Back

Quality analysis of Indian raisins

 

Quality analysis of physical parameters for Indian raisins

 

Parameter

Codex Standard

Limits found in Samples tested

Indian sample size (%) complying to Codex standards

Sample from USA No. 1

Sample from USA No. 2

Piece of stem / Kg

2

0-9

 

29.4

Nil

Nil

Cap Stem / 500 g

 

50 / 500

 

0-84

 

 

44.70

 

 

7

Nil

Immature (%)

 

6

0.24-3.10

100

 

3.1

1.5

Damaged (%)

 

5

 

0.24-9.84

 

94.11

 

3.8

1.8

Sugared (%)

 

15

 

0-15.54

 

94.11

 

3.4

Nil

Moisture (%)

18

 

11.65–15.23

100

12.5

16.3

 

Quality analysis of chemical parameters for Indian raisins

 

Parameter

Codex Standard

Limits found in Samples tested

Sample size (%) complying to Codex standards

Sample from USA No. 1

Sample from USA No. 2

Arsenic

BDL*

BDL

100

BDL

BDL

Lead

BDL

BDL

100

BDL

BDL

Mineral oil

5g/kg

Nil

100

Nil

Nil

SO2 (mg/Kg)

1500

51.2-128

100

Nil

Nil

Sorbitol

5g/kg

Nil

100

Nil

Nil

Pesticide Residues

BDL

BDL

100

BDL

BDL

Colour contamination

Nil

Nil

100

Nil

Nil

*    Below Detectable Limit

Microbiological assay of the raisin samples

 

Parameter

Codex Standard

Sample count

Sample size (%) complying to Codex standards

Sample from USA No. 1

Sample from USA No. 2

Salmonella spp. / g

Absent

Absent

100

Absent

Absent

E. coli     (MPN / g)

Absent

Absent

100

Absent

Absent

Enterobacter (MPN / g)

Absent

Absent

100

Absent

Absent

Citrobacter (MPN / g)

Absent

Absent

100

Absent

Absent

Staphylococcus aureus

Absent

Absent

100

Absent

Absent

Moulds

Absent

Absent

100

Absent

Absent

Summary of the organoleptic tests

 

Sample

Colour appearance

Flavour Aroma/Taste

Texture feel (soft/hard)

Acceptability

1.

3.66±0.82

3.8±0.77

3.6±0.91

3.66±0.90

2.

3.8±0.68

3.6±0.63

3.53±0.74

3.6±0.63

3.

3.33±0.72

3±1.20

3.06±0.96

3±1.0

4.

2.8±1.08

2.6±0.91

2.86±0.99

2.46±1.13

5.

3.46±1.19

3.13±0.74

3.46±1.13

3.33±0.98

6.

4.13±0.64

3.93±0.70

3.8±1.01

3.86±0.64

7.

3.66±0.82

4.06±0.80

3.6±0.83

4±0.93

8.

1.93±0.70

2.66±1.14

2.8±0.86

2.2±0.86

9.

2.66±1.05

3.13±0.99

2.66±0.90

2.66±0.90

10.

2.8±1.01

2.93±1.03

2.93±0.96

2.66±1.18

11.

2.93±0.80

3.53±0.74

3.33±1.05

2.93±0.88

12.

3.2±0.56

3.4±0.63

2.93±0.88

2.93±0.80

13.

4.26±0.59

4.46±0.64

4.13±0.64

4.53±0.52

14.

1.86±0.92

1.73±0.88

1.46±0.74

1.4±0.63

15.

1.33±0.49

1.4±0.55

1.26±0.59

1.2±0.44

16.

2.46±1.10

3±0.93

2.53±0.92

2.2±1.08

17.

2.53±1.06

3.26±1.10

2.93±0.96

2.66±1.35

 

Correlations among the organoleptic attributes

 

 

Colour

Acceptability

Taste

Texture

Color             

1

0.965**

0.897**

0.921**

acceptability 

0.965**

1

0.953**

0.960**

taste              

0.897**

0.953**

1

0.945

texture         

0.921**

0.960**

0.945**

1

**.  Correlation is significant at the 0.01 level (2-tailed).