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Panjikkaran, Seeja Thomachan
- Influence of Drying Methods on Primary Processing Techniques of Cocoa Beans Based on Free Fatty Acid Content
Authors
1 Department of Community Science, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala - 680 656, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 56, No 3 (2019), Pagination: 249-257Abstract
A systematic study was conducted to standardize the fermentation periods, methods and the performance of drying methods (natural sun drying and artificial oven drying) in the development of free fatty acid content in cocoa beans. Cocoa beans were subjected to different days of fermentation, starting with one day up to seven days and various fermentation methods (basket, heap and sack method). Heap method at seventh day of fermentation attained the best results with maximum per cent of fully fermented beans and lowest free fatty acid content (<1.75%). After fermentation, the cocoa beans were sun-dried and oven dried. The pH of sun dried beans ranged from 4.71 to 5.91, while that of oven dried beans was between 4.53 and 5.89. The sun dried beans contained higher moisture content than artificially oven dried beans and the bean recovery was also more in sun dried beans. The lipase activity prone to free fatty acid formation was higher in oven dried cocoa beans than sun dried beans. However the free fatty acid content was increased in both sun dried and oven dried cocoa beans (1.26 and 1.47%) compared to fermented cocoa beans, but it remains below the permissible limit of 1.75%.
Keywords
Cocoa Beans, Fermentation, Drying Methods, Free Fatty Acids.References
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- Physico Chemical Properties of Chocolates and its Variability with Process Conditions
Authors
1 Department of Community Science, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala - 680 656, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 57, No 1 (2020), Pagination: 73-87Abstract
Cocoa (Theobroma cacao L) is the only source of fashionable delicacy “Chocolate”. However, reduction in quality of processed beans due to accumulation of free fatty acid is a major problem. It is expected that the free fatty acid content must be less than 1.75 % in dry cocoa beans and chocolates. The small scale processors can not reach to the standards of chocolates of multinational companies. The study standardised a protocol for time (7, 9 and 11 hours) and temperature (600C and 700C) of tempering and conching in chocolate making. The physico chemical analysis and sensory evaluation of the chocolates were carried out. Tempering and conching influenced the textural properties like hardness, cohesiveness, adhesiveness and gumminess of chocolates. The energy content of 579.04 and 579.82 kcal was recorded in chocolates prepared at 600C and 700C for 11 hours. The protein content of alkalised and non alkalised chocolates varied between 7.30 and 10.45 g/100 g. The polyphenol content was 21 mg/100 g and 23 mg/100 g in alkalised and non alkalised chocolates. The lowest free fatty acid content in alkalised and non alkalised chocolates was 1.67% and 1.68% prepared at 700C for 11 hours. There was highest total score for sensory evaluation also for the chocolate prepared at 700C for 11 hours.Keywords
Cocoa, Chocolate, Tempering, Conching, Sensory Evaluation, Free Fatty Acid.References
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- Optimisation of Jackfruit Seed Flour Based Nutri Spreads with Various Fat Sources
Authors
1 Department of Community Science, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur - 680 656, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 57, No 2 (2020), Pagination: 142-153Abstract
Spreads are popular ready to eat convenient foods commonly used nowadays and the demand has come up for cost effective, nutritious spreads based on locally available resources. Hence, the present study was carried out to formulate nutritionally superior spreads. Jackfruit seed flour was used as the major ingredient and used in varying proportions starting from 50 to 25 % with various fat sources. Suitability of three different fat sources like cocoa butter, unsalted butter and hydrogenated palm oil were tried. Other ingredients used were cane sugar (12%), cocoa powder (4%), permitted food additives (3%) and salt (1%). Organoleptic evaluation of developed jackfruit seed flour based nutri spreads was done. The developed nutri spreads obtained high scores for organoleptic qualities with maximum scores for spreads prepared with hydrogenated palm oil. Highly acceptable nutri spreads could be standardised based on jackfruit seed flour successfully.Keywords
Jackfruit Seed Flour, Spreads, Fat Sources, Food Additive, Organoleptic.References
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- Shakerardekani, A., Karim, R., Ghazali, H.M. and Chin, N.L. Textural, rheological and sensory properties and oxidative stability of nut spreads. Int. J. Mol. Sci., 2013, 14, 4223-4241.
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- Obesity and Overweight Associated Blood Lipid, Haemoglobin and Blood Pressure Dynamics in School Children: A Cross Sectional Study from Kerala, India
Authors
1 Department of Community Sciences, College of Horticulture, Kerala Agricultural University, Thrissur, Kerala-680 656, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 57, No 3 (2020), Pagination: 293-307Abstract
The study was carried out to determine the change in bio chemical parameters with the incidence of obesity among school children aged 7 to 12 years. Sample size consisted of 200 children, with 100 each respectively from obese and normal weight children. Childhood obesity was related with lipid levels which in turn is associated with cardiovascular risk factors. The mean values of haemoglobin and blood pressure increased with body weight for both boys and girls. A positive correlation between biochemical parameters such as serum cholesterol, serum triglyceride, LDL, VLDL, HDL, haemoglobin, blood pressure and obesity was observed. The study also made an attempt to derive at regression equations by determining the correlation between blood lipid profile vs obesity and blood pressure vs obesity. The predictive index for childhood obesity was formulated for both boys and girls based on the biochemical parameters. For boys it is y = 10.4 + 0.169x1 + 0.90x2 + 0.278x3 – 0.015x4 + 0.2x5 – 0.831x6 – 4.18x7 and for girls it was derived as is y = – 20.0 + 0.006x1 + 0.149x2 – 0.06x3 + 0.067x4 + 0.133x5 – 0.001x6 , Where, x1 – Serum cholesterol, x2 - Serum TG, x3 - HDL, x4 – LDL, x5 – Systolic BP, x6 – Diastolic BP and x7 – VLDL.Keywords
Obesity, School Children, Lipid Profile, Cholesterol, Systolic BP, Diastolic BP.References
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- Standardisation and Quality Evaluation of Barnyard Millet Incorporated Probiotic Yoghurt
Authors
1 Department of Community Science, College of Agriculture, Kerala Agricultural University, Thrissur - 680 656, IN
2 Department of Dairy Microbiology, Verghese Kurien Institute of Dairy and Food Technology, Kerala Veterinary and Animal Science University, Thrissur - 680 654, IN
Source
The Indian Journal of Nutrition and Dietetics, Vol 60, No 2 (2023), Pagination: 235-243Abstract
Millets are said to be nutri-cereals because they provide most of the nutrients required for normal functioning of human body. It can be fermented for increasing their nutrient quality and digestibility, as well as their sensory qualities and functional qualities for local populations. Probiotics can be used to ferment millet which may enhance the nutritional content and bioavailability of nutrients in millets, and when administered in adequate amounts can confer health benefits for the host. In this context, standardisation of barnyard millet based yoghurt was done. Treatments with various combinations were tried, among which 50 % milk and 50 % millet slurry was selected as the best with mean scores of 8.67 for appearance, 8.76 for colour, 8.60 for flavour, 8.60 for taste, 8.62 for texture and 8.69 for overall acceptability. A 25 g of the barnyard millet based yoghurt was fermented with1 ml of probiotic culture (L. acidophilus) and 2 ml of yoghurt culture, incubated for 6 h at 38º C. The nutrients of non-probiotic barnyard millet based yoghurt along with probiotic yoghurt was assessed, and it was found to have moisture content of 85.05 and 87.03 %, acidity 0.72 and 0.81 %, pH 4.02 and 3.88, carbohydrate 8.76 and 8.58 %, protein 3.49 and 3.52 %, fat 0.59 and 0.63 %,TSS 12° brix and 11° brix, reducing sugar 8.33 and 7.55 %, total sugar 11.55 and 10.99 % crude fibre 0.60 and 0.50 % and total ash 0.68 and 0.69 %, respectively.
Keywords
Barnyard, Probiotic, L. Acidophilus, Yoghurt, Nutritional Qualities.References
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