Lyophilization is removing water granules from frozen material by sublimation under appropriate conditions.

Lyophilized food’s main properties are below;

• Its taste, color, shape and odor are well conserved.
• When product is re-hydrated, it gains its former shape and and tissue.
• With lyophilization method, food is not threatened with heat so, there is not nutritional lost It is more light.
• It is not necessery to kept in fridge.
• It has long shelf life.
• It is not necessary to use any other food additive as a conservative.
• Due to almost 90% water lost, transport cost decrease.
• In contrast to heat treatment, crease, constriction and extra layer does not occur during lyophilization. So, it can be easily re-hydrated.
• It can be applied almost all kinds of food.

Researches from Mount Sinai School of Medicine has found that childhood obesity may related to phthalates used in food packaging.

Phthalates are used not only in food packaging industry not also in toys, hair sprays, shampoos, nail polishs, soaps, lotions, lubricants, paint, pesticides and cosmetics. Earlier findings showed phthalates causes several adverse on on human health. Some of the are kidney, liver and testis diseases.

The new adverse effect of phthalate is obesity. Researhes said that high levels of the packaging chemicals found in the children’s urine may play a role in obesity by disrupting hormones that regulate growth and development.

These all problems should force authorities to ban phthalates usage in food packages or other material that can contaminate the chemical to human. Package industry should also nonhazardous chemical as an alternative.

Food poisoning is infection or intoxication due to consuming food or beverages. Food infectious is the poisoning that occur after consuming food which include harmful bacteria. Food intoxication is the poisoning that occur after consuming food which is contaminated by bacteria origin toxin.

Food poisoning is common disease, especially in summer months. Although, generally, it has mild effect, sometimes it can be fatal.

Some people are more sensitive to food poisoning. These are; infants, old and people who have weak immune system.

What Are The Symptoms Of Food Poisoning?

Generally food poisonings symptoms start abruptly and arise 30 min. To 72 hours after consuming contaminated food.

Together with  diarrhea, nauseation, cramps, fewer also arise as a symptom. The heaviness of he symptoms chance according to;

• The species of the bacteria or toxin.
• The ratio of food contamination.
• The consumed food amount.
• Sensitivity of person to the bacteria.