Scientists find rare compounds in discarded cannabis leaves
Researchers at Stellenbosch University discovered previously unknown chemical compounds in cannabis leaves grown commercially in South Africa on September 25, 2026.
New chemicals found in waste
Analytical chemists identified rare flavoalkaloids within the plant material for the first time. They also reported dozens of other phenolic compounds that had never been documented before. These substances are part of a broader family of chemicals plants use for defense.
Leaves hold more value than thought
The study suggests discarded leaves contain a rich collection of potentially useful chemicals. Previously, this plant material was treated as low value waste during commercial cultivation. The findings indicate that the chemical profile of the leaves is much richer than recognized.
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