Fortification of vanaspati ghee in PAKISTAN with Red palm...
Transcript of Fortification of vanaspati ghee in PAKISTAN with Red palm...
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TAUFIQ AHMAD PRINCIPAL SCIENTIST
Nuclear Institute For Food & Agriculture (NIFA) Peshawar
Nutritional and Health Attributes of Malaysian Palm Oil
Potential of Red Palm Oil For Combating Vitamin “A”Deficiency
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Vitamin A deficiency in over 70 countries of Asia & Africa
Affectees: i. Pre-school & school-going children (>78 m) About 3 m of these have eye disease. ii. Women of child-bearing age
Vitamin “A” Status in World
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Vitamin-A Deficiency in Pakistan
Clinical = 0.8% Sub-clinical =17.6% Mandatory requirement in ghee &
cooking oils = 3,300 IU (9.9 g/g) Fortification cost = US $ 4-6 per ton
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INTERVENTION STRATEGIES TO COMBAT “Vitamin A” DEFICIENCIES
Supplementation vitamin A capsule
Fortification with Synthetic Vitamin A Oil/Vanaspati ghee Milk/Dairy products Sugar, Salt, Rice Food fortification with natural
sources
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Advantages of Fortification of Vegetable Oils/Ghee
Consumed by every one.
Cost effective method Socially acceptable, require no change in food habits easy to monitor, safe. A viable food vehicle to deliver
micronutrients.
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RED PALM OIL Malaysian Palm Oil Board(MPOB)
commercial product
crude palm oil refined by special technology, retaining its minor components. Carotenoids = 500 –700 ppm Vitamin E = 800- 1000 ppm stability & nutritional properties β –carotene : retinol = 5.7 : 1 Metabolic Vitamin A value = 0.17 mg retinol absorbed /mg of β-
carotene consumed
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Chemical characteristics of Red Palm Oil
Ingredient Content FATTY acid % Myrestic 14:0 Palmetic 16:0 Stearic 18:0 Oleic 18:1 Linoleic 18:2 Total carotenes (µg /g) β carotenes (µg/g) Tocopherols &tocotrienols µg/L
0.80 42.2 51.1 42.0 10.0 550 375 468
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OBJECTIVES
To improve the Vitamin A status of Pakistani population by Fortification of Vanaspati Ghee with natural carotenes sourced from RPO replacing the synthetic Vitamin “A”
Shelf life extension of vanaspati ghee by natural antioxidant sourced from RPO .
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Production of RPOFV
Collaboration, AIL Nowshera. Vanaspati Ghee Standard Formulation i.e. 80%
PO+20% HCSO or 20% HSBO+ Synthetic Vitamins.
Vanaspati Ghee Was Blended With 6% RPO (Instead Of Synthetic Vitamin “A”)
Packed In One Kg Colored Polyethylene Pouches Under The Existing Commercial Brand Names (Shama)
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SELECTION CRITERIA
Low to average income group. Age limit 6-60 year. Explanation of Protocol of the project to
head of families. Consent proforma, Family profile, personal
profile and sensoric evaluation proformae were issued.
Experimental ghee was issued @ 1 kg/ person/month for 2 months.
Volunteers were advised to restrict to use test ghee for their all-cooking practices.
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PHASES
LOCALITY
NO. OF
VOLUNTEER
I
PESHAWAR
1. NIFA
2.FEROZ SONS
295
(20 families)
Selection of Volunteers
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PERCENTAGE OF OILS, FATS AND VITAMIN SUPPLEMENTS CONSUMED BY SUBJECTS
Subject % of Subjects % of Subjects
Consuming Vanaspati
Ghee
Consuming Cooking Oil
Not Consuming Vitamin
Supplement
Consuming Vitamin
Supplement
Male (n =95 ) *
76 23 100 NIL
Female (n =77)
75.3 24. 67 100 NIL
Children (n =123) **
81.3 18.6 100 NIL
* n = number of subjects ** Children under 18 years old
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Physico-Chemical Analysis of
Blended/Control Ghee
Colour Measurements (Lovibond) Peroxide value (meq/kg) Free Fatty Acid (FFA) Carotenoids Concentration (β-
Carotene) Stability Test (Active oxygen method)
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Product Quality Evaluation
Values are averages of at least three determinations
PARAMETERSCONTROL GHEE RPOFV GHEE
0-DAY 2-MONTHS 0-DAY 2-MONTHS
POV ( Meq/kg) 1.0960.175 4.250.24 0.7280.003 3.390.21
FFA (%) 0.1530.103 0.320.015 0.1371.09 0.I900.34
Color 2.7(RED) 2.7(RED 6 (RED) 6 (RED)
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AOM Evaluation of RPOFV and Control Vanaspati
0
10
20
30
40
50
60
70
0 6 12 18 24 30 36 42 48 54 60 66 72 78
Control
Blended
PO
V m
eq/k
g
AOM hours
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Sensory Evaluation
A questionnaire having five points hedonic scale was issued, for first fortnight and subsequently in the middle and before the end of two months period.
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Sensoric Evaluation of the RPOFV Ghee
Parameters
Evaluation
1st
2nd
3 rd
Appearance (1-5)
3.18 + 0.20
3.70 + 0.17
3.97 + 0.51
Colour (1-5)
2.07 + 0.83
2.18 + 0.78
2.82 + 0.58
Aroma (1-5)
4.07 + 0.49
3.90 + 0.26
3.95 + 0.43
Texture (1-5)
4.08 + 0.30
3.75 + 0.23
4.25 + 0.22
Taste (1-5)
4.37 + 0.32
4.12 + 0.28
4.27 + 0.35
Overall Acceptability (1-5)
3.59 + 0.27
3.56 + 0.21
3.78 + 0.37
1. Values are averages of 60 volunteer families 2. 1-5 hedonic scale was used with 5 = much better, and 1 = very
bad A Overall acceptability values are average values of appearance, colour, aroma, texture and taste.
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BLOOD COLLECTION AND ANALYSIS
Pre feeding (0-day) Post feeding (2-months) Blood Samples (4-5 ml) were collected in
test tubes having EDTA Plasma separation by centrifugation. Vitamin A/ -Carotene analysis
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Plasma 3ml 3mlEthnol Protein preciption Addition of 6ml pet-ether Mixing by vortex mixer Centrifugation Separation of the upper -carotene layer Absorption at 440 nm (-Carotene Evaporation of Pet-ether layer with CO2 Dissolution of residue in 0.5ml chloroform Addition 2 drops acetic anhydride Shaking Addition of carr price Reagent Development blue color at 620 nm (Vitamin A)
-Carotene and Vitamin “A” Assays
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Effect of RPOFV on Vitamin A Levels
0.00
10.00
20.00
30.00
40.00
0-Day 60- day
ug
/dl
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CONCLUSIONS
The consumption of RPOFV ghee increased Vitamin A over 30 % in the circulating levels of individuals.
Sensorically the RPOFV was found excellent RPO imparts stability to other oils On the basis of physiological performance,
RPO could be recommended for Pakistan to combat vitamin A deficiency
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Thanks