Creating NADPH is the job of the PSI complex. While one photosystem (PSII) is busy ripping apart water molecules and using them to create ATP, the other photosystem (PSI) is absorbing light and ejecting electrons that are eventually used to create NADPH.
इसे एनएडीपीएच (अंग्रेज़ी में निकोटीनामाइड एडॆनाइन डाइन्यूक्लोटाइड फ़ास्फ़ेट का छोटा रूप) कहा जाता है ।