Barely Significant

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Effects of Different Ultrasonic Times on the Carbohydrate and Polyphenol Contents in Artichoke Bud The carbohydrate and polyphenol contents showed first an increasing trend and then a decreasing trend with the increase in ultrasonic time and reached their highest levels after 40 min ( Figure S1D ).
For instance, it is nowadays well established that the vibrational contributions to frequency-independent (static) hyperpolarizabilities can be as large as or even larger than their electronic counterparts [ 8 , 9 ], and the anharmonic effects might be significant even for weakly anharmonic systems [ 10 ], especially if the static or low-frequency dependent (e.g., in the IR region) electric fields are present in the NLO process of interest [ 8 , 11 ].