PSS 1311 exam 1 questions & answers 2024/2025
Definition(s) of wine - ANSWERS1. alcoholic beverage made from fermented grapes
2. beverage containing a lot of alcohol (ethanol)
3. fermented beverage-chemical breakdown of a substance by microorganisms, typically involving effervescence and giv...
Definition(s) of wine - ANSWERS1. alcoholic beverage made from fermented grapes
2. beverage containing a lot of alcohol (ethanol)
3. fermented beverage-chemical breakdown of a substance by microorganisms, typically involving
effervescence and giving off of heat
4. Ancestral definition- grapes from vines. that's where ""wine" derives from
Compounds found in wine - ANSWERSMainly water, sugar, ethanol
Principles of Feremintation - ANSWERSGlucose turned into a mixture of ethanol and CO2 by a YEAST
(<<most important in fermentation)
What is the main compound in wine making? - ANSWERSSugar
Organic Acids and its importance in wine - ANSWERS-Provides pH and flavor/taste
Tartaric Acid-most abundant, strongest
Malic Acid- apple acid, converted in lactic acid
Wine as biblical - ANSWERS-sign of sacrifice
-association with blood
Wine as Health - ANSWERS1500 BC
-sterile for wounds
-prescription/anti inflammatory
When and Where was wine created? - ANSWERS-around 5000 BC
, -Iran (Zagros Mt)
Biological Markers of wine - ANSWERS-Syringic Acid
-Tartaric Acid
-Pine resin
Wine evolution and fall of wine in the Roman Empire - ANSWERSbefore
-storage still in amphora and made roughly
-became a connoisseur product
after
-power of religion increased, so the wine consumption and production did as well
- new vineyards built (Burgundy) -use of wood for storage
What was discovered between 15th-18th centuries - ANSWERS-distillation process
-fortified winemakig
-sparkling winemaking (glass bottle)
-wine drinking universalized
What did Pasteur contribute to wine? - ANSWERS-fermentation was due to living organisms
-discovered how to stop bacterial contamination
Crisis in wine making - ANSWERS-Phylloxera-World Wars- Depression-Frauds
-20th century allowed for grafting, rationalized planting and a selection of the best grape varieties
Grapevine - ANSWERSknow the different parts of the grapevine
Psychological function of the grapevine - ANSWERSPhotosynthesis
Translocation
Respiration
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bensuda. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.