Nutrition & Food

·

Study

Discarded Oyster Mushroom Stems Pack More Fiber Than Caps

Discarded Oyster Mushroom Stems Pack More Fiber Than Caps

Oyster mushroom

What they found

Oyster mushroom stem waste had more fiber than fruiting bodies (15.4% vs 9.1%).

Oyster mushroom stem waste had more fiber than fruiting bodies (15.4% vs 9.1%).

The number

fiber (15.4% vs 9.1%)

How solid is it?

Lab dish

Lab dish

Lab – chemical analysis

Lab – chemical analysis

Evidence ladder: Lab dish → Animal → Early human → Strong human. Reviews summarize earlier research.

At a glance

Latin name

Pleurotus pulmonarius

Pleurotus pulmonarius

Published in

BIO Web of Conferences

BIO Web of Conferences

Covered in Shroom Scan

Section

GROWING GOURMET

GROWING GOURMET

As it ran in Shroom Scan

Sustainability Cycle

Sustainability Cycle

Oyster mushroom (Pleurotus pulmonarius) stem waste versus fruiting bodies research found the discarded stems contain significantly higher levels of key nutrients: carbohydrates (46.2% vs 38.1%), ash (8.2% vs 6.7%), and fiber (15.4% vs 9.1%). While fruiting bodies showed superior antioxidant activity, both parts demonstrated similar antimicrobial effects, with stem waste actually performing better against E. coli. Mushroom stem waste, which accounts for 5-20% of production volume, could be repurposed for nutritional and antimicrobial applications rather than discarded.

Oyster mushroom (Pleurotus pulmonarius) stem waste versus fruiting bodies research found the discarded stems contain significantly higher levels of key nutrients: carbohydrates (46.2% vs 38.1%), ash (8.2% vs 6.7%), and fiber (15.4% vs 9.1%). While fruiting bodies showed superior antioxidant activity, both parts demonstrated similar antimicrobial effects, with stem waste actually performing better against E. coli. Mushroom stem waste, which accounts for 5-20% of production volume, could be repurposed for nutritional and antimicrobial applications rather than discarded.

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