Pre-Grant Publication Number: 20110092432
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Prior Art (4)
Title
Description
Naticol (TM) 1000 and 4000, including similar ingredients
Title
Description
A product list that includes similar product, published on Jan., 2008
Title Wellness Foods Europe Hydrolyzed collagen
Description
If we look at the molecular weight of hydrolyzed collagens used in food products from the market, we will find a relatively wide spectrum ranging from 2000 to 20000 Daltons.
However, extreme molecular weights are quite unusual and most of the hydrolyzed collagens show an average molecular weight between 3000 and 7000 Daltons.
Patent/Application # 1903918
Description
Using Java tilapia skin as raw material, cutting said Java tilapia skin, adding n-hexane, defatting, using NaOH solution to remove heteroprotein, using acetic acid solution to extract collagen protein, concentrating and freeze-drying so as to obtain collagen. The method for preparing collagen protein by using extracted collagen includes the following steps: adding water to dissolve the collagen, then utilizing proteinase to make zymolysis, concentrating and spray-drying so as to obtain hydrolytic collagen protein.
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