Processing of Jackfruit (Langka), Dried & Flakes

Why process jackfruit?

  • The fruit is rich in vitamins A, B and C, potassium, calcium, iron, proteins and carbohydrates
  • Processing reduces post-harvest losses
  • Processing increasing the shelf-life of the fruit
  • Processing adds value and increase income

DRIED JACKFRUIT

Procedure

  1. Wash jackfruit with clean tap water.
  2. Soak in 200 ppm chlorinated water* for 10 minutes to reduce microbial load.
  3. Cut into halves. Separate edible yellow pulp from the white pulp.
  4. Remove the seeds. Weigh the yellow pulp.
  5. Prepare 60% syrup* in a container. Mix sugar and water to dissolve. Bring to boil.
  6. Blanch the pulp in syrup until translucent. Cool.
  7. Add 0.1% sodium metabisulfite* in syrup. Dissolve thoroughly.
  8. Soak overnight. Drain the syrup.
  9. Rinse with clean tap water. Lay in trays.
  10. Dry in a cabinet dryer at 60-C for 8 to 12 hours or until the pulp sticks to the cheesecloth.
  11. Remove from trays and loosely pack dried jackfruit in ordinary plastic bags.
  12. Allow to sweat overnight for moisture equilibration.
  13. Coat in confectioner’s sugar.
  14. Pack in OPP or PP plastic bags of 0.003″ to 0.004″ thickness.
  15. Seal, label and store in a cool and dry place.

* 60% syrup – Basis: 1 kilo of edible pulp = 600 grams sugar + 400 mL water
50% syrup – Basis: 1 kilo of edible pulp = 500 grams sugar + 500 mL water
0.1% sodium metabisulfite (antioxidant)
0.1% convert to 0.001 = 0.001 x 1 kilo = 0.001 kg or 1 gram

JACKFRUIT FLAKES

Procedure

  1. Weigh previously washed and sanitized jackfruit. Cut and slice.
  2. Separate edible yellow pulp from the white pulp.
  3. Remove seeds. Weigh yellow pulp.
  4. Steam-blanch yellow pulp for 3 minutes. Weigh.
  5. Add 5% maltodextrin*. Blend.
  6. Dry in a drum dryer.
  7. Cut/Roll into shapes while hot.
  8. Allow to cool at room temperature.
  9. Pack in appropriate packaging material and seal.
  10. Label and store in a cool and dry place.

* 5% maltodextrin (bulking agent and for color protection)
Basis: 1 kilo edible pulp, convert 5% to 0.05 -> 0.05 x 1 kilo =0.05 kilo or 50 grams

JACKFRUIT SYRUP

Procedure

  1. Weigh previously washed and sanitized jackfruit. Cut/slice.
  2. Separate yellow pulp from white pulp. Remove seeds.
  3. Weigh yellow pulp.
  4. Pack in previously sterilized jars.
  5. Prepare 50% syrup*, added with 0.1% citric acid*.
  6. Add hot syrup into jars containing the fruit.
  7. Remove bubbles formed by exhausting at 80-C for 10 minutes. Seal.
  8. Process jackfruit in jars in boiling water for 30 minutes.
  9. Cool at room temperature. Label and store.

* 60% syrup – Basis: 1 kilo of edible pulp = 600 grams sugar + 400 mL water
50% syrup – Basis: 1 kilo of edible pulp = 500 grams sugar + 500 mL water
0.1% citric acid
0.1% convert to 0.001 = 0.001 x 1 kilo = 0.001 kg or 1 gram

source: mis.dost.gov.ph

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