American-Eurasian J. Agric. & Environ. Sci., 14 (3): 190-192, 2014
ISSN 1818-6769
© IDOSI Publications, 2014
DOI: 10.5829/idosi.aejaes.2014.14.03.81224
Corresponding Author: Javid Ali, PCSIR Laboratories Complex, Jamrud Road Peshawar, KPK-Pakistan.
190
Preparation of Instant Tomato Ketchup Powder and Comparison of its Physiochemical
Composition with Different Brands of Tomato Ketchup Available in Market
Saeed Akhtar, Javid Ali, Farhat Ali Khan, Bilal Javid, Said Hassan and Sudhair Abbas
1 1 2 3 4 5
PCSIR Laboratories Complex, Jamrud Road Peshawar, KPK-Pakistan
1
Sarhad University of Science and Information Technology Peshawar, KPK-Pakistan
2
Department of Plant Breading and Genetics, The University of Agriculture Peshawar, KPK-Pakistan
3
Department of Agricultural Chemistry, University of Agriculture, Peshawar, KPK-Pakistan
4
Department of Pharmacy, Abasyn University, KPK-Pakistan
5
Abstract: Instant tomato ketchup powder was prepared on cabinet dryer. The quality of prepared product
was also compared with three commercial brands of tomato ketchup. Among physiochemical characteristics;
total sugars, reducing sugars, total acidity, total soluble solids, moisture, protein, ash, NaCl % and fat were
determined. The prepared tomato ketchup powder moisture was 5.20%, ash was 4.2%, acidity was 4.9%, vitamin
C was 9.5 mg/100 g, NaCl was 7.2%, protein was 6.1%, total sugar was 67.1%, reducing sugar was 22.1% and
ether extract was 1.89%. The product was highly acceptable regarding taste and texture when reconstituted with
water.
Key words: Tomato Vitamin C Ingredients Sugars NaCl
INTRODUCTION in the food such as sauces and soups. Several food
Tomato (Lycopersicon esculentum Mill) is one of the processing and storage of the tomato products by
most popular and versatile vegetable all over the world. preventing the heat and oxidative damage on the
It plays a vital role in providing a substantial quantity of antioxidants [6]. On the other hand a useful optimization
vitamin C and A in human diet. The fruits are eaten raw or criterion requires a global approach that includes all the
cooked. It is most popular as salad in the raw state and is quality characteristics of the tomato products. Hence, it is
made into soups, juice, ketchup, pickles, sauces, necessary both to minimize the damage to the sensory
conserves, puree, paste, powder and other products [1]. and nutritional quality and to maximize the safety and
Tomatoes are one of the most widely used and shelf life of the products.
versatile vegetable crops. They are consumed fresh and In the present work an attempt has been made to
are also used to manufacture a wide range of processed break the conventional mode of tomato ketchup
products [2]. Tomatoes and tomato products are rich in preparation and a new approach has been adapted in
health related food components, as they are good sources order to make the product not only more economical but
of carotenoids (in particular, lycopene), ascorbic acid also more convenient in handling and transportation.
(Vitamin C), vitamin E, folate flavonoids and potassium
[3, 4]. The main antioxidants in the tomatoes are the MATERIALS AND METHODS
carotenoids, ascorbic acid and phenolic compounds [5].
Consumer demand for highly quality, minimally Raw Materials Collection: Fresh tomatoes of good
processed products has increased remarkably in recent quality were purchased from the vegetable market
years. Preference have shifted towards the fresh, healthy Peshawar city and were transported to the Food
and rich flavored ready to eat food with and enhanced Technology Center, PCSIR Laboratories Complex
shelf life. Tomato powders are often used as an ingredient Peshawar an, where tomato paste was prepared.
technology studies have been carried out to optimize the