BODEGA CATENA ZAPATA
Winkler Index & Mendoza Microclimates
Altitude’s Effect on Climate •Average Temperature. •Sunlight Intensity
Temperature & Vine Physiology •Photosynthesis = Sugar production •Respiration = Energy consumption Photosynthesis – Respiration = Net Accumulation
Photosynthesis 100 80 60 40 Photosynthesis Respiration Net Accumulation 20 0 5 10 15 20 25 30 35 40 45 -20 -40
Total Anthocyanins in Malbec Light Intensity & Temperature 2400 2200 2000 1800 1600 1400 1200 1000 800 800 msnm 1100 msnm 1480 msnm
3500 3000 2500 2000 mg/L 1500 1000 500 0 850 m 1200 m 1500 m Altitude Monomeric Tannins Total Tannins
Evolution of Total Polyphenols during Malbec Maturation
Review of Temperature Effects on Malbec : Anthocyanins Tannins
Effect of sunlight intensity on Malbec •Increased altitude = Increased sunlight intensity. •Increased sunlight intensity = Increased photosynthesis. •Increased photosynthesis = Increased secondary metabolism. •Increased sunlight intensity = Increased synthesis of beta-ionnona (Malbec). •Increased sunlight intensity = Increased synthesis of phytoalexinas (resveratrol).
Physiological Effect of Sunlight Intensity on Malbec Increased thickness = Increased concentration of anthocyanins & polimerized taninns.
Review of the Effect of Sunlight Intensity: Anthocyanins Taninns Aromas Phytoalexines (Resveratrol)
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