Ice Cream Flavors
Vanilla
Vanilla is
without exception the most popular flavor for Ice Cream in North America. The
dairy industry uses half of the total imported vanilla to North America. It is
a very important ice cream ingredient, not only in vanilla ice cream, but in
many other flavors where it is used as a flavor enhancer, e.g. chocolate much
improved by presence of vanilla.
Vanilla
comes from a plant belonging to the orchid family called Vanilla plan folia.
There are several varieties of vanilla beans among which are Bourbon, Tahitian,
and Mexican. Bourbon beans are used to produce best vanilla extracts. Bourbons
from Madagescar are the finest and account for over 60% of World production,
Indonesia, 23% (UN FAO 2005).
From each
blossom of the vine that is successfully fertilized comes a pod which reaches
6-10 inches in length, picked at 6-9 months. It requires 26-29oC day and night
throughout the season, and frequent rains with dry season near end for
development of flavour.http://www.foodsci.uoguelph.ca/dairyedu/icflavours.html
Fruit Ice Cream
Fruit for Ice Cream is
available in the following forms:
- Fresh Fruit
- Raw Frozen Fruit
- Open Kettle Processed Fruit
- Aseptically Processed Fruit
Advantages of processed
fruits:
- Purchasing year round supply: problems of procurement and storage transferred to fruit processor
- Availability: blending of sources from around the world in RTU form, no thawing, straining, etc.
- Quality control: processor adjusts for quality variations
- Ice Cream quality: fruit won't freeze in ice cream, usually free of debris, straw, pits.
- Microbial Safety
- Convenience
Nuts in Ice Cream
Nuts are
usually added at about 10% by wt. Commonly used are walnuts, pecans, filberts,
almonds and pistachios. Brazil nuts and cashews have been tried without much
success.
Quality Control of Nutmeats for Ice Cream
- Extraneous and Foreign Material:
Requires
extensive cleaning, Colour Sorter, Destoner, X-rays, Aerator, Hand-Picking,
Screening
- Microbiological Testing:
Aflatoxin
contamination can be a hazard with Peanuts, Pistachios, Brazils. All nutmeats
should receive random testing for: Standard Plate Count, Coliform, E. Coli,
Yeast and Mold, Salmonella.
- Bacteria Control:
- Sizing:
Some
nutmeats require chopping to achieve a uniform size in order to fit through the
fruit feeder, i.e.: Pecans, Almonds, Peanuts, Filberts
Storage
Nutmeats should be stored at 34-38° F to maintain freshness and reduce problems
with rancidity.
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