Pea milk (also known as pea protein beverage) is a type of plant milk. It is made using pea protein extracted from yellow peas,[1] usually in combination with water, sunflower oil, micronutrients added for food fortification, thickeners, and phosphates. Commercial pea milk typically comes in sweetened, unsweetened, vanilla and chocolate flavors.[2] It is marketed as a more environmentally-friendly alternative to almond milk and a non-GMO alternative to soy milk.[3] It is a suitable product for people with soy allergies.[4]
Like other plant milks, pea milk is perceived to be environmentally sustainable and requires less water than the production of dairy milk.[5] There is currently limited information on the total carbon emissions and water consumption of producing ready-to-drink pea milk.[6] Plain pea milk is described to have an off-white colour,[7] a creamy texture,[5] and a thick consistency.[8] Unsweetened pea milk in particular is noted for having a savoury, "pea-like" flavour.[8][9]
History
Pea milk was introduced in the UK retail market by the brand Mighty Society,[5] and in Australia by the Freedom Foods Group.[10] It was introduced in the US Whole Foods Markets in 2015 by Ripple.[1] By 2018, pea milk was available in more than 10,000 stores in the US.[11] Major consumer product company Nestlé released its own version of the drink, called Wunda, in 2021.[12]
Production
Plant milk is made through crushing the plant source and extracting the liquid.[13] Pea milk in Australia is made through a process of soaking yellow split peas and blending with water.[7]
Pea milks are fortified, which may include addition of various micronutrients, such as vitamin D2 and vitamin B12 to the milk during manufacturing.[5]
As per research, plant-based milk alternatives' taste can be improved by fermentation[13] and can increase the levels of Vitamin Bs and protein.[13]
Composition and nutritional values
Using RDI (Reference Daily Intake) as a measurement, commercially available pea milk in the US contains 13% of potassium, 10% of vitamin A, 30% of vitamin D, 15% of iron, along with 4.5 grams of fat (from sunflower or other seed oils used in manufacturing), and provides 290 kilojoules (70 kilocalories) per 240 millilitres (8USfloz) (unsweetened, original flavour).[citation needed]
According to food fortification used during manufacturing, pea milk may contain various added micronutrients, such as vitamin B3, B6, B12, calcium, and protein.[13] Some types of pea milk contain algal oil, which contains omega-3 fatty acids.[11]
Other potential uses
Milk with pea proteins can be included in infant formula.[14] Pea protein powders have been developed and are being sold to meet the demand for high-protein diets.
Yellow split pea used to produce pea milk
Environmental impact
Further information: Environmental sustainability
As an alternative to milk, pea milk has growing market interest due to the perceived benefits that it is ecologically sustainable.[1] It requires 100 times less water to produce than almond milk, and 25 times less water than dairy milk.[5] Another source has stated that pea crops require six times less water than almond crops.[11] The growing of pea crops also results in nitrogen levels in the soil and does not require extensive irrigation.[11] Overall, the production of peas does not require the same level of water, nitrogen fertilisers and emissions of greenhouse gases as producing dairy milk.[15]
Kent, Robert M.; Doherty, Sinéad B. (October 2014). "Probiotic bacteria in infant formula and follow-up formula: Microencapsulation using milk and pea proteins to improve microbiological quality". Food Research International. 64: 567–576. doi:10.1016/j.foodres.2014.07.029. ISSN0963-9969. PMID30011690.
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