Advances in Food Technology and Nutrition Sciences Open Journal






Physicochemical and Organoleptic Characteristics of Dehydrated Apricots under Different Drying ConditionsOpen Access


Faizullah Khan1*Tariq Umar Khan1Muhammad Arif2Tajuddin3 Muhammad Qasim 2  and   Maraj Alam4

*Corresponding author:   Faizullah Khan


http://dx.doi.org/10.17140/AFTNSOJ-2-125


Citation


Khan F, Khan TU, Arif M, Tajudin, Alam M. Physicochemical and organoleptic characteristics of dehydrated apricots under different drying conditions. Adv Food Technol Nutr Sci Open J. 2016; 2(1): 3-8. doi: 10.17140/AFTNSOJ-2-125




Copyright


©2016 Khan F. This is an open access article distributed under the Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Full-Text PDF 888.10 KB

Research


The present study was carried out to investigate the effect of different drying methods on the physicochemical composition and organoleptic characteristics of dehydrated apricot fruits. The fresh apricot was dehydrated in open sun and in moveable solar drier developed by Pakistan Council of Scientific and Industrial Research (PCSIR) Skardu. The chemical composition showed that the fresh apricots contained moisture 83.3%, ash 0.72%, crude fat 0.03%, crude Protein 0.9%, crude fiber 1.02% and carbohydrates 14.03%. The moveable solar drier and using open sun drying substantially decreased moisture content to 14.61% and 15.7% respectively. Proportions of other components were increased, which include ash (3.51% and 3.43%), crude fat (1.99% and 1.82%), crude protein (1.0% and 0.97%), crude fiber (2.98% and 2.95%) and carbohydrates (75.91% and 75.13%). Organoleptic characteristics of open sun dried apricot has a little negative effect on over all acceptability when compared to moveable solar dehydrated apricot, however the open sun dried method was declared acceptable by the panel of judges for color, taste and overall acceptability.




Apricot; Dehydration; Sun drying; Moveable solar drier.




PCSIR: Pakistan Council of Scientific and Industrial Research; GB: GilgitBaltistan; FTC: Food Technology Center; PSF: Pakistan Science Foundation.





Gilgit-Baltistan (GB) is the most important part of the country extends over an area of 27188 sq miles. Administratively it is distributed among 10 Districts (Gilgit, Skardu, Diamer, Astore, Ghagchae, Ghizer, Hunza, Nagar, Shigar and Kharmang) with a population of 2 million. The main issue of Gilgit-Baltistan is food insecurity as cultivated lands are less than one kanal per capita.1,2 The people of GB totally depend on wheat supplied through Government on subsidized rates form Punjab.3-5 Apricot (Prunus armeniaca L.) is one of the most important, attractive, delicious, highly nutritious and major fruits of Gilgit-Baltistan. The fruit tree grows from plain to altitude of 3000 meters.6 The fruit is having a distinct pleasant aroma and is used for preparing many products including jam and nectar. The dried fruit is available in the market round the year, while the fresh fruit comes in the market by the end of May to September.7 Due to lack of processing, preservation, testing, transportation, communication and research large amount of fruits and vegetables are wasted and do not reach in distant markets because of their perishability.8 To overcome the food security issues of Gilgit-Baltistan and to cope the tremendously increasing demand of food locally without bringing more land under cultivation. Dehydration, processing and preservation of fruits through trainings to farming community are milestone.9,10 The present work was thus under taken to evaluate the chemical and organoleptic characteristics of dehydrated apricot and to compare their quality on the basis of nutritional significance under different drying methods used in Gilgit-Baltistan.11





Dehydration of Fruits

Proper healthy and mature Apricot (Halman variety) fruits were selected for this study. The fruits were washed with deionized water and dipped in already prepared 1500 ppm potassium metabisulphite solution12-14 for 20 minutes. The fruits were then kept in pre-washed stainless steel perforated trays. The trays were put in moveable solar drier and in open sun on the roof of PCSIR processing hall. The moveable solar drier moved according the direction of sun 8:00 am and 3:00 pm.15,16 The moveable solar drier temperature reached to 70-75 °C maximum and the open sun maximum temperature was noted up to 20-27 °C during the month of July. The apricot dehydrated in moveable solar drier during 46 hours (approximate 2 days) while apricot dehydrated in open sun during 196 hours (8 days and 4 hours). The trays collected from moveable solar drier and open sun were packed in polyethylene zip bags with proper tags for further physicochemical and organoleptic evaluation.3,17 (See Flowsheet diagram)

Physicochemical Analysis

Moisture, total ash, crude fat, crude protein, crude fiber and carbohydrates were determined according to the Association of Analytical Communities (AOAC) methods. Crude protein was estimated by kjeldhal method, Carbohydrates were determined by difference method.18-22 (Tables 1 and 2)



Flow sheet diagram of dehydrated apricot.

Flow sheet diagram of dehydrated apricot.



Table 1: Chemical composition of fresh apricot halman (gm/100 gm).

Table 1: Chemical composition of fresh apricot halman (gm/100 gm).



Table 2: Chemical composition of dehydrated apricot halman (gm/100 gm).

Table 2: Chemical composition of dehydrated apricot halman (gm/100 gm).




Organoleptic/Sensory Evaluation of Dehydrated Apricot

The organoleptic/sensory evaluation for appearance, color, texture, taste and overall acceptability conducted using nine point hedonic scale in accordance with the method described by Larmond.23-27 The panel members were selected on the basis of their ability to discriminate and scale abroad range of different attributes of dehydrated apricot. An orientation program was organized for the panel members to brief them the objective of the study. The samples were served to the panelists for organoleptic/sensory analysis. The judges were provided with prescribed questionnaires to record their observation. The information contained on the performa was Larmond nine point hedonic scale i.e. 9=Liked extremely; 8=Liked very much; 7=Liked moderately; 6=Liked slightly; 5=Neither liked nor disliked; 4=Disliked slightly; 3=Disliked moderately; 2=Disliked very much; 1=Disliked extremely. The panelists expectorated the samples and rinsed mouth using distilled water between samples. The experiment was repeated twice and the values are presented as means.28





Physicochemical Composition of Dehydrated Apricot Samples

The highest moisture content was recorded in fresh apricot i.e. (83.3%), followed by the open sun drying apricot was found to be (15.7%) whereas, the lowest values (14.61%) was recorded in the moveable solar dehydrated apricot sample and the results are highly significant (p<0.01) among the different methods. The highest ash (3.51%) was found in moveable solar dehydrated sample fallowed by open sun drying sample at (3.43%), whereas the lowest (0.72%) ash observed in the fresh apricot sample, which were significantly different from each other. The highest moisture content in fruits makes it ideal for fruit juicing as a supplement. Simultaneously, high moisture content tends to promote microbiological contamination and chemical degradation. The results indicated that the highest mean values (75.91%) carbohydrate was recorded in moveable solar drier dehydrated samples, while in the open sun drying sample ranked 2nd which was observed (75.13%), where as the minimum mean values (14.03%) observed in fresh samples of apricot. The results obtain from dehydrated sample was statistically different as compared to fresh samples. The highest (%) of protein was observed in moveable solar drier dehydrated samples i.e. (1.0%) followed by open sun dehydrated samples (0.97%). The lowest value of protein (%) of apricot (0.9%) was recorded in fresh apricot samples and the results were highly significant. The highest (%) of fat observed in moveable solar drier dehydrated samples i.e. (1.99%) followed by open sun dehydrated samples (1.82%). The lowest value of fat (%) of apricot (0.03%) was recorded in fresh apricot samples and the results were highly significant. The highest (%) of crude fiber was observed in moveable solar drier dehydrated samples i.e. (2.98%) followed by open sun dehydrated samples (2.95%). The lowest value of carbohydrate (%) of apricot (1.02%) was recorded in fresh apricot samples and the results were highly significant.

This study showed that apricot has high moisture (83.3%). It is known that products that have low fat values normally have high moisture contents. Moisture (%) is a widely used parameter in the processing and testing of food. The observed value implies that cauliflower may have a short shelf-life since microorganisms that cause spoilage thrive in foods having high moisture content and also is indicative of low total solids. The high moisture content of apricot is consistent with the report29 of which a high moisture value for fruits like white mulberry (82.50%) and black mulberry (78.03%) was observed.

The carbohydrate (%) of apricot fresh fruit (14.03%) in this study is low but it is higher than that of the related fruit mulberry (13.83%). Similarly, protein (%) in apricot is (0.9%) is low and similar to these values reported by researchers in other fruits. such as “mulberry” (1.73%). The fat (%) of apricot is (0.03%) which is than that of kale (0.26%).30 Since fresh and dry apricot fruit has low fat (%), it can be used by individuals as a low caloric diet to reduce weight. The fiber (%) of apricot (1.02%) was found to be lower than some other fruits such as “mulberry” 11.1%. Fiber cleanses the digestive tract, by removing potential carcinogens from the body and prevents the absorption of excess cholesterol.

Fiber also adds bulk to the food and prevents the intake of excess starchy food and may therefore guard against metabolic conditions such as hypercholesterolemia and diabetes mellitus. Fiber can also help to keep blood sugar levels under control.31,32 Moveable solar dehydrated and open sun dehydrated apricot samples had higher proximate analysis values due to removal of moisture.



Table 3: Mean acceptability scores for dehydrated apricot samples.

Table 3: Mean acceptability scores for dehydrated apricot samples.




Organoleptic/Sensory/Evaluation of Dehydrated Apricot Samples

The dehydrated apricots of open sun dehydration and moveable solar drier dehydrated apricot samples were evaluated organoleptically. The samples were graded by numerical scoring, on a nine point hedonic scale. The results of organoleptic evaluation were reported in Table 3. The organoleptic evaluation shows, slightly reduction in the mean score for over all acceptability of open sun dehydrated apricot. Taste and texture of the both dehydration methods remains same. There was a clear difference shown in mean scores of color, appearance and overall acceptability of samples. The open sun dehydrated apricot has a less attractive color, appearance and overall acceptability as compared to portable and moveable solar drier dehydrated apricot that have high scores in color, appearance and overall acceptability. The dehydration completed in open sun in 9 days interval and in moveable solar drier it dehydrated in only 2 days interval. The poor color and appearance of open sun dehydration is due to more time exposing to light and wind as compared to moveable drier. The fewer score in sensory evaluation in overall acceptability of open sun dehydration may be due to dust and color.29 However the portable and moveable solar drier dehydrated apricot was liked very much by the panel of judges and open sun dehydrated apricot was declared acceptable.





The findings of this study show that the moveable solar dehydration and open sun dehydration of apricot fruit are effective in preserving the chemical composition of apricot and preventing deterioration by reducing moisture.33 In comparison of open sun dehydration and moveable solar dehydration, organoleptic characteristics of open sun dried apricot have a little negative effect on over all acceptability as compared to moveable solar dehydrated apricot. The moveable solar dehydration is so for good on color, taste and over all acceptability. The fruits dehydrated using solar dryer were hygienically more acceptable as compared to open sun dehydration. However; the open sun dried fruits were declared acceptable by the panel of judges for color, taste and overall acceptability.34





This research work was supported by Pakistan Science Foundation Project PSF/NSLP/GB-PCSIR (437) titled “Processing of fruits and vegetables and its utilization in the development of Value added products”. So the authors are thankful to The Pakistan Science Foundation (PSF), Islamabad for providing funds to conduct this research study. The authors would like to acknowledge the help extended to us by Dr. Arshad Hussain and Dr. Javed Abbas Bangush, Food Technology Center (FTC), PCSIR Labs Complex, Peshawar, Pakistan for providing cooperation in this study.





The authors declare that they have no conflicts of interest.




1. Musa Javed M. Agricultural statistics for Gilgit-Baltistan. Agriculture Department Gilgit Baltistan. 2007. Web site. http://lib. icimod.org/record/28847/files/7HAR.pdf. Accessed April 13, 2016

2. AKRSP. AKHA Khan Rural Support Programe (AKRSP). Annual progress report. 1999. Web site. http:/www.nlh.no/noragric/ projects/AKRSP/default.htm. Accessed April 13, 2016

3. Duke JA, Ayensu ES. Medicinal plants of China. 3rd ed. China: References Publication Inc: 1985; 705.

4. FAO. Food and Agriculture Organization of the United Nations, Rome, 2008. Web site. http://www.fao.org/docrep/011/ i0291e/i0291e00.htm. Accessed April 13, 2016

5. FAO, DOA. Food and Agriculture Organization and Department of Agri-culture, Northern Areas. Fruit production in Northern Areas, Survey report. UN-PAK/FAO/2001/003. 2007. Web site. http://www.fao.org/docrep/011/i0291e/i0291e00.htm. Accessed April 13, 2016

6. Government of Pakistan (GOP). Agriculture statistics of Pakistan, Ministry of Food, Agriculture and Live stock. Agriculture and Live Stock Division Economic Wing, Islamabad. 1998.

7. Faqir MA, Saeed A, Maqam D. Storage effect on physiochemical and sensor characteristics of dried apricot jam. Pak J Food Sci. 2004; 14(1-2): 43-47. Web site. http://www.sciencepublishinggroup.com/journal/paperinfo?journalid=154&doi=10 .11648/j.jfns.20150306.13. Accessed April 13, 2016

8. Science and Technological Research Division. Control of post harvest losses of fruits in Northern Areas and swat division. Compilation report of project CPHL. PCSIR, Ministry of science and technology. 2009. Web site. http://www.pc.gov.pk/psdp/ psdp%202006-07/st2006-07-9.pdf. Accessed April 13, 2016

9. DOA, Department of Agriculture, Northern Areas. Fruit production in Northern Areas. Statistics unit annual report. 2008; 12. Web site. http://onlinelibrary.wiley.com. Accessed April 13, 2016

10. Government of Pakistan (GOP). Fruit, vegetables and condiments statistics of Pakistan. Ministry of Food, Agriculture and Livestock, Islamabad. 2008. Website: http://www.amis.pk/files/ Fruit,Vegetable%20&%20Condiments%20Statistics%20of%20 Pakistan.PDF. Accessed April 13, 2016

11. DAWN. Solar drying technology for northern areas. 2004. Web site. http://www.dawn.com/news/395968/islamabad-solardrying-technology-for-n-areas-soon. Accessed April 13, 2016

12. FOA. Guide to the safe use of food additives. Codex Alimentarius Commission Rome. 1995.

13. Hussain I, Zeb A, Shakir I, Shah AS. Combined effect of potassium sorbate and sodium benzoate on individual and blended juices of apricot and apple fruits grown in Azad Jammu and Kashmir. Pak. J. Nutr. 2008; 7(1): 181-185. Web site. http:// agris.fao.org/agris-search/search.do?recordID=DJ2012053551. Accessed April 13, 2016.

14. Hashmi MS, Alam S, Riaz A, Shah AS. Studies on microbial and sensory quality of mango pulp storage with chemical preservatives. Pak. J. Nutr. 2007; 6: 85-88. doi: 10.3923/ pjn.2007.85.88

15. Akbulut M, Artik N. Phenolic compounds profile of apricot and wild apricot fruits and their changes during the process. Ankara, Turkey: 7th Food Congress in Turkey; 2002: 57-64.

16. Ahmadi H, Fathollahzadeh H, Mobli H. Some physical and mechanical prop-erties of apricot fruits, pits and kernels. In: Tabarzeh CV, ed. American-Eurasian J Agric Environ Sci. 2008; 3(5): 703-707.

17. Haciseferogullari H, Gezer I, Ozcan MM, MuratAsma B. Postharvest chemical and physical-mechanical properties of some apricot varieties cultivated in Turkey. J Food Eng. 2007; 79(1): 364-373. Web site. http://malatyaapricots.com/ bazimakaleler/J.Food%20engineering%20(son).pdf. Accessed March 23, 2006

18. Chemical Book. Official Methods of Analysis of the Association of the Official Analytical Chemist, 17th ed, Washington DC, USA. 2000. Web site. http://www.chemicalbook.com/ChemicalProductProperty_EN_CB72096013.htm. Accessed April 13, 2016

19. Awan JA, Rahman SU. Food Analysis Manual. Faisalabad, Pakistan: Unitech Communication; 2006.

20. Chevallier A. The encyclopedia of medicinal plants. London, UK: Dorling Kindersly; 1996.

21. Jacobs MB. The chemical analysis of foods and food products. 2nd ed. New York, USA: D Van Nostran; 1951.

22. Watnabe FS, Olsen SR. Determination of phosphorus in water and sodium benzoate extract of oil. Soil. Sci. Am. Proc. 1965; 29: 667-668. Web site. http://www.innspub.net/wp-content/ uploads/2014/01/IJB-V4No2-p221-231.pdf Accessed April 13, 2016

23. Larmond E. Laboratory methods for sensory evaluation of food. Canada Dept Agri Pub. 1977; 1637.

24. Parmer C, Kaushal MK. Wild fruits of Sub-Himalayan Region. Kalyani Publishers, New Delhi, India. 1982; 403. Website. http://www.cabdirect.org. Accessed April 13, 2016.

25. Ranganna S. Sensory evaluation General instruction for microbiological examination. 2nd ed. New Delhi, India: Tata McGraw Hill Publishing Company Ltd; 1986: 670-686.

26. Rich M. Plants for a future-species database. Cornucopia: A source book of edible plants. USA: Kampong Publication; 2000: 490.

27. Ruck JA. Chemical methods for analysis of fruits and vegetables products. Sumer land, Canada: Canadian Research Board Department of Agriculture; 1963.

28. Steel RD, Torrie JH, Dickey D. Principles and procedures of statistic: A biometrical approach. 3rd ed. New York, USA: McGraw Hills Book Co Inc; 1997.

29. Samann H. Suitability of indigenous fruit. Cultivars for the production of dried fruit. Mitteilungen-Klosterneubury Rebe Und Wein, Obstbau and Fruchtever Wertung. 1991; 41(3): 127- 133.

30. Ali S, Masud T, Abbasi KS. Physico-chemical characteristics of apricot (Prunus armeniaca L.) grown in Northern Areas of Pakistan. Sci Hort. 2011; 130(2): 386-392.

31. Akin EB, Karabulut I, Topcu A. Some compositional properties of main Malatya apricot (Prunus armeniaca) varieties. Food Chem. 2008; 107(2): 939-948.

32. Aubert C, Chaforan C. Postharvest changes in physicochemical properties and volatile constituents of apricot (Prunus armeniaca L.). Characterization of 28 cultivars. J Agric Food Chem.2007: 55: 3074-3082. doi: 10.1021/jf063476w

33. Yeung HC. Handbook of China herbs and formulas. Los Angeles, USA: Institute of China Medicine; 1985: 79.

34. Zhijun WZG, Weiming F. Effect of room temperature storage on change of quality and physiology of apple fruit. Nanjing Yang Daxue Xuebo. 1998; 21: 107-111.

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TABLES and FIGURES


Tables


Flow sheet diagram of dehydrated apricot.

Flow sheet diagram of dehydrated apricot.



Table 1: Chemical composition of fresh apricot halman (gm/100 gm).

Table 1: Chemical composition of fresh apricot halman (gm/100 gm).



Table 2: Chemical composition of dehydrated apricot halman (gm/100 gm).

Table 2: Chemical composition of dehydrated apricot halman (gm/100 gm).


Table 3: Mean acceptability scores for dehydrated apricot samples.

Table 3: Mean acceptability scores for dehydrated apricot samples.



Top

References


1. Musa Javed M. Agricultural statistics for Gilgit-Baltistan. Agriculture Department Gilgit Baltistan. 2007. Web site. http://lib. icimod.org/record/28847/files/7HAR.pdf. Accessed April 13, 2016

2. AKRSP. AKHA Khan Rural Support Programe (AKRSP). Annual progress report. 1999. Web site. http:/www.nlh.no/noragric/ projects/AKRSP/default.htm. Accessed April 13, 2016

3. Duke JA, Ayensu ES. Medicinal plants of China. 3rd ed. China: References Publication Inc: 1985; 705.

4. FAO. Food and Agriculture Organization of the United Nations, Rome, 2008. Web site. http://www.fao.org/docrep/011/ i0291e/i0291e00.htm. Accessed April 13, 2016

5. FAO, DOA. Food and Agriculture Organization and Department of Agri-culture, Northern Areas. Fruit production in Northern Areas, Survey report. UN-PAK/FAO/2001/003. 2007. Web site. http://www.fao.org/docrep/011/i0291e/i0291e00.htm. Accessed April 13, 2016

6. Government of Pakistan (GOP). Agriculture statistics of Pakistan, Ministry of Food, Agriculture and Live stock. Agriculture and Live Stock Division Economic Wing, Islamabad. 1998.

7. Faqir MA, Saeed A, Maqam D. Storage effect on physiochemical and sensor characteristics of dried apricot jam. Pak J Food Sci. 2004; 14(1-2): 43-47. Web site. http://www.sciencepublishinggroup.com/journal/paperinfo?journalid=154&doi=10 .11648/j.jfns.20150306.13. Accessed April 13, 2016

8. Science and Technological Research Division. Control of post harvest losses of fruits in Northern Areas and swat division. Compilation report of project CPHL. PCSIR, Ministry of science and technology. 2009. Web site. http://www.pc.gov.pk/psdp/ psdp%202006-07/st2006-07-9.pdf. Accessed April 13, 2016

9. DOA, Department of Agriculture, Northern Areas. Fruit production in Northern Areas. Statistics unit annual report. 2008; 12. Web site. http://onlinelibrary.wiley.com. Accessed April 13, 2016

10. Government of Pakistan (GOP). Fruit, vegetables and condiments statistics of Pakistan. Ministry of Food, Agriculture and Livestock, Islamabad. 2008. Website: http://www.amis.pk/files/ Fruit,Vegetable%20&%20Condiments%20Statistics%20of%20 Pakistan.PDF. Accessed April 13, 2016

11. DAWN. Solar drying technology for northern areas. 2004. Web site. http://www.dawn.com/news/395968/islamabad-solardrying-technology-for-n-areas-soon. Accessed April 13, 2016

12. FOA. Guide to the safe use of food additives. Codex Alimentarius Commission Rome. 1995.

13. Hussain I, Zeb A, Shakir I, Shah AS. Combined effect of potassium sorbate and sodium benzoate on individual and blended juices of apricot and apple fruits grown in Azad Jammu and Kashmir. Pak. J. Nutr. 2008; 7(1): 181-185. Web site. http:// agris.fao.org/agris-search/search.do?recordID=DJ2012053551. Accessed April 13, 2016.

14. Hashmi MS, Alam S, Riaz A, Shah AS. Studies on microbial and sensory quality of mango pulp storage with chemical preservatives. Pak. J. Nutr. 2007; 6: 85-88. doi: 10.3923/ pjn.2007.85.88

15. Akbulut M, Artik N. Phenolic compounds profile of apricot and wild apricot fruits and their changes during the process. Ankara, Turkey: 7th Food Congress in Turkey; 2002: 57-64.

16. Ahmadi H, Fathollahzadeh H, Mobli H. Some physical and mechanical prop-erties of apricot fruits, pits and kernels. In: Tabarzeh CV, ed. American-Eurasian J Agric Environ Sci. 2008; 3(5): 703-707.

17. Haciseferogullari H, Gezer I, Ozcan MM, MuratAsma B. Postharvest chemical and physical-mechanical properties of some apricot varieties cultivated in Turkey. J Food Eng. 2007; 79(1): 364-373. Web site. http://malatyaapricots.com/ bazimakaleler/J.Food%20engineering%20(son).pdf. Accessed March 23, 2006

18. Chemical Book. Official Methods of Analysis of the Association of the Official Analytical Chemist, 17th ed, Washington DC, USA. 2000. Web site. http://www.chemicalbook.com/ChemicalProductProperty_EN_CB72096013.htm. Accessed April 13, 2016

19. Awan JA, Rahman SU. Food Analysis Manual. Faisalabad, Pakistan: Unitech Communication; 2006.

20. Chevallier A. The encyclopedia of medicinal plants. London, UK: Dorling Kindersly; 1996.

21. Jacobs MB. The chemical analysis of foods and food products. 2nd ed. New York, USA: D Van Nostran; 1951.

22. Watnabe FS, Olsen SR. Determination of phosphorus in water and sodium benzoate extract of oil. Soil. Sci. Am. Proc. 1965; 29: 667-668. Web site. http://www.innspub.net/wp-content/ uploads/2014/01/IJB-V4No2-p221-231.pdf Accessed April 13, 2016

23. Larmond E. Laboratory methods for sensory evaluation of food. Canada Dept Agri Pub. 1977; 1637.

24. Parmer C, Kaushal MK. Wild fruits of Sub-Himalayan Region. Kalyani Publishers, New Delhi, India. 1982; 403. Website. http://www.cabdirect.org. Accessed April 13, 2016.

25. Ranganna S. Sensory evaluation General instruction for microbiological examination. 2nd ed. New Delhi, India: Tata McGraw Hill Publishing Company Ltd; 1986: 670-686.

26. Rich M. Plants for a future-species database. Cornucopia: A source book of edible plants. USA: Kampong Publication; 2000: 490.

27. Ruck JA. Chemical methods for analysis of fruits and vegetables products. Sumer land, Canada: Canadian Research Board Department of Agriculture; 1963.

28. Steel RD, Torrie JH, Dickey D. Principles and procedures of statistic: A biometrical approach. 3rd ed. New York, USA: McGraw Hills Book Co Inc; 1997.

29. Samann H. Suitability of indigenous fruit. Cultivars for the production of dried fruit. Mitteilungen-Klosterneubury Rebe Und Wein, Obstbau and Fruchtever Wertung. 1991; 41(3): 127- 133.

30. Ali S, Masud T, Abbasi KS. Physico-chemical characteristics of apricot (Prunus armeniaca L.) grown in Northern Areas of Pakistan. Sci Hort. 2011; 130(2): 386-392.

31. Akin EB, Karabulut I, Topcu A. Some compositional properties of main Malatya apricot (Prunus armeniaca) varieties. Food Chem. 2008; 107(2): 939-948.

32. Aubert C, Chaforan C. Postharvest changes in physicochemical properties and volatile constituents of apricot (Prunus armeniaca L.). Characterization of 28 cultivars. J Agric Food Chem.2007: 55: 3074-3082. doi: 10.1021/jf063476w

33. Yeung HC. Handbook of China herbs and formulas. Los Angeles, USA: Institute of China Medicine; 1985: 79.

34. Zhijun WZG, Weiming F. Effect of room temperature storage on change of quality and physiology of apple fruit. Nanjing Yang Daxue Xuebo. 1998; 21: 107-111.

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July, 2016
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Received: April 14th, 2016
Accepted: June 6th, 2016
Published: June 7th, 2016



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