Phaseolus vulgaris L.
Bean (common bean; Phaseolus vulgaris L., family Fabaceae)
Description
Edible-seed legume grown in many varieties (borlotti, cannellini, black turtle, red kidney, pinto, navy/haricot, etc.).
Sensory: creamy flesh with skins ranging from thin to firm by cultivar; sweet–earthy flavor with occasional nutty notes.
Formats: dry, canned (retorted), or ready-cooked chilled.
Common name: Bean
Source plant: Phaseolus vulgaris L.
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Order: Fabales
Family: Fabaceae
Genus: Phaseolus
Species: Phaseolus vulgaris L.
Note: The common bean is one of the most widely cultivated grain legumes in the world, with numerous varieties and cultivars: white, black, red, borlotti, cannellini, pinto, etc. Pods and seeds vary greatly in colour, shape, size and sensory characteristics.
Cultivation and growing conditions of common bean (Phaseolus vulgaris)
Climate:
Prefers warm, temperate climates.
Sensitive to cold: late frosts and low temperatures at germination can severely affect development.
Typically grown as a spring–summer crop in temperate areas.
Exposure:
Requires full sun for vigorous growth, uniform flowering and good pod set.
Soil:
Thrives in medium-textured, deep, well-drained soils with good organic matter.
Ideal pH is slightly acidic to neutral (6–7).
Does not tolerate waterlogging, which favours root rot and fungal diseases.
Watering:
Needs regular water supply at critical stages: emergence, flowering and seed filling.
Avoid strong alternation between drought and heavy irrigation, which can cause pod splitting and reduce yield.
Temperature:
Optimal germination when soil temperature is around 15–20 °C.
Optimal growth between about 18 and 28 °C.
Excessive heat combined with drought can reduce pod set.
Fertilization:
As a legume, it fixes atmospheric nitrogen via root rhizobia and therefore does not require high mineral nitrogen inputs.
Phosphorus and potassium are more important to support flowering and seed development.
An initial application of compost or well-rotted manure is beneficial.
Crop management:
Early weed control is important while seedlings are still small and not very competitive.
Mulching helps maintain soil moisture and limit weed competition.
Climbing types require supports (nets, canes, wires); dwarf types do not.
Crop rotation:
Fits very well into rotations with cereals and other non-legume crops.
Contributes to soil fertility through nitrogen fixation and crop residues.
Propagation:
By seed, with direct sowing in the field after frost risk has passed and the soil is sufficiently warm.
Caloric value (per 100 g)
Dry: ~330–350 kcal; carbohydrate ~58–63 g, protein ~21–24 g, fat ~1–2 g, fiber ~15–16 g.
Boiled, unsalted: ~110–140 kcal; carbohydrate ~18–25 g, protein ~7–10 g, fat ~0.3–0.8 g, fiber ~5–9 g.
Sodium naturally low; may increase in brined products (rinsing recommended).
Key constituents
Proteins with a good legume amino-acid profile (rich in lysine, limited in methionine/cysteine).
Starch (varietal amylose/amylopectin), soluble/insoluble fiber, and resistant starch (RS) (↑ after cooling).
Polyphenols (notably in colored seed coats: anthocyanins, proanthocyanidins, flavonols).
Minerals (Fe, Mg, K), folate, and B vitamins.
Anti-nutritional factors lowered by processing: phytates, trypsin inhibitors, lectins (PHA), α-galactosides (raffinose/stachyose).
Technical markers: hydration capacity (mL/g), cooking time, color L*a*b*, uniformity/defects.
Production process
Dry commodity: cleaning, optical sorting, grading, destoning/metal removal, barrier packaging.
Canned/ready-cooked: soaking (sometimes light brine), blanching, filling with cover liquid, retort sterilization, cooling, inspections (drained weight, vacuum, seam integrity).
Variants: sprouting, fermentation, or pressure cooking to improve digestibility and reduce anti-nutrients.
Sensory and technological properties
Soak 6–12 h (or hot-soak) to shorten cooking; acids and hard water (Ca²⁺/Mg²⁺) slow softening.
Small baking soda or brining additions can cut time; excess can fragilize skins and affect flavor.
Hard-to-cook issue (aged/warm-stored lots) is mitigated by pressure cooking.
Food uses
Soups/stews (minestras, feijoada, chili), salads, rice & beans, purees/spreads, stuffings, plant-based burgers.
Aquafaba (cook liquor) can serve as a vegan emulsifier/foamer.
Nutrition and health
Source of plant protein, fiber, and folate; GI typically low–medium, further reduced by cooling (↑ RS) and pairing with fat/protein.
Other components: Salicylic acid (1), iron and zinc (2), The flavonol glycosides phenolic compounds found in common beans possess antimicrobial, anti-inflammatory and ultraviolet radiation (UVR) protective properties (3),
Lectins/inhibitors: thorough boiling/retort inactivates them—avoid raw or undercooked beans.
Phytates may reduce Fe/Zn/Ca bioavailability; soaking, sprouting, and fermentation lower them.
α-galactosides may cause gas; mitigate via soak & refresh water, α-galactosidase enzymes, or pressure cook.
Lipid profile
Very low total fat; typical pattern PUFA (linoleic) ≥ MUFA (oleic) > SFA.
Health note: emphasizing MUFA/PUFA over SFA is generally favorable/neutral for blood lipids; impact here is limited due to low fat content.
TFA industrial absent; MCT not characteristic.
Quality and specifications (typical topics)
Moisture (dry beans) ≤14–16%; size grade and uniformity; defects (breaks, spots, damage) within limits.
Water absorption (mL/g), standard cooking time, texture (shear/rupture force), color and color loss on cooking.
Freedom from pests (bruchids), foreign matter, stones/metals; pesticides/metals compliant; mycotoxins typically non-critical but monitored.
For canned: drained weight, declared salt, pH, commercial sterility, vacuum and container integrity.
Storage and shelf-life
Dry: store cool/dry/dark; avoid high temperatures to reduce hard-to-cook. Shelf-life ~12–24 months; apply FIFO.
Canned/ready-cooked: 24–36 months unopened; once opened, refrigerate and use within 3–4 days.
Allergens and safety
Legumes are not major EU allergens, but allergies/cross-reactivity exist (e.g., peanut/soy).
Manage CCP for foreign bodies, commercial sterility (canned), and hygiene; label salt and any added allergens (e.g., flavorings).
INCI functions in cosmetics
Listings: Phaseolus Vulgaris Extract / Seed Extract (limited use).
Potential roles: mild skin conditioning/antioxidant; verify safety and formula stability.
Troubleshooting
Endless cooking/hard cores: longer soak, soft water, light brine or pressure cook; avoid early acids.
Burst skins: excess agitation or too little sodium during soak → gentle brining and gentler cooking.
Flat flavor: finish with acid (vinegar/lime) and umami (onion, bay, kombu); salt toward the end.
Gas/bloating: soak + change water, rinse canned beans, use α-galactosidase, cool after cooking to raise RS.
Sustainability and supply chain
Nitrogen-fixing crop lowers N fertilizer needs; smaller footprint than animal proteins.
Processing: reuse aquafaba; treat effluents to BOD/COD targets; recyclable packaging; full traceability under GMP/HACCP.
Conclusion
Common beans combine protein, fiber, and polyphenols with broad culinary versatility. Fresh raw material, proper soaking/cooking, and tight quality control yield tender, safe, and flavorful products.
Mini-glossary
RS — Resistant starch: starch fraction not digested; increases after cooling, can temper glycemic response.
GI — Glycemic index: post-meal glucose response; low–medium for beans, shaped by recipe and cooling.
SFA — Saturated fatty acids: excess may raise LDL; low in beans.
MUFA — Monounsaturated fatty acids (e.g., oleic): generally favorable/neutral for blood lipids; low in beans.
PUFA — Polyunsaturated fatty acids (n-6/n-3): beneficial when balanced; low in beans.
TFA — Trans fatty acids: avoid industrial TFA; absent in non-hydrogenated legumes.
ALA — Alpha-linolenic acid (n-3): present only in traces in legumes; limited impact overall.
EPA/DHA — Long-chain n-3 fatty acids typical of fish; absent in legumes.
MCT — Medium-chain triglycerides: not characteristic of legumes.
GMP/HACCP — Good Manufacturing Practice / Hazard Analysis and Critical Control Points: hygiene and preventive-safety systems with defined CCP.
CCP — Critical control point: step where a control prevents/reduces a hazard.
BOD/COD — Biochemical/Chemical oxygen demand: wastewater-impact indicators.
FIFO — First in, first out: stock rotation using older lots first.
