Tomato In-Transit Shrinkage: Weight Loss vs Physical Damage

By the Bulky Business Agronomy & Quality Desk · Vegetable Intelligence

Tomato shrinkage is the gap between the weight and saleable quality of a lot at loading and what is left at the receiving dock. Disputes over it are common in Indian produce trade. Most of these disputes come from treating two different losses as one. Weight loss is water lost by healthy fruit. Physical damage covers fruit that arrives crushed, split, bruised, over-ripe or rotten, so it is a loss of saleable quality. They have different causes and different remedies, so a claim should separate them. We also supply wholesale apples from Himachal and Kashmir.

Weight loss versus physical damage

Loss type	Main causes	How it shows at arrival	Main controls
Moisture (weight) loss	Transpiration driven by heat and low RH; respiration	Lower net weight; in severe cases shrivelling at the stem end and loss of gloss	Pre-cooling, shade at loading, appropriate temperature and RH, shorter dwell times
Compression and impact	Overfilled or deep packs, stacking crush, rough handling, poor roads	Flattened or bruised fruit, cracks, leaking juice at the bottom of the pack	Pack depth, rigid crates, correct stacking height, load restraint
Over-ripening	Dispatch at too advanced a stage, heat build-up in the load	Soft, deep-red fruit at a point where buyer expected pink or light red	Correct maturity for the route, temperature control, ventilation
Decay	Wounds, wet fruit, warm and humid loads	Soft rots, sour rot, mould spreading in the pack	Field sorting, dry packing, not mixing damaged fruit in

Tomato fruit has a waxy cuticle, and much of its water is lost through the stem scar. Weight loss per day is therefore modest when the cold chain holds. It rises sharply in open trucks in summer heat. In most Indian disputes the larger loss by value is physical damage, not evaporation.

Maturity stage at dispatch

The most important decision is picking stage, matched to how far the fruit is travelling. Trade usually describes it with the familiar colour stages: mature green, breaker, turning, pink, light red and red.

• Long hauls of two to four days, such as Kolar or Madanapalle to Delhi NCR or Kolkata: mature green to breaker or early turning. The fruit is firm enough to survive the journey and colours in transit or at the destination.
• Medium hauls of one to two days: turning to pink, depending on temperature.
• Local or overnight supply: pink to light red, sold quickly.

Fruit picked too green does not develop full flavour or colour. Fruit picked too ripe for the route arrives soft, and those soft fruit are the first to be crushed under the layers above. Mixed-maturity packs are a separate problem, because ripening fruit produce ethylene that speeds up the rest of the pack.

Crates versus cartons

Much of the long-haul tomato trade from southern India still moves in wooden boxes or plastic crates of roughly 15–25 kg. CFB cartons are used more for organised retail, polyhouse hybrids and export.

• Plastic crates are rigid and ventilated, can be stacked without loading the fruit underneath, and can be reused. Their drawbacks are return logistics and hygiene: crates must be cleaned, and rough inner edges damage fruit.
• CFB cartons allow shallow packs of one or two layers, a printed grade and traceability, and are well suited to forced-air cooling if they are vented. They lose strength at high RH, so board grade and vent design matter.
• Pack depth matters more than the material. Deep packs concentrate compression damage in the bottom layers.

Temperature and humidity

Tomato is chilling-sensitive. Mature-green fruit should be held at about 12–13 °C, and never below about 10 °C for any length of time. Chilling injury shows after transfer to warmer conditions as uneven ripening, pitting, water-soaked areas and higher decay, so damage done in a cold reefer may only show at the retailer. Partly ripe and ripe fruit tolerate somewhat lower temperatures for short periods, roughly 8–10 °C, but holding them colder brings risks of its own. Relative humidity of around 85–95% limits moisture loss. Avoid condensation, which promotes decay.

Field heat is the main enemy in open-truck movement. Fruit loaded at midday in summer starts the trip warm, and respiration roughly doubles to triples with every 10 °C rise. Where forced-air pre-cooling is available, using it before reefer loading reduces both weight loss and ripening during the journey. In open trucks, early-morning harvest, shaded aggregation and night loading are the practical alternatives.

Polyhouse hybrids

Polyhouse and net-house tomatoes, usually indeterminate hybrids, sell at a premium on uniformity, colour and shelf life. They are often packed in cartons and graded more tightly, so buyers’ tolerances for blemish and size are narrower and claims more often concern appearance than weight. Firmness and shelf life vary considerably between hybrids. Ask the grower which hybrid it is and what its handling record shows. Do not assume every polyhouse lot travels better than open-field fruit.

Routes and transit times

Origin belt	Common destinations	Indicative transit	Dispatch note
Kolar (Karnataka)	Delhi NCR, Kolkata, Hyderabad, Chennai	Overnight to three days or more	Earlier maturity for long northern and eastern runs
Madanapalle (Andhra Pradesh)	Chennai, Bengaluru, Hyderabad, eastern and northern markets	Overnight to three days or more	Summer heat makes timing of loading critical
Nashik / Pimpalgaon (Maharashtra)	Mumbai, Gujarat, Delhi NCR, central India	Overnight to two days or more	Monsoon season adds risk of wet fruit and decay

Transit times vary with route, vehicle, checkpoints and season, and should be confirmed for each load. Buyers sourcing from the southern belts can see regional coverage on our Bengaluru wholesale produce hub.

Setting claims tolerances

A claim works only when both parties agree in advance how loss will be measured. As a minimum, specify:

1. weighbridge or platform-scale weights at loading and arrival, with net weights per crate or carton sampled;
2. maturity stage and grade at dispatch, with time-stamped photos;
3. a temperature logger in reefer loads, and departure and arrival times for all loads;
4. a weight-loss tolerance and a separate defect tolerance (crushed, cracked, decayed, over-ripe), each as a percentage;
5. the inspection window after arrival within which a claim must be raised.

Our internal target for transit loss is below 1.8%. This is a desk target for well-run loads, not a guarantee that applies in every season or on every route. Defect tolerances depend on the grade, the route and the buyer’s market. More detail on our wider vegetable offer is on our wholesale vegetables page.

Working with our desk

We agree maturity stage, packing and loss measurement before a truck leaves, and share loading weights and photos with every dispatch. To quote by route and pack, use our RFQ page or WhatsApp us at +91-9015316162.

Frequently asked questions