Journal of Food Bioactives, ISSN 2637-8752 print, 2637-8779 online
Journal website www.isnff-jfb.com

Review

Volume 2, Number , June 2018, pages 51-57


Rosemary extract as a natural source of bioactive compounds

Figures

Figure 1.
Figure 1.

Phenolic diterpenes identified as principal antioxidative components of rosemary extract (Rosmarinus officinalis, L.).

Figure 2.
Figure 2.

Oxidation cascade reactions of carnosic acid.

Figure 3.
Figure 3.

Peroxide values of soybean oil treated with antioxidants during storage at 40 °C.

Tables

Table 1. Main features and benefits of commercially available rosemary extracts
 
Natural alternative to synthetic antioxidants
Clean label option
Ease of handling, distribution and application
Standardized antioxidant activity
Low odor and flavor intensity
Relative heat stability
Availability of optimized tailored solutions
Shelf-life extension in food
Reduce formation of rancid flavors and off-odors in food
Promotes longer food product freshness by protecting flavor, aroma, and/or color
Minimize food product loss
Increase consumer satisfaction
Widespread application prospects in food
Protection of brand image

 

Table 2. Applications of rosemary extract in food
 
Vegetable oils, animal fats, marine oils, and frying oils
Salad dressings, and mayonnaise
Margarines, and fat spreads
Potato products
Fresh meat, poultry, and seafood products
Cooked meats, poultry, and seafood products
Cereals, bakery products, and confections
Snack foods, and nuts
Pet food, animal protein meals, and animal feed
Beverages

 

Table 3. Antioxidant activity of rosemary extract in selected oils and fats
 
SampleOil Stability Index (hours)Protection Factor (PF)Shelf-Life Extension (%)
Soybean Oil with no Additives5.2
Rosemary Extract 1 (2,000 ppm)7.91.553.9
Rosemary Extract 2 (2,000 ppm)9.21.879.1
Sunflower Oil with no Additives6.3
Rosemary Extract 1 (2,000 ppm)8.21.330.0
Rosemary Extract 2 (2,000 ppm)9.31.548.0
Chicken Fat with no Additives5
Rosemary Extract 1 (2,000 ppm)16.13.2222.5
Rosemary Extract 2 (2,000 ppm)18.53.7269.0