abt le2 Flashcards
- material consisting (a) used in the body of an organism to sustain growth, repair, and vital processes and to furnish energy; also : such food together with supplementary substances (as minerals, vitamins, and condiments)
- viewed as a (b) to meet daily requirements at a minimum in order to survive
food
a. essentially of protein, carbohydrate, and fat
b. source of nutrition
Unequal food distribution
* Developed countries – ___
* Developing countries – ___;
require a (a), and the (b) have a part to play
overconsumption
undernourishment
a. modified food supply
b. tools of biotechnology
- (a) - refer to the foods that is developed to (b)
- may be (c) to enhance a food’s nutritional value and therefore its health benefits.
a. Designer foods
b. have some health benefits other than its traditional nutritional value
c. genetically engineered or specially manufactured
Synomyms
- any food that has a (a) on an individual’s (b) in addition to its (c)
- Functional foods
- Pharmafoods
- Fortified foods
- Nutraceuticals
a. positive impact
b. health, physical appearance or state of mind
c. nutritive values
Examples:
Designer Eggs
* (a) developed designer egg rich in (b) by feeding hen with (c) and patented as (d)
* Fortification of omega-3 fatty acid
-increases the (e) of designer egg
-reduces the (f) of the egg by replacing (g)
a. Sim and Sunwoo (2002)
b. omega-3 fatty acids and antioxidants
c. flax seed
d. Professor Sim’s Designer Egg
e. health benefits
f. cholesterol content
g. saturated fatty acid in egg yolk
Saturated vs. Unsaturated Fatty Acids
Saturated fatty acids have hydrocarbon chains connected by single bonds only. Unsaturated fatty acids have one or more double bonds
unsaturated fats bends
Examples
- Probiotics —are live microorganisms such as (a), which provide various (b); commercially available as (c).
- Designer probiotics’—strains are specifically tailored:
- to target certain (d) (Sleator and Hill 2008)
- for controlling (e) (Elson 2006; Sleator 2010)
- which (f) (Paton et al. 2006)
a. Lactobacilli sp., Bifidobacteria sp. and Streptococcus thermophilus
b. health benefits upon ingestion
c. spores or in lyophilized forms or in the form of probiotic fortified fermented dairy products
d. pathogens and/or toxins in vivo
e. human immunodeficiency virus (HIV) as novel mucosal vaccine delivery vehicles
f. interacts ligand-receptor binding of toxins released by microbial pathogens causing enteric infections
Examples
Designer broccoli
* contain (a), a nutrient believed to help (b).
* Sold as (c); Britain- Oct. 2011.
a. two to three times the normal amount of glucoraphanin
b. ward off heart disease
c. Beneforte in select stores in California and Texas in 2010
Examples
Designer Vegetable Protein
Mungbean
* Protein content – _____
* _____ of resource poor families
* _____
* Strategy: _____
- 17 to 26%
- Protein source
- Low nutritional quality due limiting amino acids: methionine and cysteine
- increase the number of methionine and cysteine by protein engineering
Examples
is the process by which the nutritional
quality of food crops is improved through
conventional plant breeding and/or use of
biotechnology.
give examples
Biofortification
- Iron Biofortified Transgenic Rice
- BioCassava Plus (BC+)
- Orange Sweet Potato
Examples
Golden Rice
In 2005, dramatical increase in
the amount of (a), making the rice a
(b) color; (c)
Golden Rice - a (d) way to help those affected by (e) in the Philippines
a. carotenoid synthesized
b. deep golden
c. 37 mg/g of carotenoid, of which 84% is β
carotene (~31 mg)
d. sustainable and cost-effective
e. vitamin A deficiency
Examples
- (a), a biotech snack by (b) in Camden, N.J.
- (c)
- consistent in (d),
- can be gathered at the same length by a
(e) - be cut into (f).
- Do not vary in in (g)—necessary features of mass-marketed snack foods.
a. VegiSnax
b. DNA Plant Technology
c. tissue culture techniques that speed up the
plant selection process–has developed for
carrots and celery
d. size, weight and shape
e. harvesting machine
f. identical pieces for packaging
g. texture, taste or size
Some designer foods and their health benefits
first
Micro/Macro nutrient -
Omega 3 fatty acid
Designer foods -
Omega 3 fatty acid enriched egg, oil and milk
Health benefits -
Management of Cardiovascular disease, hypertension, autoimmune, allergic, neurological disorders, maternal health, and rheumatoid arthritis
Some designer foods and their health benefits
second
Micro/Macro nutrient -
Conjugated linoleic acid (CLA)
Designer foods -
CLA enriched egg and milk
Health benefits -
Antiadipogenic, anti-carcinogenic, anti atherogenic and anti-inflammatory
Some designer foods and their health benefits
third
Micro/Macro nutrient - Selenium (Se)
Designer foods - Se enriched egg,
broccoli and milk
Health benefits -
Prevents cardiac muscle degeneration, muscular dystrophy, reduce the risk and prevalence of prostate and colon cancer and antioxidant activity
Some designer foods and their health benefits
fourth
Micro/Macro nutrient -
Glucoraphanin
Designer foods -
Glucoraphanin enriched broccoli sprouts
Health benefits - Reduce the risk of cancer
Some designer foods and their health benefits
fifth
Micro/Macro nutrient - Probiotics
Designer foods - Probiotic yoghurt
Health benefits -
Produces pro-inflammatory cytokines eliminates enterotoxigenic Bacteroides fragilis, Helicobacter pylori, prevents gastrointestinal and lower respiratory tract infections, improves defecation frequency and abdominal pain due to constipation in pediatric patients improves antioxidant status in type 2 diabetic patients
Some designer foods and their health benefits
sixth
Micro/Macro nutrient -
Docosahexaenoic acid (DHA)
Designer foods - DHA enriched milk
Health benefits -
Reduces the level of blood lipids, improves
composition of red blood cell membranes
and intelligence in infants when consumed
by pregnant and lactating
Some designer foods and their health benefits
seventh
Micro/Macro nutrient - Vitamins
Designer foods - Golden rice
Health benefits -
Management of vitamin deficiencies
Biotechnology in Food Production
1. Speeding up the development of (a).
2. Producing (b).
3. Developing (c) such as soybeans.
4. Producing (d).
5. Developing (e) or result in a more marketable or nutritious
product.
6. Developing (f) for human food.
a. new strains of fruits and vegetables–strains that can ward off disease, obtain nutrients more easily, or resist frost
b. “meatier” breeds of livestock
c. inexpensive animal feed substitutes that lessen farmers’ dependence on crops
d. food additives more cheaply
e. processing techniques that permit faster production of conventional foods
f. new sources of protein
These are the modern generations or waves of biotech processes or products. Most of the current products belong to the first wave. Biofuels are in the fourth wave!
first wave: agronomic traits: biotic or abiotic stress yield
second wave: quality traits: improved nutrition, functional properties
third wave: factories: industrials, pharmaceuticals
fourth wave:
- renewable resources - biofuels from cellulosic materials
- recombinant health products produced by microorganisms
Biofuels
* are alternative fuels that are (a).
* Produced from (b).
*Recurring sources like (c).
*“bio” in “biofuels.”
a. not composed substantially of petroleum or imported crude oil
b. feedstock and other biomass or organic sources that are renewable such as trees, crops and plant fiber
c. poultry litter, animal wastes, industrial wastes and the biodegradable component of solid waste
Why is there a need for biofuels? (3)
- High cost and imminent depletion of petroleum-based fuel
- Energy self-sufficiency
- Search for clean, renewable and affordable energy sources
- Biofuels include (a) produced from (b) and are primarily used for (c), in accordance with the (d).
- Produced from (e).
a. bioethanol, biodiesel and other fuels
b. biomass
c. motive, thermal and power generations
d. Philippine National Standards (PNS)
e. at least 81% live organism
Categories (3)
- First-generation biofuels ̶ largely from edible sugars and starches.
- Second-generation biofuels ̶ non-edible plant materials.
- Third-generation biofuels ̶ algae and other microbes.
Biofuels
First generation from (a)
* bioethanol (b)
* biodiesel (c)
a. sugarcane, starchy crops such as maize, cassava, sugarcane, and nipa
b. sucrose -> glucose -> ethanol
starch -> glucose -> ethanol
c. from soybean oil, coconut oil, palm oil
- (a) is a light alcohol produced by fermenting (b).
- It is currently being used in Brazil, United States, China, India and Thailand.
- (c) produced (d) gallons of bioethanol from sugarcane in 2019: (e) produced (f) gallons of bioethanol mostly from maize in 2019.
a. Bioethanol
b. carbohydrates, such as starch or sugar in vegetable matter
c. carbohydrates, such as starch or sugar in vegetable matter
d. 8.57 B
e. USA
f. 15.78 B
- (a) is a renewable and biodegradable fuel extracted from (b).
- Sources: (c).
- undergo a (d) to
make them suitable fuels for transport.
a. Biodiesel
b. plant oils
c. palm, jatropha, soy, rapeseed
and coconut
d. chemical process for
conversion into Fatty Acid Methyl Ester
Second generation
* (a- what is it)
* Biomass consists of (b)
* Microorganisms (c) have been engineered to (d)
* US Dept of Energy poured $2 billion in 2007 to build (e)
a. cellulosic ethanol from agricultural and forest wastes, grasses, etc.
b. cellulose, hemicellulose and lignin
c. (E. coli, yeast, Zymomonas)
d. convert five-carbon sugars like xylose and others to ethanol and are tolerant to alcohol
e. 6 cellulosic ethanol plants
- Third generation – (a)
- (b. who and what did they invent)
a. biofuel from algae “oilgae”
b. CEAT, UPLB – Prof Rex Demafelis developed photobioreactor for algal culture
- a facility to undertake the (a) was established in the existing (b) in Bgy. Tagpako, Gingoog City, Misamis Oriental.
- main objective is to (c).
- Initial results from the (d) showed very encouraging data.
- The process and engineering design for a (e) each are now in operation
a. productivity of local microalgae strains
b. R&D facility of Secura International Corp.
c. determine the productivity rate of local microalgae strains
d. pilot plant size of 4 cubic meters photobioreactors
e. small scale commercial production, 32 ponds of 16 cubic meters
UPLB Biofuel Research (4)
- bio-ethanol from sugarcane and sweet sorghum,
- biodiesel from coconut and other food crops,
- biofuels from non-food energy crops jatropha * cellulosic ethanol