Method for preparing mealworm fecal extract, and use thereof

The high-temperature extraction of mealworm feces with water or potassium hydroxide produces a fertilizer composition that enhances plant growth and biomass without damage, addressing the limitations of existing methods by incorporating humic acid-like substances and meeting organic standards.

WO2026146985A1PCT designated stage Publication Date: 2026-07-09MCE INC

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
MCE INC
Filing Date
2025-12-15
Publication Date
2026-07-09

AI Technical Summary

Technical Problem

Existing methods for preparing mealworm feces extract and its use in plant growth promotion do not address the issue of fertilizer damage while effectively increasing plant biomass and growth.

Method used

A method involving mixing mealworm feces with water or a 0.5 N potassium hydroxide solution and extracting the mixture at high temperatures to produce a mealworm feces extract that contains humic acid-like substances, which is then used as an active ingredient in fertilizer compositions to enhance plant growth and biomass without causing damage.

Benefits of technology

The mealworm feces extract increases plant growth and biomass without fertilizer damage, replacing humic acid and meeting organic agricultural standards, with no detected harmful heavy metals, and demonstrating enhanced fresh weight and germination rates.

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    Figure KR2025021644_09072026_PF_FP_ABST
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Abstract

The present invention relates to a method for preparing a mealworm fecal extract, and use thereof. The mealworm fecal extract of the present invention exhibits no fertilizer damage to plants and has an effect of increasing plant growth and biomass, and thus can be effectively used as an active ingredient of a composition for increasing plant growth and biomass, a fertilizer composition, a soil conditioner, or the like. In addition, the mealworm feces extract of the present invention contains humic acid-like substances, and thus is expected to be capable of being a replacement in the conventional humic acid market.
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