shelf life to the road condition, fruit ripeness and position in the container. With this information in hand, logistic planners can make informed decisions during route planning. Transportation cost can be weighed against the cost of losses of produce during transportation. Similar models can be developed to include other types of fruits and vegetables.
采后科学主要关注新鲜农产品的质量。其中一个令人感兴趣的领域是利用公路运输运输西红柿。由于番茄的保质期有限,因此控制导致产品质量早期恶化的因素至关重要。物流操作会对收获的西红柿造成各种形式的割伤和擦伤,从而影响其质量和外观。在这个实验中,对从南非林波波的三个农场运送西红柿到彼得马里茨堡的新鲜农产品市场的卡车上的运输条件进行了监测。本研究试图建立一个模型,将番茄的损害和保质期的损失与道路状况、水果成熟度和容器中的位置联系起来。有了这些信息,物流规划者就可以在路线规划过程中做出明智的决策。运输成本可以与运输过程中农产品损失的成本相权衡。类似的模型可以发展到包括其他类型的水果和蔬菜。
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引用次数: 4
Potential of melanin free ink as antioxidant and its application for preserving and predicting shelf life of salted-boiled milkfish 无黑色素墨水作为抗氧化剂的潜力及其在腌煮乳鱼保存和预测保质期中的应用
Q4 Agricultural and Biological Sciences Pub Date : 2019-12-16 DOI: 10.1504/ijpti.2019.10025855
T. Agustini, H. Hadiyanto, U. Amalia, Ima Wijayantia
Antioxidant could be extracted and isolated from squid inks. Squid ink in the form of melanin free ink (MFI) could be act as an electron donor which can stabilise free radicals in lipid oxidation. Studies were carried out to assess the antioxidant activity of squid inks converted into MFI in different dilution and to optimise the extraction conditions for the application of MFI as an anti-oxidative agent on fish product. Three different concentrations of MFI extracts i.e., 0%, 0.75% and 1.5% were applied on soft-boned milkfish at 10°C, 20°C and 30°C temperature storages for nine days, with observation every three days. The results showed the animism of the ink through chemical parameters, antibacterial effect, and sensory analysis. MFI at a concentration of 0.75% was revealed to be effective in prolonging cold storage shelf life of soft boned milkfish, which was confirmed through comprehensive sensory analysis evaluation and measurement of chemical changes including water, protein, lipid and ash content. It was also discovered that 0.75% MFI significantly prolonged the cold storage period of soft boned milkfish until six days, indicating that it may be developed to be a natural preservative for marine products.
可以从乌贼墨中提取和分离抗氧化剂。无黑色素墨水(MFI)形式的鱿鱼墨水可以作为电子供体,稳定脂质氧化中的自由基。进行了研究,以评估在不同稀释度下转化为MFI的鱿鱼油墨的抗氧化活性,并优化MFI作为鱼类产品抗氧化剂的提取条件。将三种不同浓度的MFI提取物,即0%、0.75%和1.5%,在10°C、20°C和30°C的温度下储存九天,每三天观察一次。通过化学参数、抗菌效果和感官分析,结果表明该油墨具有泛灵性。0.75%浓度的MFI对延长软骨乳鱼的冷藏保质期是有效的,通过对水、蛋白质、脂质和灰分等化学变化的综合感官分析评估和测量证实了这一点。研究还发现,0.75%MFI显著延长了软骨乳鱼的冷藏期至6天,表明它可能被开发成一种用于海洋产品的天然防腐剂。
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引用次数: 4
Risk assessment and persistence evaluation of Spiromesifen 240 SC on cucumber in India Spiromesifen 240 SC对印度黄瓜的风险评估和持久性评价
Q4 Agricultural and Biological Sciences Pub Date : 2019-12-16 DOI: 10.1504/ijpti.2019.10025846
T. Banerjee, Manoj Kumar Agyani
Spiromesifen 240 SC was applied @ 144 g a.i./ha (T1) and 288 g a.i./ha (T2) on cucumber twice in ten days interval under randomised block designed field experiment. Cucumber fruit samples were collected at different day's interval, subjected to extraction and clean-up by modified QuEChERS technique and residue of spiromesifen was quantified by GC-ECD. Initial deposits of spiromesifen in cucumber fruit were 0.43 and 0.80 mg/kg for T1 and T2, respectively. No residue detected in harvest samples above LOQ. Half-life (t1/2) of spiromesifen were calculated 2.12 and 2.19 days and safe waiting period (TMRL) were determined 5.83 and 8.11 days for T1 and T2, respectively. TMRC was much lesser than MPI even though initial deposit was considered. The % ADI values were 8.82% and 16.52% at highest residual deposits on 0 day for single and double dose respectively indicates safety for human consumption.
在随机区组设计的田间试验中,以144 g a.i./ha (T1)和288 g a.i./ha (T2)的剂量对黄瓜施施spiromesif240 SC,每隔10 d施2次。采用改进的QuEChERS技术提取和净化黄瓜果实,采用气相色谱- ecd法测定螺虫胺残留量。处理T1和T2时,螺虫胺在黄瓜果实中的初始沉积量分别为0.43和0.80 mg/kg。收获样品中未检出超过定量限的残留物。计算螺美西芬在T1和T2的半衰期(T1 /2)分别为2.12和2.19 d,安全等待期(TMRL)分别为5.83和8.11 d。即使考虑初始存款,TMRC也比MPI小得多。单剂量和双剂量在第0天最高残留量时,ADI值分别为8.82%和16.52%,表明可安全食用。
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引用次数: 1
期刊
International Journal of Postharvest Technology and Innovation
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