To store seeds of pearl millet (Pennisetum typhoideum) for longer period, the ears of gumma (Leucas cephalotes) and chilli are mixed with the grains. Practice is widely used in the area and it is in use for last 40 year. No change has been reported as on today in this practice.
Formulation: (Leucas cephalotes) and chilli
Ingredients: Ears of gumma (Leucas cephalotes), Chilli (capsicum annuum)
"This plant has a great importance for the Ayurvedic and Modern systems of formulations in which some have been patented for their better acceptability and therapeutic profile. Present study of the Phytochemical & pharmacognostical investigation may serve as new standards to the region specific sample of the plant and key structure for validation of crude plant material and regarding to its future work on Standardization. The positive Antimicrobial activity shows that whole herb extract can be useful for the formulation development against the specific microbial infections." [Katara, Antariksh & Kumar, Pradhan & Kumar, Tyagi & Singh, Pradeep. (2010). Phytochemical Investigation and Antimicrobial Activity of Leucas cephalotes Roth. Spreng Whole Herb. Der Pharmacia letters. 2. 284-296. ]
https://www.researchgate.net/publication/216410115_Phytochemical_Investigation_and_Antimicrobial_Activity_of_Leucas_cephalotes_Roth_Spreng_Whole_Herb
Influence of the Use of Capsaicin on the Storage of Rice Grain [Voahanginirina, Rasoazanakolona. (2018). Influence of the Use of Capsaicin on the Storage of Rice Grain. OALib. 05. 1-13. 10.4236/
oalib.1104833.https://www.researchgate.net/publication/327648960_Influence_of_the_Use_of_Capsaicin_on_the_Storage_of_Rice_Grain