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Article
Publication date: 4 April 2016

Urban Šebjan and Polona Tominc

The purpose of this paper is to present the organoleptic characteristics of cherry tomatoes from three different geographical areas, and to compare the differences/similarities of…

Abstract

Purpose

The purpose of this paper is to present the organoleptic characteristics of cherry tomatoes from three different geographical areas, and to compare the differences/similarities of Slovenian tomatoes which are cultivated by utilising an innovative technology and have altered organoleptic characteristics, with other cherry tomatoes that are available on the Slovenian market and are of different geographical origin (Dutch and Spanish tomatoes). In an experimental study the authors determined the impact of price and organoleptic characteristics as a whole on the choice of tomatoes by young consumers.

Design/methodology/approach

This experimental study is based on a sample of 27 young consumers, and it examines three hypotheses using three different quantitative methods: one-way ANOVA, χ2 and logistic regression.

Findings

The authors found that there were statistically significant differences between the perceived organoleptic characteristics of tomatoes grown in three different geographic areas. Young consumers assessed the organoleptic characteristics of the Slovenian tomatoes as the best, followed by the Dutch and Spanish tomatoes. The authors have found that there are statistically significant correlations between the organoleptic characteristics and the price, except for the firmness of tomatoes, which does not significantly affect the price. This cannot be said with regard to price, since there is no statistically significant relationship between this variable and the choice of tomatoes.

Originality/value

The scientific contribution of this study is reflected in the evaluation and comparison of tomatoes from three different geographical regions, and in linking the perceived organoleptic characteristics of tomatoes with the price, and the final selection of tomatoes by the young consumers.

Details

British Food Journal, vol. 118 no. 4
Type: Research Article
ISSN: 0007-070X

Keywords

Article
Publication date: 30 June 2020

Maximiliano Nicolás Saraco and James Blaxland

The aim of this study was to compare the organoleptic attributes and meltability of selected, commercial dairy-free imitation cheeses (DFICs) with those of their dairy…

1631

Abstract

Purpose

The aim of this study was to compare the organoleptic attributes and meltability of selected, commercial dairy-free imitation cheeses (DFICs) with those of their dairy counterparts to thus determine whether commercial DFIC needs to be further developed.

Design/methodology/approach

Market research was conducted to determine the availability of DFICs in the United Kingdom (UK) and thus select the varieties to assess. Mild cheddar was chosen for its popularity wide availability in the United Kingdom and Italian-style hard cheese for its complex organoleptic profile. The organoleptic attributes and melting properties of the chosen DFIC products were assessed by using descriptive sensory evaluation and their meltability was assessed using the Arnott test, respectively.

Findings

109 different DFICs were found; most of them (74%) presented coconut oil as their primary ingredient. None of the assessed DFICs assessed could mimic the organoleptic attributes of their dairy counterparts accurately; however, one of the non-dairy mild cheddar samples was regarded as potentially acceptable by the assessors of the sensory evaluation assessors. Nonetheless, the meltability of this sample was significantly lower than that of mild cheddar cheese.

Practical implications

The findings indicate that, to obtain products that can mimic the organoleptic attributes and meltability of cheese more accurately, further development is required for the DFIC varieties assessed.

Originality/value

No academic publications have explored and investigated commercial DFICs with similar ingredients to those found in commercial DFICs; the commercial importance of these products may augment in the short term owing to the reported growth in the number of vegan individuals in the UK and in Europe.

Details

British Food Journal, vol. 122 no. 12
Type: Research Article
ISSN: 0007-070X

Keywords

Article
Publication date: 9 November 2015

Babatunde Sunday Ogunsina, Motunrayo Funke Olumakaiye, Chiemela Eyinnaya Chinma and Opeyemi Paul Akomolafe

This paper aims to investigate the effect of hydrothermal treatment by conventional, microwave and pressure cooking on the cooking properties, proximate composition and…

Abstract

Purpose

This paper aims to investigate the effect of hydrothermal treatment by conventional, microwave and pressure cooking on the cooking properties, proximate composition and organoleptic characteristics of dehulled Moringa oleifera seeds.

Design/methodology/approach

Samples of Moringa oleifera seeds were subjected to cooking for the minimum time by each of the methods under study. Cooking properties, proximate composition and organoleptic characteristics were determined following standard analytical procedures.

Findings

The results showed that the average cooking time were 25, 30 and 40 mins for conventionally, pressure- and microwave-cooked moringa kernels, respectively. There was no significant difference in cooking weight, moisture absorbed and water uptake ratio of conventionally and pressure-cooked samples. The protein content of moringa kernel reduced from 41.9 for raw kernels to 40.2, 41.2 and 36.9 per cent for conventionally, pressure- and microwave-cooked samples, respectively. Pressure and microwave cooking indicated 40.1 and 39.3 g/100g of crude fat, whereas raw kernels indicated 37.1 g/100g. Conventionally and pressure-cooked kernels had lower fibre content than the raw kernels, but there was no significant difference in the ash contents of the samples. Cooking influenced the proximate composition and colour of moringa kernels. Microwave cooking indicated higher values of cookability than other cooking methods considered in this study, but no significant difference was observed in the organoleptic characteristics of moringa kernels due to the cooking methods.

Practical implications

Given the high protein and vital nutrients content which are seldom found in daily diets, moringa kernels may be considered by processors of edible nuts and kernels for food-based applications such as cooked, roasted, mixed or spiced kernels.

Originality/value

This work is perhaps the first to document moringa seeds processing by hydrothermal treatment.

Details

Nutrition & Food Science, vol. 45 no. 6
Type: Research Article
ISSN: 0034-6659

Keywords

Article
Publication date: 17 May 2013

Aakanksha Mahendra and Mini Sheth

The research aims to study the feasibility and acceptability trials of fructooligosaccharide (FOS) substituted popular Indian foods.

167

Abstract

Purpose

The research aims to study the feasibility and acceptability trials of fructooligosaccharide (FOS) substituted popular Indian foods.

Design/methodology/approach

Four Indian food items namely chapati, thepla, dhokla and patra were prepared. Wheat flour in chapati and thepla was substituted with FOS at four levels, i.e. 3 g, 5 g, 8 g and 10 g. Bengal gram in dhokla and patra was substituted with FOS at 3 levels, i.e. 5, 8 and 10 g. Ten semi‐trained panel members evaluated the recipes in triplicates using ten point numerical scoring test and difference test.

Findings

A significant reduction in all organoleptic attributes of chapati and thepla (p<0.001) was observed with the increase in level of substitution up to 10 g. A non‐significant increase in all the attributes was observed with the increase in level of FOS substitution in patra. For chapatis the most affected attribute were chewability, breakability and overall acceptability. For thepla there was 8.13 percent reduction in the overall acceptability. Dhokla and patra were acceptable at all the three levels of substitution. Using difference test a significant difference (p<0.05, p<0.01) was observed in the color and taste of chapatti. For thepla significant difference was observed in the organoleptic attributes like color and overall acceptability. However, no significant difference was noticed for dhokla and patra substituted with FOS.

Practical implications

The present study has opened a new avenue for preparation of commonly consumed FOS incorporated Indian food products.

Originality/value

This is original research which can benefit general and specific population.

Details

Nutrition & Food Science, vol. 43 no. 3
Type: Research Article
ISSN: 0034-6659

Keywords

Article
Publication date: 1 August 2005

Shalini Hooda and Sudesh Jood

Wheat is considered nutritionally poor, due to deficiency of essential amino acids such as lysine and threonine, whereas fenugreek (Trigonella faenum graecum L.) flour has a high…

1141

Abstract

Purpose

Wheat is considered nutritionally poor, due to deficiency of essential amino acids such as lysine and threonine, whereas fenugreek (Trigonella faenum graecum L.) flour has a high protein content (25 per cent), lysins (5.7g/16gN), soluble (20 per cent) and insoluble (28 per cent) dietary fibre besides being rich in calcium, iron and beta‐carotene. Fenugreek seeds contain 20 per cent soluble fibre (gum), which can act as functional agent in wheat dough. The presence of bitter saponins in fenugreek seeds limits their acceptability in foods. However, it has been possible to debitter fenugreek seeds by using various domestic processing methods. Therefore, their use can be exploited as functional and nutritional food as well as therapeutic agents. Hence, in the present study efforts have been made to develop wheat‐fenugreek‐based health bread.

Design/methodology/approach

In commonly grown varieties of wheat, namely WH‐423, and fenugreek namely Pusa, early bunching was obtained. Fenugreek seeds were divided into three portions. One portion was left unprocessed (raw), while the other two portions were soaked (12hr at 37C) and germinated (48hr at 37C) separately. Soaked and germinated samples were dried at 55‐60C. Dried samples of raw, soaked and germinated seeds were ground to fine powder. Fenugreek seed powder (raw, soaked and germinated) was blended separately with wheat flour at different levels, namely 5, 10, 15 and 20 per cent. Breads from control and supplemented flours were baked in replicates. Baking, organoleptic and nutritional characteristics were analysed in the control and supplemented breads. The data were statistically analyzed in complete randomized design for analysis of variance according to the standard method.

Findings

Supplementation of wheat flour with fenugreek flour from 5 to 20 per cent levels increased the protein, lysine, minerals and fibre contents of bread. Additions of fenugreek (raw, soaked and germinated) up to the level of 15 per cent produced bread with a satisfactory loaf volume and other sensory quality attributes (crumb colour, crumb texture, taste etc.), whereas the 20 per cent level of supplementation caused a depression effect in loaf volume and the breads were found to be bitter in taste, However, among the various supplemented breads, germinated fenugreek flour‐supplemented bread at 15 per cent level showed satisfactory baking and organoleptic characteristics and contained an appreciable amount of protein (24 per cent), total lysine (3.02g/100g protein), dietary fibre (12.04 per cent) and minerals.

Practical implications

Fast food are becoming as popular, as in developing countries. Keeping this fact in view, in the present study, health breads were prepared. The developed product had good acceptability, was nutritionally rich and had therapeutic value. So, these can be considered for commercialization.

Originality/value

As fenugreek seeds contain 20 per cent soluble fibre (gum), and 5.7g/16gN lysine contents, the soluble fibre of fenugreek seeds has been reported to reduce blood sugar and cholesterol levels. Therefore, their use can be exploited in the development of health foods.

Details

Nutrition & Food Science, vol. 35 no. 4
Type: Research Article
ISSN: 0034-6659

Keywords

Article
Publication date: 1 December 2005

Rezvan Pourahmad and Mahnaz Mazaheri Assadi

Yoghurt consists of approximately 60 per cent of per capita dairy consumption of Iranian people. Iranian dairy factories use commercial starters which are expensive in yoghurt…

Abstract

Purpose

Yoghurt consists of approximately 60 per cent of per capita dairy consumption of Iranian people. Iranian dairy factories use commercial starters which are expensive in yoghurt production. Moreover, yoghurt produced by these starters does not completely meet the taste of Iranian consumers. The aims of this study are to produce well qualified yoghurt from isolated native starters and to evaluate microbial, chemical and organoleptic characteristics of products.

Design/methodology/approach

The microflora of Iranian native yoghurts were isolated, purified and identified. The isolated strains were used as starter for the production of yoghurts. Sensory evaluation and measurement of pH, acidity and acetaldehyde content of the samples were carried out. Acidity, pH, acetaldehyde content, and microbial population of the best samples were measured during 21 days of cold storage. SPSS software was used for statistical analysis.

Findings

During the above mentioned storage period, acidity and acetaldehyde content increased significantly (p < 0.05). Significant decreases (p < 0.05) were observed in pH and microbial population. No significant difference in organoleptic characteristics (taste, smell and texture) were found after 21 days of cold storage.

Originality/value

Yoghurt production by native starter cultures instead of commercial ones is beneficial in respect of both economic and organoleptic aspects. The results indicate that the use of isolated native yoghurt starters in manufacturing yoghurt can be satisfactory and can also be extended to the production of yoghurt on an industrial scale.

Details

Nutrition & Food Science, vol. 35 no. 6
Type: Research Article
ISSN: 0034-6659

Keywords

Article
Publication date: 7 June 2013

Mouna Feki, Hédia Hannachi, Moez Bou Ali, Haytem Hamrouni, Elvira Romano, Boubaker Karray and Mohamed Hammami

The purpose of this paper is to build a class model to confirm the authenticity of olives from Bi'r al Malluli, Tunisian region, in order to obtain the Designation of Origin (DO).

Abstract

Purpose

The purpose of this paper is to build a class model to confirm the authenticity of olives from Bi'r al Malluli, Tunisian region, in order to obtain the Designation of Origin (DO).

Design/methodology/approach

In total, ten orchards of Chemlali olive oil variety were chosen, in Sfax region, characterized by the same applied cultural techniques. Pomological characters of olives, fatty acids composition and organoleptic analysis of olive oil were conducted.

Findings

Results showed that the pomological characters were specific of the Chemlali variety: the olive weight ranged from 0.9 to 1.10 g in all studied orchards and the water content (WC) ranged from 41.45 to 57.68 per cent. All analysed oils showed good fatty acids balance. Chemlali olive oil contains high amounts of oleic acid and a smaller amount of linoleic acid. The oleic acid content ranged from 57.96 to 63.52 per cent according to the orchards. All oils having oleic acid higher than 55 per cent are categorized as extra virgin olive oil based on International Olive Oil Council (IOOC) Norma. Based on the organoleptic analysis, all the analysed oils were classified as an extra virgin olive oil. The principal component analysis applied separately on olive characters and fatty acids contents do not indicate any group's structure.

Originality/value

An objective approach based on pomologic, sensory and acidic composition analyses would be used to delimitate Protected Designation of Origin (PDOs) in olive oil from the Bi'r al Malluli area and better protect their markets.

Details

British Food Journal, vol. 115 no. 6
Type: Research Article
ISSN: 0007-070X

Keywords

Article
Publication date: 9 May 2020

Aziz Homayouni, Reza Rezaei Mokarram, Sharareh Norouzi, Alireza Dehnad, Ali Barkhordari, Hamideh Homayouni and Hadi Pourjafar

Among soy products, soy ice cream with neutral pH, high total solids contents and prebiotic oligosaccharides is an appropriate vehicle for probiotics. The purpose of this paper is…

Abstract

Purpose

Among soy products, soy ice cream with neutral pH, high total solids contents and prebiotic oligosaccharides is an appropriate vehicle for probiotics. The purpose of this paper is to survey soy ice cream as a carrier for the efficient delivering of Lactobacillus casei, or L. casei.

Design/methodology/approach

Probiotic soy ice cream containing L. casei was produced via the powder of soy milk. The physicochemical and organoleptic properties of the product were assessed. Also, the viability of L. casei was surveyed over a 180-day period of storage at −25 °C.

Findings

The density characteristic of probiotic soy ice cream demonstrated a significant rise (P < 0.05). The result of the viability analysis showed significant alterations in the number of probiotics in this product after freezing and throughout the 180-day period (P < 0.05). The most noticeable drop was seen throughout the first 60 days about 1.83 logs after that the trend of survival of this probiotic strain leveled off over the next 120 days. Also, no significant differences were found in the organoleptic properties of both ice creams.

Originality/value

Soy ice cream with prebiotic elements protected the growing and activity of probiotic bacteria. The results showed that L. casei is a good probiotic for soy ice cream.

Details

Nutrition & Food Science , vol. 51 no. 1
Type: Research Article
ISSN: 0034-6659

Keywords

Article
Publication date: 1 May 2005

Neelam Khetarpaul, Rajni Goyal and Renu Garg

Soybean is one of the richest sources of protein. However, its longer cooking time is a major hurdle in its utilization. Keeping this in mind, aims to study the effect of…

Abstract

Purpose

Soybean is one of the richest sources of protein. However, its longer cooking time is a major hurdle in its utilization. Keeping this in mind, aims to study the effect of presoaking soybean with salt solutions such as sodium carbonate and sodium bicarbonate on the cooking time and organoleptic characters of soy dhal.

Design/methodology/approach

Soy dhal was obtained by blanching whole soybeans in boiling water for 15 minutes. Soy dhal was soaked in 0.5, 0.75 and 1 per cent solutions of sodium carbonate and sodium bicarbonate for 3, 6 and 9 h. The cooking time of soaked soy dhal was determined by boiling it and testing for softness by pressing between fingers and thumb. The boiled samples were evaluated organoleptically. These were further cooked with spices, followed by sensory evaluation.

Findings

The cooking time of untreated soy dhal was 162 min; it reduced significantly by 58‐98 per cent when soaked in salt solutions. The percentage reduction in cooking time was found to be greater when soy dhal was soaked in sodium carbonate solution; however, this adversely affected the colour and flavour. In contrast, soy dhal soaked in sodium bicarbonate was found to be acceptable to the human palate.

Research limitations/implications

Further research is needed regarding effect of presoaking on the nutritional quality of soy dhal.

Practical implications

Soy dhal should be soaked in sodium bicarbonate for at least 6 h to reduce its cooking time considerably.

Originality/value

This study has significance for those people who want to consume soybeans but avoid them because of their prolonged cooking time.

Details

British Food Journal, vol. 107 no. 5
Type: Research Article
ISSN: 0007-070X

Keywords

Article
Publication date: 9 February 2015

Michal Styp-Rekowski, Eugeniusz Manka, Maciej Matuszewski, Monika Madej and Dariusz Ozimina

The purpose of this paper was to create conditions for the correct decision concerning an exchange of the used rope for a new one. A cognitive goal was to indicate the causes of…

Abstract

Purpose

The purpose of this paper was to create conditions for the correct decision concerning an exchange of the used rope for a new one. A cognitive goal was to indicate the causes of its wear and determining its mechanism reliability and durability.

Design/methodology/approach

The magnetic, organoleptic and strength standard tests of lifting triangle-strand ropes of a mining hoist were carried out. This way the current state of the tested rope was defined.

Findings

On the basis of an analysis of the results of the performed tests: magnetic, organoleptic and fatigue tests, it can be said that the magnetic one is accurate enough only to indicate the place of the rope’s biggest weakening, though the degree of weakening is not defined precisely – with significant excess. The accurate rope’s destruction degree is indicated by the strength tests.

Practical implications

The results of described investigations can improve safety of the mining rope mechanisms operation, even for an increased resource.

Originality/value

The elementary wear processes, which are the basic reason for the destruction of the rope, are indicated. Rope destruction is caused mainly by tribological factors: abrasion, corrosion and fatigue wear. Magnetic tests are accurate enough only to indicate the place of the rope’s biggest weakening (qualitative index). Most precisely, the rope’s destruction degree (quantitative index) can be found by the strength tests.

Details

Industrial Lubrication and Tribology, vol. 67 no. 1
Type: Research Article
ISSN: 0036-8792

Keywords

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