Authors: Karn, Sanjeev Kumar; Chavasit, Visith; Kongkachuichai, Ratchanee; Tangsuphoom, Nattapol

Source: Food & Nutrition Bulletin, Volume 32, Number 1, March 2011 , pp. 13-22(10)

Publisher: Nevin Scrimshaw International Nutrition Foundation

Abstract:

Background. The prevalence of iron-deficiency anemia in Nepal is almost 50% of the whole population. Curry powder is a promising vehicle for fortification due to its use in various meals.

Objective. To evaluate the bioavailability of different iron fortificants in curry powder and their effects on the qualities of curry powder.

Methods. The serving size of curry powder was evaluated in 40 Nepalese households and 10 restaurants. The powders were fortified with iron sources of different bio-availability. Sources with good bioavailability of iron—ferrous sulfate (FS), ferrous fumarate (FF), and sodium ferric ethylenediaminetetraacetic acid (NaFeEDTA)—were added to provide one-third of the recommended daily intake (RDI) of iron per serving. Elemental iron (H-reduced [HRI] and electrolytic [EEI]), which has poor bioavailability, was added to provide two-thirds of the RDI per serving. Both fortified and unfortified products were packed in either commercial packs or low-density polyethylene bags and stored at 40 ± 2°C under fluorescent light for 3 months. The stored products were analyzed for CIE color, peroxide value, thiobarbituric acid reactive substances, moisture, water activity, iron, and sensory qualities. The contents of phenolic compounds and phytate were analyzed, and iron bioavailability was determined by the Caco-2 cell technique.

Results. The serving size of curry powder was 4g. Iron fortificants did not have adverse effects on the physical, chemical, and sensory qualities of curry powder packed in commercial packaging. After 3 months storage, HRI significantly affected darker colors of curry powder and the cooked dishes prepared with curry powder. The relative bioavailabilities of NaFeEDTA and EEI were 1.05 and 1.28 times that of FS, respectively. The cost of fortification with EEI was similar to that with FS and 4.6 times less than that with NaFeEDTA.

Conclusions. It is feasible and economical to fortify Nepalese curry powder packed in commercial packaging with EEI.

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Keywords: BIOAVAILABILITY; CURRY POWDER; IRON FORTIFICATION; NEPAL; SENSORY QUALITIES; SHELF STABILITY

Document Type: Research article

Publication date: 2011-03-01

More about this publication?

• Established in 1978, the Food and Nutrition Bulletin (FNB) is a peer-reviewed journal published quarterly by the Nevin Scrimshaw International Nutrition Foundation in association with the United Nations University.
  
  The focus of the journal is to highlight original scientific articles on nutrition research, policy analyses, and state-of-the-art summaries relating to multidisciplinary efforts to alleviate the problems of hunger and malnutrition in the developing world.
  
  Food and Nutrition Bulletin's 2011 Impact Factor: 1.922
  
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