STUDY ON PROLONG SHELF-LIFE OF TOMATOES

1. STUDY ON PROLONG SHELF-LIFE OF TOMATOES • MS. LAI LAI MOE • MYANMAR

2. OBJECTIVES OF THE ACTION PLAN-To know the prolong shelf-life of tomatoes after harvesting and proper ways of storage without losing quality for consumer.-To find and disseminate simple and effective postharvest practices that prolongs the shelf- life of tomatoes.

3. 5 kg of tomatoes were chosen and divided into six groups. These tomatoes were placed under two different conditions. These are;Condition 1In refrigerator (temperature: 12.C, RH 73%) Condition 2Testing room (temperature: 27.C – 30.C, RH 85% - 92%)

6. Tomatoes were given under each conditions. These are;-Each tomato is placed with plastic bag and used rubber ring for air tight. -Each tomato is wrapped with newspaper.-Each tomato is placed without any packaging.

7. Tomato is placed with plastic bag and used rubber ring for air tight.

8. Tomato is wrapped with newspaper.

9. Tomato is placed without any packaging.

10. All these different treatments are named as T1 T2 T3 T4 T5 and T6.

11. T1 = Tomato packed with plastic bag. T2 = Tomato wrapped with newspaper. T3 = Tomato placed as it is without any packaging.

12. CONDITION I

13. T4 = Tomato packed with plastic bag. T5 = Tomato wrapped with newspaper. T6 = Tomato placed as it is without any packaging.

14. CONDITION 2

15. Ten tomatoes were placed in each treatment. The followings were tested daily and recorded weekly;(1)Weight losses(2)Color(3)Appearance & texture(4)Damage.

16. USED EQUIPMENT FOR THE ACTION PLAN

17. WET & DRY BULB HYDROMETER

18. -To known temperature & relative humidity

19. WEIGHT MACHINE

20. To known weight losses

21. NEEDED EQUIPMENT FOR THE ACTION PLAN

22. To known processes of changing color, appearances and texture.

23. T1In refrigeratorDay 1- Physical condition – 100% good.- Color – Yellow.

24. T1After 7 days- Physical condition – 100 % good.-Color – Yellow.

25. T1After 14 days- Physical condition – 100 % good.- Color – Yellow

26. T1After 21 days- Physical condition – 60% good, 40% shrink/soft. - Color – Yellow 40%,Partially red 40%,Red 20%.

27. T1After 28 days- Physical condition – 40% good, 60% damage.- Color - Partially red 30% ,Red 70%

28. T2Day 1- Physical condition – 100% good.- Color – Yellow.

29. T2After 7 days- Physical condition – 90 % good, Shrink/Soft 10%.-Color – Yellow 90%, Partially red 10% .

30. T2After 14 days- Physical condition – 70 % good, Shrink/Soft 30%.-Color – Yellow 10%, Partially red 40%, Red 50%.

31. T2After 21 days- Physical condition –Shrink/Soft 50%, Damage 50%.-Color –Partially red 20%, Red 80%.

32. T2After 28 days- Physical condition –Damage 100%.-Color –Partially red 20%, Red 80%.

33. T3Day 1- Physical condition – 100% good.- Color – Yellow.

34. T3After 7 days- Physical condition – 60% good, Shrink/Soft 40%.- Color – Yellow.

35. T3After 14 days- Physical condition – 40 % good, Shrink/Soft 50%, Damage 10%.-Color – Yellow 10%, Partially red 40%, Red 50%.

36. T3After 21 days- Physical condition –Good 10%, Damage 90%.-Color –Partially red 10%, Red 90%.

37. T3After 28 days- Physical condition –Damage 100%.-Color –Partially red 10%, Red 90%.

38. T4Day 1- Physical condition – 100% good.- Color – Yellow.

39. T4After 7 days- Physical condition – 70% good, Shrink/Soft 30%.- Color – Yellow 90%, Red 10%.

40. T4After 14 days- Physical condition – 60 % good, Shrink/Soft 40% -Color – Yellow 50%, Partially red 40%, Red 10%.

41. T4After 21 days- Physical condition –Good 60%, Damage 40%.-Color –Yellow 20%,Partially red 50%, Red 30%.

42. T4After 28 days- Physical condition –Good 40%,Damage 60%.-Color –Partially red 60%, Red 40%.

43. T5Day 1- Physical condition – 100% good.- Color – Yellow.

44. T5After 7 days-Physical condition–60% good, Shrink/Soft 30%,Damage 10%.- Color – Yellow 90%, Red 10%.

45. T5After 14 days- Physical condition – 20 % good, Shrink/Soft 40% ,Damage 40%.-Color – Yellow 60%, Partially red 40%.

46. T5After 21 days- Physical condition –Good 10%, Shrink/Soft 50%, Damage 40%.-Color –Yellow 50%,Partially red 20%, Red 30%.

47. T5After 28 days- Physical condition –Damage 100%.-Color –Yellow 40%,Partially red 30%, Red 30%.

48. T6Day 1- Physical condition – 100% good.- Color – Yellow.

49. T6After 7 days- Physical condition – 90% good, Shrink/Soft 10%.- Color – Yellow 80%,Partially red 10%, Red 10%.

50. T6After 14 days- Physical condition – 80% good, Shrink/Soft 20%.- Color – Yellow 50%,Partially red 40%, Red 10%.