2 methods made grape juice which are at home and at the company

1. Grape juice production process
2

2. INGREDIENTS

3. Small scale juice making

4. 1. Raw
materials
2. Selective 3. Wash
4. Mix and
Grind
5. Filter 6. Grape juice
product

5. 1.Raw materials
2.Washing
Soak in brine water and
rewash with running water
3.Grinding
Add water and grind
4.Filter
5.Product
Add stevia powder and
use

6. ⬢ Full ripe, strong color and no disease
or pests
⬢ Destem and remove overripe or
rotten grapes
1. Fresh Grapes 2. Selective

7. 3. Wash
⬢ Soak continue in the brine solution
for 10 - 15 minutes
⬢ Rinse under running water 3-4 times
4. Extracting juice
⬢ Add them to a juicer or blender and
begin juicing

8. 5. Mixing
⬢ Add stevia solution or less salt
6. Grape juice product
⬢ Serve grape juice immediately before
it begins to oxidize

9. Commercial scale juice
marnufacturing

10. 1. Fresh
grapes
2. Selective
3. Wash
4. Crush
5. Heating
(T=60-63oC)
6. Enzyme
treatment
7. Filtering
8. Press 9. Mix
10. Remove
residue
11. Heating
T=80-85oC
& t=2 min
12. Refined
13.Pasteuriz
ation
14. Pouring
15. Grape
juice
products

11. 1. Fresh Grapes 2. Selective
⬢ Remove damaged materials
⬢ Transported on rubber conveyor
belts, workers standing on both sides
to manipulate
Be stored at:
⬢ T: -1 to 0.5oC
⬢ O2: 2 to 5%
⬢ CO2: 1 to 3%

12. 3. Wash
⬢ Remove impurities of dirt and
pesticides remaining.
⬢ Reduce microorganisms.
4. Crush
⬢ To increase pressing efficiency
Air blower
washer
Shaft Crusher

13. 5&6. Heating And Enzyme treatment
Enzymes: PECTINASE
Aim: breaks down Protopectin (the substance that binds the cells
in the flesh) causing the cells to separate and the tissue to become
loose

14. Mix with other
additives such as
stevia syrup
(sweetener)
Separate the
liquid from
the material.
Remove grape
seeds, improve
pressing
efficiency
Making the grape
juice clearer and
easier for the
refining process.

15. 11. Second Heating
⬢ The juice is heated very quickly at
80 – 85 Celsius degree (for 2
minutes) in a plate heat exchanger.
⬢ Then cool rapidly down to 2.2
Celsius degree.
12. Refined
⬢ Purpose to do in juice

16. 13. Pasteurization
⬢ Kill microorganisms, inactivate
enzymes, prolong storage time.
⬢ Pasteurization temperature: 135oC,
time: 5 seconds
14. Pouring
⬢ Put into cans, then cooled under
sterile conditions and sealed in pre-
sterilized cans
Extraction Line of Filting Fruits Into Glass Bottles

17. 15. Product