Two items to share related to millets processing:

1. Jayasree Joshi, Sivaranjani Shanmuga Kumar, Rahul Kumar Rout, and
Pavuluri Srinivasa Rao, 2025, "*Millet processing: prospects for
climate-smart agriculture and transition from food security to nutritional
security*," Journal of Future Foods, 5(5): 470-479.
https://doi.org/10.1016/j.jfutfo.2024.08.004
(https://www.sciencedirect.com/science/article/pii/S2772566924000582)
Abstract: Millets, which are small-seeded grains, are classified under the
Poaceae family and are known for their high nutritive content. Millets are
a viable option for the global population in light of growing concerns
about climate change due to their exceptional tolerance to a variety of
abiotic stresses, such as drought, salinity, light, and heat. They have
short growing periods and can be sustained in adverse weather conditions
with less irrigation requirements. They encompass morpho-physiological,
molecular, and biochemical characteristics that confer superior resilience
to environmental stress. The millet grains have the potential to contribute
to health and nutrition, rural employment, household incomes, rural and
national economies, and sustainable environmental management. They are a
rich source of both macro and micro nutrients. They contain a significant
amount of bioactive substances, along with minerals such as iron, calcium,
phosphorus, and zinc. Millets need to be processed for consumption and
preparation to improve its nutritional and sensory properties. The major
challenge in millet processing is due to the lack of proper processing
machineries, presence of antinutritional factors and the poor shelf life of
the flour due to high lipase activity. This limitation can be mitigated by
using the appropriate processing methods. This article gives an insight
into millet processing and value addition and its role in ensuring
nutritional security through climate-smart agriculture.
Keywords: Millets; Climate resilient crops; Smart agriculture; Food
security; Value addition

(Thanks to Hikmet Boyacioglu for posting this on LinkedIn. NB- The year in
the citation is indeed 2025. One surprise for me was the discussion of
electrical pulses as part of processing.)


2. Shobana, S., Mohanraj, K., Malleshi, N.G. et al. "Impact of debranning
on the nutritional, cooking, microstructural characteristics of five Indian
small millets." Discover Food 4, 136 (2024).
https://doi.org/10.1007/s44187-024-00209-1
Abstract:
Background: Millets are underutilized grains rich in nutrients. This study
aimed to investigate the impact of debranning on the nutritional, cooking,
and microstructural properties of five Indian millets namely foxtail,
little, kodo, barnyard, and proso millet.

Methods: The proximate composition, mineral content, cooking properties
(cooking time, solid loss, water uptake, alkali score), Fourier Transform
Infra Red (FTIR) spectra, X ray Diffraction (XRD) and microstructural
characteristics (Scanning Electron Microscopy) of dehusked and debranned
millet samples were examined and analysed.

Results: Debranning resulted in decrease in protein (except for little and
barnyard millets), dietary fibre, fat, mineral and phytate content in all
the millets while enhanced available carbohydrates and amylose content. The
cooking times for dehusked millets were significantly higher while the
solid loss and water uptake during cooking of debranned millets were
higher. On debranning, Fourier Transform Infra Red (FTIR) spectra showed
changes in the pattern with increase in the intensity of amide II (1363 to
1367 cm−1) and amide III (1215 to 1231 cm−1) bands in the debranned
foxtail, little, and kodo millets. The X-ray diffractogram (XRD) showed
decrease in relative crystallinity on debranning. Scanning Electron
Microscopic (SEM) examination revealed that debranning resulted in the loss
of seed coat, aleurone layer and partial loss of germ in the millets.

Conclusion: Dehusked millets are nutritious and should be promoted in
Indian diets to improve diet quality, debranned millets are nutritionally
inferior, can increase the glycemic load of Indian diets.

(This is a topic I've personally wondered about. In some approaches to
processing are we losing some of the benefits of millets that we are
touting?)


Don Osborn, PhD
(East Lansing, MI, US)
North American Millets Alliance

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