Background
Lychee Guardians
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Person catching lychee
Lychee falling
Lychee
is a highly valued tropical fruit native to the southern part of China, renowned for its excellent taste and significant economic and cultural importance.

Lychee's Importance Hover to see more details

Economic Importance

Economic Impact

Lychee is a multi-billion dollar industry.

For example, in 2023, a primary lychee-producing city in China saw the total value of its lychee industry chain exceed

11 billion RMB

Economic
Cultural Importance

Cultural Significance

As a characteristic fruit of the south China, lychee has been a

cultural symbol

for centuries, deeply embedded in local poetry, historical narratives, and traditional arts.

Cultural

The Problem: Rapid Spoilage

Fresh lychee fruit showing rapid decay

However, lychee has an extremely high post-harvest decay rate, which severely limits public access to genuinely fresh fruit.

Lychee being sold at market

This results in rapid spoilage for distributors, meaning consumers still struggle to purchase fresh lychee.

Widespread Spoilage Leads to

Loss Causes
Production/Harvest (40%)
Transport/Storage (45%)
Wholesale/Retail (15%)

Distribution of Post-Harvest Loss Causes

Massive Food Waste

Post-harvest losses reach 30-40% across the supply chain, with transport and storage being critical stages.

[1] ScienceDirect (2015)

Global Fruit$100BChina Agri$21BLychee (Bumper)$1.4BLychee (Normal)$0.7B0.1110100

Post-Harvest Economic Losses (Logarithmic Scale)

Significant Economic Loss

Annual lychee losses in China reach $0.7-1.4 billion, part of the global $100 billion fruit waste crisis.

[2] McKinsey (2021)

In a single year,
between 18% and 30%
of China's total lychee harvest was damaged during the post-harvest circulation process, leading to an estimated annual loss of approximately 550 million USD.

Source: China Lychee Industry Data Analysis Report 2023, Yunguo Industry Report

Our Solutions

To tackle the challenge of high post-harvest decay and shelf-life loss, we engineered a novel, two-pronged biological preservation system using synthetic biology.

Our system uses a biopreservative spray containing two engineered microbial strains: one producing melatonin and one producing a wax membrane. When applied to the lychee during the shelf-life period, this spray creates an integrated protective layer to significantly extend freshness.