- Aid the function of the immune system.
- Protect cells and DNA from damage that may lead to cancer.
- Reduce inflammation.
- Slow the growth rate of some cancer cells.
- Help regulate hormones.
Which of the following is a function of phytochemicals?
Phytochemicals (from Greek phyto, meaning “plant”) are chemicals produced by plants through primary or secondary metabolism. They generally have biological activity in the plant host and play a role in
plant growth or defense against competitors, pathogens, or predators
.
What are 5 phytochemicals?
Phytochemicals include compounds such as
salicylates, phytosterols, saponins, glucosinolates, polyphenols, protease inhibitors, monoterpenes, phytoestrogens, sulphides, terpenes, lectins
, and many more. The Phytochemical Family Tree (see below) shows the major groups of phytochemicals found in foods.
How do phytochemicals influence our health quizlet?
How do phytochemicals influence our health?
Phytoestrogen stimulates the growth of estrogen-stimulated breast cancer cells
. Isoflavones are associated with a reduced risk of age-related eye diseases. Flavonoids have antioxidant properties.
What are phytochemicals in nutrition?
Phytochemicals are
compounds that are produced by plants
(“phyto” means “plant”). They are found in fruits, vegetables, grains, beans, and other plants. Some of these phytochemicals are believed to protect cells from damage that could lead to cancer.
What are health benefits of antioxidants?
A diet high in antioxidants may
reduce the risk of many diseases
(including heart disease and certain cancers). Antioxidants scavenge free radicals from the body cells and prevent or reduce the damage caused by oxidation. The protective effect of antioxidants continues to be studied around the world.
Why are phytochemicals not a nutrient?
They don’t provide your body with energy or make up your body’s structure
, so they can’t be called nutrients. You can think of them as simply being ‘along for the ride,’ but that would understate their potential. Although the body does not need them to survive, phytochemicals can have health effects.
What are phytochemicals name an example and explain the benefit?
Some phytochemicals have biological activity in the body. An example is
capsaicin which modulates blood clotting, possibly reducing the risk of fatal clots in heart and artery disease can be found in hot peppers.
Which of the following are good sources for phytochemicals?
- Broccoli.
- Berries.
- Soynuts.
- Pears.
- Turnips.
- Celery.
- Carrots.
- Spinach.
What are phytochemicals examples?
Phytochemicals are a wide variety of nonnutritive chemical compounds found in plant foods, which may have health effects. A few examples of well-known phytochemicals are the
flavonoids, phenolic acids, isoflavones, curcumin, isothiocyanates, and carotenoids
.
What are the main phytochemicals?
Generally, phytochemicals have been classified into six major categories based on their chemical structures and characteristics. These categories include
carbohydrate, lipids, phenolics, terpenoids and alkaloids, and other nitrogen-containing compounds
(Figure 1; Harborne and Baxter, 1993; Campos-Vega and Oomah, 2013).
How do you classify phytochemicals?
Phytochemicals are classified in to different groups including
cannabinoids, flavonoids, polyenes, carotenoids, terpenes, cynogenics, alkaloids and biamines
. Flavonoids are subdivided in to flavones, flavonols, flavanones, anthocyanidins, flavonols and Isoflavones.
What are phytochemicals in nutrition quizlet?
Phytochemicals: What are they?
Bioactive plant compounds found in fruits, vegetables, grains and other plant foods
. What is an antioxidant? Some phytochemicals are antioxidants and have the ability to sequester reactive oxygen species or free radicals.
What is the best way to get phytochemicals in the diet quizlet?
Consume at least three to five servings of fruits and vegetables and three servings of whole grains per day
. What is the largest and most varied group of phytochemical compounds found in food? If the diet provides few phytochemical-rich foods, phytochemical supplements are recommended.
Which of the following is the best and safest source of phytochemicals?
The safest source of phytochemicals are the
plants in their natural form like fruits and vegetables
.
How are phytochemicals different from nutrients?
Phytochemicals can be defined, in the strictest sense, as chemicals produced by plants. However, the term is generally used to describe
chemicals from plants that may affect health, but are not essential nutrients
.
What are phytochemicals and antioxidant?
Phytochemicals are naturally occurring compounds in plant foods such as fruits, vegetables, whole grains, beans, nuts and seeds
. In laboratory studies, many phytochemicals act as antioxidants, neutralizing free radicals and removing their power to create damage.
How are phytochemicals different from vitamins and minerals?
Phytonutrients aren’t essential for keeping you alive, unlike the vitamins and minerals that plant foods contain
. But when you eat or drink phytonutrients, they may help prevent disease and keep your body working properly. More than 25,000 phytonutrients are found in plant foods.
What are the three types of antioxidants?
Antioxidants can be divided into three groups by their mechanism: (1) primary antioxidants, which function essentially as free radical terminators (scavengers); (2) secondary antioxidants, which are important preventive antioxidants that function by retarding chain initiation; and (3) tertiary antioxidants, which are …
What is the benefit of antioxidants quizlet?
A compound that has the ability to prevent or repair the damage caused by oxidation. Antioxidants work by
stabilizing Free Radicals or opposing oxidation
.
What is an antioxidant supplement?
Antioxidant supplements
contain concentrated forms of antioxidants, which are substances that stabilize free radicals
. Your body naturally produces free radicals when you exercise and digest food.
Which one is non-nutritive component of diet?
Fibre or Roughage
: Fibre or roughage has no nutrient value. Hence, it is included in the non-nutritive components of diet. It is the undigested part of the food or it can be said that it cannot be digested by the human intestinal tract.
What are not nutrients?
Minerals. Minerals are the exogenous chemical elements indispensable for life. Although the four elements:
carbon, hydrogen, oxygen, and nitrogen
, are essential for life, they are so plentiful in food and drink that these are not considered nutrients and there are no recommended intakes for these as minerals.
What are non examples of nutrition?
Non-nutritive substances contain zero or very little calories and other nutrients. They provide no vitamins or minerals. When discussing non-nutritive substances,
non-caloric or artificial sweeteners
often come to mind.
