Value-Added Compounds from Food By-Products
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Consumers are now more informed and conscious regarding diet-related health problems hence demand the production of “natural” and “eco/green” label food products, which are expected to be safe and health-promoting. Bearing these facts in mind and knowing that FVB are sources of several high value-added compounds, these by-products may be used as natural food ingredients or as starting material for the preparation of innovative food ______.

products

In order to feed the estimated 9 billion people in 2050, FAO forecasts a 20% increase in food production, so in a near future, it is expected an increasing generation of fruit and vegetable ______.

by-products

Thus, there has been a social, political, and environmental pressure to improve profitability and valorization of ______.

Fruit and vegetable by-products

High value-added compounds in fruit and vegetable by-products Bioactive Compounds  Bioactive compounds can influence human health due to their biological properties (antioxidant, antimicrobial, anti-inflammatory, anticancer, etc). Generally, their content is lower in the plants’ edible organs than their respective ______.

<p>byproducts</p> Signup and view all the answers

FVB contains a complex mixture of bioactive compounds, thus physiological activity is typically due to a synergistic action of distinct ______.

<p>compounds</p> Signup and view all the answers

Annually one-third of the food produced worldwide for human consumption is lost or wasted, corresponding to approximately 1.3 billion tonnes of waste, representing a cost of around 990 billion dollars, comprising ______.

<p>food</p> Signup and view all the answers

In a near future, it is expected an increasing generation of fruit and vegetable by-______.

<p>products</p> Signup and view all the answers

On the other hand, the costs of drying, storage, shipment or disposal of by-products are economical and legal limiting ______.

<p>factors</p> Signup and view all the answers

Food by-products have limited commercial exploitation since they are difficult to manage due to their high water content (aw, 0.70–0.95); potential growth of pathogens mainly due to the high aw; rapid auto-oxidation when they have a high-fat content; and high enzymatic activity that accelerates ______.

<p>spoilage</p> Signup and view all the answers

The worldwide percentage of food by-products generated along the upstream processes of the supply ______.

<p>chain</p> Signup and view all the answers

Fruit and vegetable processing industry is one of the greatest producers of ______.

<p>by-products</p> Signup and view all the answers

This industry generates byproducts in the form of peels, kernels, pomace, unripe and/or damaged fruits and ______.

<p>vegetables</p> Signup and view all the answers

Bioactive molecules can play a role as an ______ in fruit dispersal.

<p>attractant</p> Signup and view all the answers

Essential bioactive compounds comprise mostly ______ and minerals.

<p>vitamins</p> Signup and view all the answers

Non-essential bioactive compounds encompass metabolites such as ______, carotenoids, phytosterols, saponins, essential oils, and phytic acids.

<p>phenolics</p> Signup and view all the answers

Antioxidants are defined as synthetic or natural compounds capable of inhibiting or delaying ______.

<p>oxidation</p> Signup and view all the answers

Transition metals, such as ______ and copper ions are catalytic metals with the ability to initiate oxidation of O2 and other biomolecules.

<p>iron</p> Signup and view all the answers

Phenolics and ______ are the most widely distributed bioactive compounds available in FVB.

<p>carotenoids</p> Signup and view all the answers

Both DF groups have also important functional properties as food additives, e.g. ______ binding, water-holding capacity, swelling capacity, increasing viscosity, and gel formation, that can be crucial when formulating certain food products.

<p>flavor</p> Signup and view all the answers

DF can interfere with the bioavailability of bioactive compounds since polyphenols and carotenoids are usually associated with non-______ polysaccharides.

<p>starch</p> Signup and view all the answers

During the upper ______ digestion of DF-rich foods, a minor portion of bioactive compounds pass to the blood system, whereas the remaining part reaches the colon and is fermented by the gut microbiota.

<p>intestine</p> Signup and view all the answers

A considerable number of FVB hold on their composition more than 50 g of DF per 100 g of extract ______.

<p>DW</p> Signup and view all the answers

General human bioabsorption of phenolic compounds contained in ______ or similar foods poor in fiber.

<p>beverages</p> Signup and view all the answers

Polyphenols bound to dietary fiber need to be ______ by enzymes in the upper area of the intestine; otherwise, these compounds will not be bioavailable for absorption in the human intestine.

<p>hydrolyzed</p> Signup and view all the answers

Butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) are ______ antioxidants.

<p>artificial</p> Signup and view all the answers

The demand for natural and cost-effective antioxidants such as those derived from ______ has been increasing.

<p>FVB</p> Signup and view all the answers

FVB proved to be efficient in delaying lipid and/ or protein ______ of meat, poultry, and fish.

<p>oxidation</p> Signup and view all the answers

Sensorial evaluations should be conducted alongside physicochemical and/or ______ assays.

<p>microbiological</p> Signup and view all the answers

High-fat content dairy foods, such as ______ and butter are highly susceptible to lipid oxidation.

<p>cheese</p> Signup and view all the answers

The addition of FVB can lead to either positive or ______ effects on the sensory parameters of the final product.

<p>undesirable</p> Signup and view all the answers

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